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Cimetidine and Guanfacine: Moderate Interaction - Drugvu

🏠›Cimetidine›Interaction with Guanfacine

Cimetidine + Guanfacine

Drug interaction

Moderate interaction

A moderate drug-drug interaction between Cimetidine and Guanfacine is recorded in public interaction data. Severity reflects the source classification; it does not describe your individual risk. Do not start, stop, or change either medicine based on this page.

What “moderate” means

A moderate interaction can matter in some people. The combination is sometimes used, but usually with caution - monitoring, timing changes, or dose adjustments.

What to do

Mention this combination to your pharmacist or prescriber. Do not stop either medicine without advice.

Side effects reported for both

Cimetidine and Guanfacine are each reported to cause the effects below. Taking them together can make these more likely or more pronounced - one of the ways a drug interaction matters.

VomitingNauseaFatigue

Compiled from public adverse-event reports; an overlap, not a confirmed causal mechanism.

The two medicines

Active ingredient

Cimetidine

H2-Receptor Antagonists

Uses, side effects, dosage →· 528 recorded interactions

Active ingredient

Guanfacine

Imidazoline Receptor Agonists

Uses, side effects, dosage →· 371 recorded interactions

Source

DDInter 2.0 (CC-BY 4.0, https://ddinter.scbdd.com)

This is not medical advice. Drugvu is an independent aggregator of public records.