Dihydroergotamine : interactions médicamenteuses

Ergotamine-Containing and Ergot-Type Medications Do not use almotriptan tablets and ergotamine-containing or ergot-derived medications like dihydroergotamine, ergotamine tartrate, or methysergide within 24 hours of each other [see Drug Interactions ( 7.1 )] . (notice Almotriptan, Contre-indications)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome: Increased risk when co-administered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (notice Amphétamine, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when coadministered with serotonergic agents (e.g., selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), triptans), but also during overdosage situations. (notice Amphétamine et dexamfétamine, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Belladone et opium, Interactions médicamenteuses)

Ergot derivatives: dihydroergotamine ergotamine methylergonovine ↑ dihydroergotamine ↑ ergotamine ↑ methylergonovine Concomitant administration with dihydroergotamine, ergotamine or methylergonovine is not recommended. (notice Bictégravir, emtricitabine et ténofovir alafénamide, Interactions médicamenteuses)

Clinically significant drug interactions with PROVAYBLUE are described below: The concomitant use of PROVAYBLUE with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome. (notice Bleu de méthylène, Interactions médicamenteuses)

Avoid use of MARCAINE WITH EPINEPHRINE concomitantly with ergot-type oxytocic drugs [see Drug Interactions (7.3)]. (notice Bupivacaïne, Mises en garde et précautions)

Avoid use of MARCAINE WITH EPINEPHRINE concomitantly with ergot-type oxytocic drugs [see Drug Interactions (7.3) ] . (notice Bupivacaïne et adrénaline, Mises en garde et précautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Buprénorphine, Interactions médicamenteuses)

Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Buprénorphine et naloxone, Interactions médicamenteuses)

Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with SNRIs SSRIs, and other serotonergic drugs, including buspirone, alone but particularly with concomitant use of other serotonergic drugs (including triptans), with drugs that impair metabolism of serotonin (in particular, MAOIs, including reversible MAOIs… (notice Buspirone, Mises en garde)

Intervention: Avoid concomitant use Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Butalbital, aspirine, caféine et codéine, Interactions médicamenteuses)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Butalbital, paracétamol, caféine et codéine, Interactions médicamenteuses)

…medical attention if they ‎experience symptoms of hyperalgesia, including worsening pain, increased ‎sensitivity to pain, or new pain [see WARNINGS ; ADVERSE REACTIONS ].‎ Serotonin Syndrome Inform patients that butorphanol tartrate could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Butorphanol, Précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Vasopressors should not be used in the presence of ergot-type oxytocic drugs, since a severe persistent hypertension may occur. (notice Chloroprocaïne, Mises en garde)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Citalopram, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Codéine, Interactions médicamenteuses)

If serotonin syndrome symptoms occur with the use of other serotonergic drugs, immediately discontinue TONMYA. (notice Cyclobenzaprine, Interactions médicamenteuses)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Desvenlafaxine, Mises en garde et précautions)

Serotonin Syndrome Serotonin syndrome, a potentially life-threatening reaction, may occur when amphetamines are used in combination with other drugs that affect the serotonergic neurotransmitter systems such as monoamine oxidase inhibitors (MAOIs), selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), triptans,… (notice Dexamfétamine, Mises en garde)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents but also when taken alone. (notice Duloxétine, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Recent use (i.e., within 24 hours) of another 5-hydroxytryptamine 1 (5-HT 1 ) agonist, ergotamine-containing medication, or ergot-type medication such as dihydroergotamine (DHE) or methysergide [see Drug Interactions (7.1) ] . (notice Élétriptan, Contre-indications)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Dihydroergotamine Mesylate Injection, USP, 5-HT 1 agonists (e.g., sumatriptan), ergotamine-containing or ergot-type medications or methysergide should not be used within 24 hours of each other. (notice Dihydroergotamine, Contre-indications)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents but also when taken alone. (notice Escitalopram, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (notice Fentanyl, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

If concomitant use of PROZAC with other serotonergic drugs is clinically warranted, patients should be made aware of a potential increased risk for serotonin syndrome, particularly during treatment initiation and dose increases ( 5.2 ) (notice Fluoxétine, Mises en garde et précautions)

