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Nizatidine

Also known as: Nizatidine

Histamine-2 Receptor AntagonistHistamine H2 Receptor Antagonists

Route: Oral

3 interactions on record

Nizatidine has 3 known drug interactions based on U.S. FDA drug labeling data. Notable interactions include combinations with Aspirin. Patients taking Nizatidine should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.

Total: 3
Moderate: 1
Minor: 1

Moderate (1)

Nizatidine + Aspirin— High-dose aspirin (3,900 mg daily) with nizatidine 150 mg twice daily resulted in increases in serum salicylate levels.

Minor (1)

Nizatidine + Tadalafil— Increase in gastric pH from nizatidine had no significant effect on tadalafil pharmacokinetics.

Nizatidine + Aspirin🟡Moderate

High-dose aspirin (3,900 mg daily) with nizatidine 150 mg twice daily resulted in increases in serum salicylate levels.

Nizatidine + Tadalafil🟢Minor

Increase in gastric pH from nizatidine had no significant effect on tadalafil pharmacokinetics.

Nizatidine + Lorazepamℹ️Unknown

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

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.