Nizatidine and Tadalafil interaction
Nizatidine and Tadalafil: the Tadalafil prescribing label reports 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 Tadalafil (Cialis) label · effective 2026-06-03
No interaction
H 2 Antagonists (e.g. Nizatidine) — An increase in gastric pH resulting from administration of nizatidine had no significant effect on pharmacokinetics.
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Open in the checkerNot 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.