If concomitant use of Fluvoxamine Maleate Tablets with other serotonergic drugs is clinically warranted, patients should be made aware of a potential increased risk for serotonin syndrome, particularly during treatment initiation and dose increases. (notice Fluvoxamine, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Recent use (i.e., within 24 hours) of another 5-HT 1 agonist, an ergotamine containing or ergot-type medication such as dihydroergotamine (DHE) or methysergide [see Drug Interactions (7.1 , 7.2) ]. (notice Frovatriptan, Contre-indications)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of granisetron and other serotonergic drugs. (notice Granisétron, Mises en garde et précautions)

Example: lactulose Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Hydrocodone, Interactions médicamenteuses)

Serotonergic drugs : Concomitant use may result in serotonin syndrome. (notice Hydrocodone et chlorphénamine, Interactions médicamenteuses)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Hydrocodone et homatropine, Interactions médicamenteuses)

S er otonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Hydrocodone et ibuprofène, Précautions)

Serotonin Syndrome Inform patients that hydrocodone bitartrate and acetaminophen tablets could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Hydrocodone et paracétamol, Précautions)

• Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Hydromorphone, Interactions médicamenteuses)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Lévomilnacipran, Mises en garde et précautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Lévorphanol, Précautions)

Avoid use of FLAVALTA concomitantly with ergot-type oxytocic drugs [see Drug Interactions (7.3) ]. (notice Lidocaïne et adrénaline, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when co-administered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (notice Lisdexamfétamine, Mises en garde et précautions)

If concomitant use of lithium with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms. (notice Lithium, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Mepivacaine with epinephrine or other vasopressors should not be used concomitantly with ergot-type oxytocic drugs, because a severe persistent hypertension may occur. (notice Mépivacaïne, Mises en garde)

Serotonin syndrome has resulted from concomitant use of metaxalone (within the recommended dosage range) and other serotonergic drugs [see Warnings and Precautions (5.1) ]. (notice Métaxalone, Interactions médicamenteuses)

Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (notice Méthadone, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when coadministered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (notice Méthamphétamine, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

L'association du millepertuis avec des antidépresseurs et d'autres médicaments sérotoninergiques augmente le risque de syndrome sérotoninergique. (NCCIH, St. John's Wort)

• Serotonin Syndrome : Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Milnacipran, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome : Increased risk when co-administered with other serotonergic drugs (e.g., SSRI, SNRI, triptans), but also when taken alone. (notice Mirtazapine, Mises en garde et précautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Morphine, Interactions médicamenteuses)

…Uncontrolled hypertension [see Warnings and Precautions (5.8)] Recent use (i.e., within 24 hours) of another 5-HT 1 agonist, ergotamine-containing medication, ergot-type medication (such as dihydroergotamine or methysergide) [see Drug Interactions (7.1, 7.2)] Hypersensitivity to naratriptan tablets (angioedema and anaphylaxis seen) [see Warnings and Precautions (5.9)]… (notice Naratriptan, Contre-indications)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

If concomitant use of olanzapine and fluoxetine capsules with other serotonergic drugs is clinically warranted, patients should be made aware of a potential increased risk for serotonin syndrome, particularly during treatment initiation and dose increases ( 5.6 ) (notice Olanzapine et fluoxétine, Mises en garde et précautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Olicéridine, Interactions médicamenteuses)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonergic Drug s: Concomitant use may result in serotonin syndrome. (notice Oxycodone, Interactions médicamenteuses)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Oxymorphone, Interactions médicamenteuses)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of POSFREA and other serotonergic drugs. (notice Palonosétron, Mises en garde et précautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Paracétamol et codéine, Précautions)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Paroxétine, Mises en garde et précautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Pentazocine et naloxone, Précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Prométhazine et codéine, Interactions médicamenteuses)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (notice Rémifentanil, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Recent use (i.e., within 24 hours) of another 5-HT 1 agonist, ergotamine-containing medication, or ergot-type medication (such as dihydroergotamine or methysergide) [see Drug Interactions (7.2 and 7.3) ] . (notice Rizatriptan, Contre-indications)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Sertraline, Mises en garde et précautions)

Dihydroergotamine Mesylate Injection, USP, 5-HT 1 agonists (e.g., sumatriptan), ergotamine-containing or ergot-type medications or methysergide should not be used within 24 hours of each other. (notice Dihydroergotamine, Contre-indications)

