Description
Rugby Chest Congestion Relief Guaifenesin 100 mg Cough Syrup – 16 fl oz | Compare to Robitussin
Clear chest congestion without the high price tag. Rugby Chest Congestion Relief delivers 100 mg of guaifenesin per 5 mL in a full 16 fl oz bottle—comparable to Robitussin® Chest Congestion, but without the markup. This expectorant loosens mucus and phlegm so you can cough more productively and breathe more easily. The formula is non-drowsy, sugar-free, and alcohol-free, making it a smart option for adults, seniors, and those managing diabetes.
New to generics? See our guide: Robitussin Generic Alternatives – Complete Guide.
Choose the Right Size (and a Recommended Alternative)
- 12 Pack (192 fl oz) – Best value with free shipping.
- 4 Pack (64 fl oz) – Mid-size option with free shipping.
- Oncor Guaifenesin 100 mg Syrup (Single) – Our recommended alternative brand.
Product Highlights
- Compare to the active ingredient in Robitussin® Chest Congestion
- 100 mg guaifenesin per 5 mL – proven expectorant
- No dextromethorphan (DM) – non-drowsy formula
- Sugar-free, alcohol-free, and dye-free
- Expiration Date: 07/2027 or later
Drug Facts
Active Ingredient (per 5 mL)
- Guaifenesin 100 mg – Expectorant
Uses
- Helps loosen phlegm (mucus)
- Thins bronchial secretions for more productive coughs
- Clears mucus to improve breathing comfort
Warnings
- Do not use if allergic to guaifenesin or any inactive ingredients.
- Ask a doctor before use if you have: a persistent cough with excessive phlegm, or a chronic cough due to asthma, bronchitis, smoking, or emphysema.
- Stop use and ask a doctor if: cough lasts more than 7 days, returns, or occurs with 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+: 2–4 teaspoonfuls (10–20 mL) every 4 hours.
- Children under 12: Ask a doctor.
- Do not exceed 6 doses in 24 hours.
Other Information
- Do not use if seal is broken or missing
- Store at room temperature (15°–30°C / 59°–86°F)
- Protect from light and freezing
- Dispense in a child-resistant container
Inactive Ingredients
Artificial and natural cherry flavor, citric acid, FD&C Red #40, menthol, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sucralose.
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. This formula is non-drowsy because it does not contain dextromethorphan (DM) or sedating ingredients.
Is it sugar-free and alcohol-free?
Yes. It is sugar-free, alcohol-free, and dye-free.
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.
Why choose guaifenesin-only (no DM)?
Many people prefer a guaifenesin-only syrup for mucus relief without a cough suppressant, to avoid drowsiness or potential interactions.
Generic Equivalent to: |
Robitussin |
Expiration Date: |
2-2026 |
