Description
Rugby Chest Congestion Relief Guaifenesin 100 mg Cough Syrup – 16 fl oz (12 Pack) | Compare to Robitussin
Bulk savings on non-drowsy chest congestion relief. This 12-pack of Rugby Chest Congestion Relief provides guaifenesin 100 mg per 5 mL — the same expectorant ingredient in Robitussin® — to loosen and thin mucus so coughs are more productive. Free from dextromethorphan (DM), sugar, and alcohol, Rugby’s guaifenesin-only formula is trusted for clear, effective chest congestion relief.
Prefer fewer bottles? Try the single 16 fl oz bottle or the 4-pack for a smaller supply.
Looking for our preferred brand? See the Oncor 12-Pack of Guaifenesin Cough Syrup for even better value and quality.
Learn more in our guides: Robitussin Generic Alternatives and Cold Medicine Without Dextromethorphan (DM).
What You’ll Receive
- 12 bottles of Rugby Chest Congestion Relief Guaifenesin 100 mg Cough Syrup
- Each bottle: 16 fl oz (total 192 fl oz)
- Expiration Date: 7/2027 or later
- Free shipping included
Key Features
- Compare to: Robitussin® Chest Congestion
- Active Ingredient: Guaifenesin 100 mg per 5 mL – Expectorant
- Loosens mucus and clears congestion
- Sugar-free, alcohol-free, and dye-free
- No dextromethorphan (DM) – non-drowsy formula
- Cherry menthol flavor
Ingredients
- Active: Guaifenesin, USP 100 mg – Expectorant
- Inactive: Cherry flavor, citric acid, FD&C Red #40, menthol, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sucralose
Uses
- Helps loosen and thin mucus
- Makes coughs more productive
- Clears chest congestion from colds, flu, or allergies
Drug Facts
Active Ingredient (per 5 mL)
- Guaifenesin 100 mg – Expectorant
Warnings
- Do not use: if allergic to guaifenesin or any listed ingredients
- Ask a doctor before use if you have:
- Persistent cough with excessive phlegm
- Chronic cough due to smoking, asthma, bronchitis, or emphysema
- Stop use and ask a doctor if:
- Cough lasts more than 7 days, returns, or is accompanied by fever, rash, or headache
- If pregnant or breastfeeding: consult a healthcare professional
- Keep out of reach of children: In case of overdose, contact Poison Control immediately
Directions
- Adults & Children 12+: 2 to 4 teaspoonfuls (10–20 mL) every 4 hours
- Children under 12: Ask a doctor
- Do not take more than 6 doses in 24 hours
Other Information
- Do not use if seal is broken or missing
- Store at 15–30°C (59–86°F)
- Protect from light and freezing
- Dispense in a child-resistant container
Frequently Asked Questions
Does guaifenesin loosen mucus?
Yes. Guaifenesin is an expectorant that thins and loosens mucus, making it easier to clear from your chest and airways.
Does this syrup cause drowsiness?
No. Rugby’s formula is non-drowsy because it does not contain dextromethorphan (DM) or sedating ingredients.
Is it safe for people with diabetes?
Yes. This formula is sugar-free and alcohol-free, making it a good option for those managing diabetes. Always consult your doctor before starting new medications.
How much can I take per day?
Adults and children 12 years and older may take up to 6 doses in 24 hours. Do not exceed this unless directed by a healthcare provider.
What’s the difference between guaifenesin-only syrup and DM combinations?
Guaifenesin-only formulas are preferred by some users who want mucus relief without a cough suppressant, avoiding drowsiness or drug interactions.
