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🏠›Trihexyphenidyl›Interaction with Promethazine

Trihexyphenidyl + Promethazine

Drug interaction

Moderate interaction

A moderate drug-drug interaction between Trihexyphenidyl and Promethazine 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.

The two medicines

Active ingredient

Trihexyphenidyl

Tertiary Amines

Uses, side effects, dosage →· 356 recorded interactions

Active ingredient

Promethazine

Antihistamines For Topical Use

Uses, side effects, dosage →· 783 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.

Trihexyphenidyl and Promethazine: Moderate Interaction - Drugvu