Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What other drugs will affect isoniazid?

April 26, 2017affect agents antibiotic antituberculosis drugs INH isoniazid

0

Posted

What other drugs will affect isoniazid?

1 Answer

0

Posted

Before taking isoniazid, tell your doctor if you are taking any of the following drugs: • antacids. Aluminum salts will decrease the action of isoniazid. Do not take antacids that contain aluminum for 1 to 2 full hours before or after taking a dose of isoniazid. • ketoconazole (Nizoral) and itraconazole (Sporanox). Isoniazid may decrease the actions of these antifungal medicines. Therefore, a fungal infection may not be adequately treated. • rifampin (Rimactane, Rifadin) or rifabutin (Mycobutin). • disulfiram (Antabuse). Unusual behavior and coordination difficulties may occur if these medicines are taken together. Isoniazid may increase the effects of the following medicines: • warfarin (Coumadin); • carbamazepine (Tegretol); • cycloserine (Seromycin); • phenytoin (Dilantin), ethotoin (Peganone), and mephenytoin (Mesantoin); • meperidine (Demerol); • benzodiazepines such as alprazolam (Xanax), diazepam (Valium), lorazepam (Ativan), and temazepam (Restoril); • theophylline (Theo-Dur, T