Zantac Drug Interactions

When certain medicines are taken with Zantac, drug interactions may potentially occur that can decrease the effectiveness of the drugs. These interactions may require your healthcare provider to adjust your dosages or recommend a substitute medication for Zantac. Drug interactions involving Zantac may occur with medications such as warfarin, atazanavir, itraconazole, and ketoconazole.

Zantac Drug Interactions: An Overview

Zantac® (ranitidine hydrochloride) can potentially interact with several drugs. Some of the drugs that may lead to Zantac interactions include:
 

Zantac Interactions Explained

 
Atazanavir (Reyataz)
Taking Zantac with atazanavir can decrease the absorption of atazanavir into the body, perhaps making it less effective. Your healthcare provider may need to increase your dose of atazanavir or suggest a substitute for Zantac.
 
Itraconazole (Sporanox)
Taking Zantac with itraconazole can decrease the absorption of itraconazole into the body, perhaps making it less effective. Your healthcare provider may need to increase your dose of itraconazole or suggest an alternative to Zantac.
 
Ketoconazole (Nizoral)
Taking Zantac with ketoconazole can decrease the absorption of ketoconazole into the body, perhaps making it less effective. Your healthcare provider may need to increase your dose of ketoconazole or suggest a medication to use in place of Zantac.

Zantac Drug Info

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