Drug interactions for the following drug(s)

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Interactions between your selected drugs

Moderate

Diphenhydramine<>tiotropium

Applies to: Benadryl 2.5 MG/ML Oral Solution <> SPIRIVA 18 MCG Inhalant Powder Capsule

The metabolism of Tiotropium can be decreased when combined with Diphenhydramine.

No other interactions were found between your selected drugs.

Note: this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

Interactions between your selected drugs

Moderate

Diphenhydramine<>tiotropium

Applies to: Benadryl 2.5 MG/ML Oral Solution <> SPIRIVA 18 MCG Inhalant Powder Capsule

Drug1 (rxcui = 1049908, name = Diphenhydramine Hydrochloride 2.5 MG/ML Oral Solution [Benadryl], tty = SBD). Drug2 (rxcui = 580261, name = tiotropium 0.018 MG Inhalant Powder [Spiriva], tty = SBD). Drug1 is resolved to Diphenhydramine, Drug2 is resolved to tiotropium and interaction asserted in DrugBank between Diphenhydramine and Tiotropium.

No other interactions were found between your selected drugs.

Note: this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

DrugInteractionChecker.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex® (updated Sep 28th, 2016), Cerner Multum™ (updated Oct 2nd, 2016), Wolters Kluwer™ (updated Oct 1st, 2016) and others. To view content sources and attributions, please refer to our editorial policy.