Dihydroergotamine Mesylate Injection, USP, 5-HT 1 agonists (e.g., sumatriptan), ergotamine-containing or ergot-type medications or methysergide should not be used within 24 hours of each other. (notice Dihydroergotamine, Contre-indications)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with MAOIs when used concomitantly with other serotonergic drugs. (notice Tranylcypromine, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents (e.g., SSRI, SNRI, triptans), but also when taken alone. (notice Trazodone, Mises en garde et précautions)

Therefore, patients receiving sublingual nitroglycerin should avoid ergotamine and related drugs or be monitored for symptoms of ergotism if this is not possible. (notice Trinitrine, Interactions médicamenteuses)

If concomitant use of Venlafaxine Extended Release Tablets with other serotonergic drugs is clinically warranted, patients should be made aware of a potential increased risk for serotonin syndrome, particularly during treatment initiation and dose increases. (notice Venlafaxine, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

Serotonin Syndrome: Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Vilazodone, Mises en garde et précautions)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (notice Dihydroergotamine, Mise en garde encadrée)

• Serotonin Syndrome : Increased risk when coadministered with other serotonergic agents, but also when taken alone. (notice Vortioxétine, Mises en garde et précautions)

• Serotonin Syndrome : Increased risk when co-administered with other serotonergic agents, but also when taken alone. (notice Ziprasidone, Mises en garde et précautions)

…hypertension [see Warnings and Precautions ( 5.8 ) ] Recent use (i.e., within 24 hours) of another 5-HT 1 agonist, ergotamine-containing medication, or ergot-type medication (such as dihydroergotamine or methysergide) [see Drug Interactions ( 7.1 , 7.3 ) ] Concurrent administration of a monoamine oxidase (MAO)-A inhibitor or recent use of a MAO-A inhibitor (that… (notice Zolmitriptan, Contre-indications)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Rarely, prolonged daily use of other ergot alkaloid drugs has been associated with cardiac valvular fibrosis. (notice Dihydroergotamine, Mises en garde)

Rarely, prolonged daily use of other ergot alkaloid drugs has been associated with cardiac valvular fibrosis. (notice Dihydroergotamine, Mises en garde)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

…when deferasirox is administered with drugs metabolized by CYP3A4 (e.g., alfentanil, aprepitant, budesonide, buspirone, conivaptan, cyclosporine, darifenacin, darunavir, dasatinib, dihydroergotamine, dronedarone, eletriptan, eplerenone, ergotamine, everolimus, felodipine, fentanyl, hormonal contraceptive agents, indinavir, fluticasone, lopinavir, lovastatin, lurasidone,… (notice Déférasirox, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Concurrent administration of vasopressor drugs (for the treatment of hypotension related to obstetric blocks) and ergot-type oxytocic drugs may cause severe, persistent hypertension or cerebrovascular accidents. (notice Lidocaïne, Interactions médicamenteuses)

Rarely, prolonged daily use of other ergot alkaloid drugs has been associated with cardiac valvular fibrosis. (notice Dihydroergotamine, Mises en garde)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

The risk of hypertension increases with concomitant administration of drugs that increase blood pressure (phenylephrine, pseudoephedrine, ephedrine, dihydroergotamine, thyroid hormones, or droxidopa). (notice Midodrine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Serotonergic Drugs The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system, such as selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system… (notice Nalbuphine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Ergot Alkaloids: Ergotamine Plasma concentrations may be decreased. (notice Névirapine, Interactions médicamenteuses)

Agonistic Effects (increase in BIORPHEN blood pressure effect) can occur with monoamine oxidase inhibitors (MAOI), oxytocin and oxytocic drugs, tricyclic antidepressants, angiotensin and aldosterone, atropine, steroids, norepinephrine transporter inhibitors, ergot alkaloids. (notice Phényléphrine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

CYP3A4 Substrates Refer to the Prescribing Information for a CYP3A substrate where minimal concentration changes may lead to serious adverse reactions (e.g. rivaroxaban, calcineurin inhibitors, ergot derivatives, tyrosine kinase inhibitors) for the recommended dosage modification and/or monitoring. (notice Primaquine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

Beta Blockers Although the results of a clinical study did not indicate a safety problem associated with the administration of Dihydroergotamine Mesylate Injection, USP to subjects already receiving propranolol, there have been reports that propranolol may potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine. (notice Dihydroergotamine, Interactions médicamenteuses)

…and other sedatives/hypnotics, anxiolytics, tranquilizers, muscle relaxants, general anesthetics, antipsychotics, gabapentinoids (gabapentin or pregabalin), other opioids, alcohol Serotonergic Drugs Clinical Impact: The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome [see Warnings… (notice Tramadol, Interactions médicamenteuses)

