Nizatidine and Theophylline interaction

Nizatidine and Theophylline: both prescribing labels report no clinically significant interaction between these two.

No interaction

No clinically significant interaction reported. The label studied or considered this pair and found nothing meaningful.

What the FDA labels say

From the Theophylline label · effective 2026-01-29

No interaction

…medroxyprogesterone ampicillin, with or without methylprednisolone sulbactam metronidazole atenolol metoprolol azithromycin nadolol caffeine, dietary ingestion nifedipine cefaclor nizatidine co-trimoxazole (trimethoprim and sulfamethoxazole) norfloxacin ofloxacin diltiazem omeprazole dirithromycin prednisone, prednisolone enflurane ranitidine famotidine rifabutin…

Drug interactionsnames NizatidineView label on DailyMed

From the Nizatidine label · effective 2025-01-02

No interaction

Drug Interactions No interactions have been observed between nizatidine and theophylline, chlordiazepoxide, lorazepam, lidocaine, phenytoin, and warfarin.

Drug interactionsnames TheophyllineView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

Not 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.