guaifenesin 400 MG Oral Tablet
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guaifenesin 400 MG Oral Tablet
400 MG · Oral Tablet · oral
A form of guaifenesin →
guaifenesin 400 MG Oral Tablet — Expectorants. Strength, form, class, interactions & more.

Active ingredient
Classification
ExpectorantsExpectorant
Drug interactions
Guaifenesin should not be used with monoamine oxidase inhibitors (MAOIs).
- majormonoamine oxidase inhibitors (MAOIs) — potentially serious interactions
Warnings
WARNINGS Do not use for children under 12 years of age
Source: RxNorm + openFDA + RxClass + FAERS · 2026
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