Alendronate interactions

Alendronate (Fosamax, Binosto), a bisphosphonate has 51 documented interactions across the FDA labels and fact sheets we index: 0 major, 40 moderate, 11 minor, and 0 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Moderate interactions (40)

  • AspirinNSAIDModerate

    Aspirin In clinical studies, the incidence of upper gastrointestinal adverse events was increased in patients receiving concomitant therapy with daily doses of alendronate sodium greater than 10 mg and aspirin-containing products. (Alendronate label, Drug interactions)

  • Aspirin and dipyridamoleantiplatelet agentModerate

    Aspirin In clinical studies, the incidence of upper gastrointestinal adverse events was increased in patients receiving concomitant therapy with daily doses of alendronate sodium greater than 10 mg and aspirin-containing products. (Alendronate label, Drug interactions)

  • BeclomethasonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • BetamethasonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • BudesonidecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • Budesonide and formoterolcorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • CalciumVitamin and mineralModerate

    Calcium binds these drugs in the gut and can sharply cut how much is absorbed; separate the doses. (NIH Office of Dietary Supplements, Calcium)

  • CapecitabineantimetaboliteModerate

    Closely monitor for signs of renal toxicity when XELODA is used concomitantly with nephrotoxic drugs (e.g. platinum salts, irinotecan, methotrexate, intravenous bisphosphonates). (Capecitabine label, Drug interactions)

  • CelecoxibNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • ClobetasolcorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • Deferasiroxiron supplementModerate

    The risk of GI hemorrhage may be increased when administering Exjade in combination with drugs that have ulcerogenic or hemorrhagic potential, such as nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids, oral bisphosphonates, or anticoagulants. (Deferasirox label, Warnings and precautions)

  • DesonidecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • DexamethasonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • DiclofenacNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • EtodolacNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • FludrocortisonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • FluocinonidecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • FluticasonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • Fluticasone and salmeterolcorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • HalobetasolcorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • HydrocortisonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • IbuprofenNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • IndomethacinNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • IronVitamin and mineralModerate

    Iron binds these drugs in the gut and reduces their absorption; separate the doses. (NIH Office of Dietary Supplements, Iron)

  • KetorolacNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • Levothyroxinethyroid hormoneModerate

    Levothyroxine The bioavailability of alendronate was slightly decreased when BINOSTO and levothyroxine were co-administered to healthy subjects [see Clinical Pharmacology (12.3) ] . (Alendronate label, Drug interactions)

  • Liothyroninethyroid hormoneModerate

    Levothyroxine The bioavailability of alendronate was slightly decreased when BINOSTO and levothyroxine were co-administered to healthy subjects [see Clinical Pharmacology (12.3) ] . (Alendronate label, Drug interactions)

  • MagnesiumVitamin and mineralModerate

    Magnesium-containing supplements and antacids reduce absorption of these drugs; separate the doses by at least two hours. (NIH Office of Dietary Supplements, Magnesium)

  • MeloxicamNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • Methimazoleantithyroid drugModerate

    Levothyroxine The bioavailability of alendronate was slightly decreased when BINOSTO and levothyroxine were co-administered to healthy subjects [see Clinical Pharmacology (12.3) ] . (Alendronate label, Drug interactions)

  • MethylprednisolonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • MometasonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • NabumetoneNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • NaproxenNSAIDModerate

    Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • OxybutyninanticholinergicModerate

    Oxybutynin chloride extended-release tablets should be used with caution in patients who have gastroesophageal reflux and/or who are concurrently taking drugs (such as bisphosphonates) that can cause or exacerbate esophagitis. (Oxybutynin label, Warnings and precautions)

  • PrednisolonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • PrednisonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

  • Propylthiouracilantithyroid drugModerate

    Levothyroxine The bioavailability of alendronate was slightly decreased when BINOSTO and levothyroxine were co-administered to healthy subjects [see Clinical Pharmacology (12.3) ] . (Alendronate label, Drug interactions)

  • Use caution when co-prescribing aspirin/nonsteroidal anti- inflammatory drugs that may worsen gastrointestinal irritation. (Alendronate label, Drug interactions)

  • TriamcinolonecorticosteroidModerate

    …osteonecrosis of the jaw include invasive dental procedures (e.g., tooth extraction, dental implants, boney surgery), diagnosis of cancer, concomitant therapies (e.g., chemotherapy, corticosteroids, angiogenesis inhibitors), poor oral hygiene, and co-morbid disorders (e.g., periodontal and/or other pre-existing dental disease, anemia, coagulopathy, infection, ill-fitting… (Alendronate label, Warnings and precautions)

Minor mentions (11)

  • Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Alendronate label, Drug interactions)

  • Calcipotrienevitamin D analogMinor

    Other disorders affecting mineral metabolism (such as vitamin D deficiency) should also be effectively treated. (Alendronate label, Warnings and precautions)

  • Calcitriolvitamin D analogMinor

    Other disorders affecting mineral metabolism (such as vitamin D deficiency) should also be effectively treated. (Alendronate label, Warnings and precautions)

  • Felodipinedihydropyridine calcium channel blockerMinor

    Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Alendronate label, Drug interactions)

  • IbandronatebisphosphonateMinor

    Upper Gastrointestinal Adverse Reactions BINOSTO, like other bisphosphonates administered orally, may cause local irritation of the upper gastrointestinal mucosa. (Alendronate label, Warnings and precautions)

  • Isradipinedihydropyridine calcium channel blockerMinor

    Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Alendronate label, Drug interactions)

  • Nifedipinedihydropyridine calcium channel blockerMinor

    Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Alendronate label, Drug interactions)

  • Nisoldipinedihydropyridine calcium channel blockerMinor

    Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Alendronate label, Drug interactions)

  • RisedronatebisphosphonateMinor

    Upper Gastrointestinal Adverse Reactions BINOSTO, like other bisphosphonates administered orally, may cause local irritation of the upper gastrointestinal mucosa. (Alendronate label, Warnings and precautions)

  • Sodium bicarbonateantacidMinor

    Calcium supplements, antacids or oral medications containing multivalent cations interfere with absorption of alendronate. (Alendronate label, Drug interactions)

  • Vitamin DVitamin and mineralMinor

    Other disorders affecting mineral metabolism (such as vitamin D deficiency) should also be effectively treated. (Alendronate label, Warnings and precautions)

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Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.