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Theophylline and Ranitidine: Moderate Interaction - Drugvu

🏠›Theophylline›Interaction with Ranitidine

Theophylline + Ranitidine

Drug interaction

Moderate interaction

A moderate drug-drug interaction between Theophylline and Ranitidine 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

Theophylline and Ranitidine 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.

Pain

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

The two medicines

Active ingredient

Theophylline

Xanthines

Uses, side effects, dosage →· 350 recorded interactions

Active ingredient

Ranitidine

H2-Receptor Antagonists

Uses, side effects, dosage →· 581 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.