Clobazam and Mirtazapine interaction
Clobazam and Mirtazapine: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Mirtazapine (REMERONSOLTAB) label · effective 2025-08-06
The concomitant use of benzodiazepines and alcohol with REMERON/REMERONSolTab should be avoided [see Drug Interactions (7) ] .
Intervention Avoid concomitant use of benzodiazepines and alcohol with REMERON/REMERONSolTab [see Warnings and Precautions (5.8) , Clinical Pharmacology (12.3) ] .
John's Wort, tramadol, tryptophan, buspirone Strong CYP3A Inducers Clinical Impact The concomitant use of strong CYP3A inducers with REMERON/REMERONSolTab decreases the plasma concentration of mirtazapine [see Clinical Pharmacology (12.3) ] .
Intervention Increase the dose of REMERON/REMERONSolTab if needed with concomitant CYP3A inducer use.
Conversely, a decrease in dosage of REMERON/REMERONSolTab may be needed if the CYP3A inducer is discontinued [see Dosage and Administration (2.5) ].
From the Clobazam (SYMPAZAN) label · effective 2025-12-01
Risk may be increased with concomitant use of other CNS depressants ( 5.4 , 5.5 )
Prescribers should monitor patients for somnolence and sedation, particularly with concomitant use of other central nervous system depressants.
Therefore, caution patients or their caregivers against simultaneous use with other CNS depressant drugs or alcohol, and caution that the effects of other CNS depressant drugs or alcohol may be potentiated [see Warnings and Precautions (5.4) ].
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.