Fibrotic Complications Cases of retroperitoneal fibrosis, pulmonary infiltrates, pleural effusion, and pleural thickening have been reported in some patients treated with ergot derived dopaminergic agents. (notice Carbidopa, lévodopa et entacapone, Mises en garde et précautions)

Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with SNRIs and SSRIs, including clomipramine hydrochloride capsules, alone but particularly with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, buspirone, and St. (notice Clomipramine, Mises en garde)

Less potent inhibitors include saquinavir, nefazodone, fluconazole, grapefruit juice, fluoxetine, fluvoxamine, zileuton, and clotrimazole. (notice Dihydroergotamine, Mises en garde)

…Syndrome: The development of a potentially life-threatening serotonin syndrome has been reported with serotonin norepinephrine re-uptake inhibitors (SNRIs) and SSRIs, including NORPRAMIN, alone but particularly with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, buspirone, and St. (notice Désipramine, Mises en garde)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Examples of some of the more potent CYP3A4 inhibitors include: antifungals ketoconazole and itraconazole, the protease inhibitors ritonavir, nelfinavir, and indinavir, and macrolide antibiotics erythromycin, clarithromycin, and troleandomycin. (notice Dihydroergotamine, Mises en garde)

Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamines, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (i.e., medication overuse headache). (notice Dihydroergotamine, Mises en garde)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Examples of some of the more potent CYP3A4 inhibitors include: antifungals ketoconazole and itraconazole, the protease inhibitors ritonavir, nelfinavir, and indinavir, and macrolide antibiotics erythromycin, clarithromycin, and troleandomycin. (notice Dihydroergotamine, Mises en garde)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with SNRIs and SSRIs, including Pamelor, alone but particularly with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, buspirone, and St. (notice Nortriptyline, Mises en garde)

Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamines, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (i.e., medication overuse headache). (notice Dihydroergotamine, Mises en garde)

Less potent inhibitors include saquinavir, nefazodone, fluconazole, grapefruit juice, fluoxetine, fluvoxamine, zileuton, and clotrimazole. (notice Dihydroergotamine, Mises en garde)

Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamines, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (i.e., medication overuse headache). (notice Dihydroergotamine, Mises en garde)

The safety and efficacy of combination therapy with phentermine and any other drug products for weight loss including prescribed drugs, over-the-counter preparations, and herbal products, or serotonergic agents such as selective serotonin reuptake inhibitors (e.g., fluoxetine, sertraline, fluvoxamine, paroxetine), have not been established. (notice Phentermine, Mises en garde et précautions)

Fibrotic Complications Cases of retroperitoneal fibrosis, pulmonary infiltrates, pleural effusion, pleural thickening, pericarditis, and cardiac valvulopathy have been reported in patients treated with ergot-derived dopaminergic agents. (notice Pramipexole, Mises en garde et précautions)

Oral Contraceptives The effect of oral contraceptives on the pharmacokinetics of Dihydroergotamine Mesylate Injection, USP has not been studied. (notice Dihydroergotamine, Interactions médicamenteuses)

Fibrotic Complications Cases of retroperitoneal fibrosis, pulmonary infiltrates, pleural effusion, pleural thickening, pericarditis, and cardiac valvulopathy have been reported in some patients treated with ergot-derived dopaminergic agents. (notice Ropinirole, Mises en garde et précautions)

Nicotine Nicotine may provoke vasoconstriction in some patients, predisposing to a greater ischemic response to ergot therapy. (notice Dihydroergotamine, Interactions médicamenteuses)

Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamines, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (i.e., medication overuse headache). (notice Dihydroergotamine, Mises en garde)

Medication Overuse Headache Overuse of acute migraine drugs (e.g., ergotamines, triptans, opioids, or a combination of these drugs for 10 or more days per month) may lead to exacerbation of headache (i.e., medication overuse headache). (notice Dihydroergotamine, Mises en garde)

Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with SNRIs and SSRIs, including trimipramine capsules, alone, but particularly with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, buspirone, and St. (notice Trimipramine, Mises en garde)

Less potent inhibitors include saquinavir, nefazodone, fluconazole, grapefruit juice, fluoxetine, fluvoxamine, zileuton, and clotrimazole. (notice Dihydroergotamine, Mises en garde)