Foster & Thrive Tussin Guaifenesin 200 mg Cough Syrup – 4 fl oz | Compare to Robitussin

Foster & Thrive Tussin Guaifenesin 200 mg Cough Syrup – 4 fl oz | Compare to Robitussin®

Expectorant Cough Syrup for Chest Congestion Relief

Foster & Thrive Tussin delivers fast, affordable relief for stubborn chest congestion. Each 10 mL dose provides 200 mg of Guaifenesin—the same active expectorant found in Robitussin® Mucus + Chest Congestion—without added dextromethorphan (DM). This non-drowsy formula helps thin and loosen mucus, making coughs more productive and breathing easier. For a complete comparison of generic alternatives, see our Robitussin generic alternatives guide or learn more about why a cough syrup without dextromethorphan (DM) might be the right choice for your symptoms.

Looking to stock up? Shop our multi-packs for the best value and free shipping:

• 4 fl oz Bottle (3-Pack Bundle)
• 4 fl oz Bottle (12-Pack Bundle)

What You'll Receive

• One (1) Bottle of Foster & Thrive Tussin Guaifenesin 200 mg Cough Syrup
• Size: 4 fl oz (118 mL)
• Includes a convenient dosing cup

Key Features & Benefits

• Compare to Robitussin® Mucus + Chest Congestion: A generic alternative offering the same active expectorant.
• 200 mg Guaifenesin per 10 mL: A proven expectorant to help loosen phlegm and thin bronchial secretions.
• No Dextromethorphan (DM): Single-ingredient relief that makes coughs more productive without suppressing them.
• Non-Drowsy Formula: Alcohol-free and non-sedating, making it ideal for daytime use.
• Trusted Quality: Backed by McKesson under the Foster & Thrive label.

Uses

• Helps loosen phlegm (mucus).
• Thins bronchial secretions to drain bronchial tubes and make coughs more productive.

Directions & Dosage

• Preparation: Shake well before use. Measure only with the provided dosing cup (keep cup with product).
• Adults & Children 12 years and over: 10–20 mL every 4 hours. Do not take more than 6 doses in 24 hours.
• Children under 12 years: Do not use.

Ingredients & Other Information

• Active Ingredient (in each 10 mL): Guaifenesin, USP 200 mg (Expectorant).
• Inactive Ingredients: Caramel, citric acid anhydrous, dextrose, FD&C Red #40, flavor, glycerin, high fructose corn syrup, menthol, purified water, saccharin sodium, sodium benzoate.
• Other Information: Each 10 mL contains 6 mg of sodium.
• Storage: Store at 20°–25°C (68°–77°F). Do not refrigerate.

Warnings & Safety

• Ask a doctor before use if you have: A cough that occurs with too much phlegm (mucus) or a persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema.
• Stop use and ask a doctor if: Cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be signs of a serious condition.
• Pregnancy/Breastfeeding: If pregnant or breast-feeding, ask a health professional before use.
• Keep out of reach of children: In case of overdose, get medical help or contact a Poison Control Center right away.

Frequently Asked Questions (FAQ)

Is this the same as Robitussin?
It uses the same active expectorant (Guaifenesin 200 mg per 10 mL). Foster & Thrive is a DM-free, single-ingredient alternative at a better value compared to Robitussin® Mucus + Chest Congestion.

Will it make me drowsy?
No. Guaifenesin is a non-drowsy expectorant, and this syrup contains no dextromethorphan (DM) or sedating antihistamines.

When should I choose a DM-free syrup?
DM-free is preferred when you want to loosen and clear mucus without suppressing your cough or risking drowsiness—especially for daytime use or when combining with other treatments as advised by your healthcare provider.

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