Other Brands/Names

This medicine is often combined with other active ingredients.

It is marketed under several brand names, including Benadryl Wet Cough, Actifed Expectorant, Bisolvon, Hufagrip, Komix, and Konidin.

How it Works

Guaifenesin helps reduce the thickness of phlegm by increasing fluid in the respiratory tract.

Indications

This medicine is used to loosen and clear phlegm in conditions such as infections of the upper or lower respiratory tract, as well as bronchial asthma.

Contraindications

This drug should not be used in people with a history of allergy or hypersensitivity to guaifenesin.

Side Effects

1. Gastrointestinal issues such as nausea, vomiting, or stomach pain

2. Dizziness or headache

Types

1. 100 mg tablets

2. Syrups combined with other active medicinal ingredients

Dosage

1. Adults and children over 12 years old: 1–2 tablets, 3–4 times daily, with a maximum daily dose of 2400 mg.

2. Children 6–12 years old: 1 tablet, 3–4 times daily, with a maximum daily dose of 400 mg.

Safety

Pregnancy:

Category C. Animal studies have shown harmful effects on the fetus, but there are no controlled studies in pregnant women.

Drug Interactions

There are no known drug interactions with guaifenesin.

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