Description
Oncor Guaifenesin Syrup 100 mg/5 mL – 12 Pack (16 fl oz Bottles) | Robitussin Alternative, No DM, Sugar-Free
Get clean, powerful chest congestion relief — without unnecessary additives.
Oncor Guaifenesin Syrup contains 100 mg of guaifenesin per 5 mL to help loosen mucus, thin secretions, and make coughs more productive. This bulk pack is ideal for families, caregivers, and clinics during cold, flu, or allergy season.
This formulation includes no dextromethorphan (DM), no menthol, no sugar, and no alcohol—just cherry-flavored expectorant relief in a simple, effective formula. Compare to Robitussin® or Mucinex® and save when you buy 12 bottles at once.
Expiration Date: 11/2026 or better
Looking for smaller packs? → Try our single 16 oz bottle → Check out the 3-pack here → Read our DM-free cough syrup blog post → Browse all Oncor products
What Will I Receive?
- 12 bottles of Oncor Liquid Guaifenesin – 16 fl oz each
- Total: 192 fl oz of guaifenesin oral solution (100 mg/5 mL)
- Expiration Date: 11/2026 or better
- Ships FREE from Las Vegas, NV
Key Features
- 100 mg guaifenesin per 5 mL – thins mucus and clears bronchial passages
- No DM, no menthol, no suppressants – just expectorant relief
- Sugar-free and alcohol-free – gentle and suitable for daily use
- Cherry flavor – smooth and palatable
- Safe for adults and children ages 2 and up (see dosage below)
Directions
- Adults & Children 12+ years: 2–4 teaspoonfuls every 4 hours
- Children 6 to under 12: 1–2 teaspoonfuls every 4 hours
- Children 2 to under 6: ½–1 teaspoonful every 4 hours
- Children under 2: Consult a doctor
- Do not exceed 6 doses in 24 hours
Active Ingredient (per 5 mL)
- Guaifenesin 100 mg – Expectorant
Inactive Ingredients
Citric Acid, Cherry Flavor, FD&C Red No. 40, Glycerin, Propylene Glycol, Purified Water, Sodium Benzoate, Sodium Citrate, Sorbitol Solution, Sucralose.
Warnings
- Consult a doctor before use if you have asthma, persistent cough, or excessive mucus
- Stop use and consult a doctor if symptoms last more than 7 days or are accompanied by fever, rash, or headache
- If pregnant or breastfeeding, consult a healthcare provider before use
- Keep out of reach of children
Storage
- Store at 20–25°C (68–77°F)
- Do not use if foil seal under cap is broken or missing
Who is the Oncor 12-pack best for?
This bulk pack is ideal for households, clinics, or anyone needing long-term chest congestion relief during cold, flu, or allergy season.
Does this contain dextromethorphan (DM) or menthol?
No. Oncor contains only guaifenesin and is free of DM, menthol, sugar, and alcohol.
Is it safe for kids?
Yes. It is safe for children 2 years and older when used as directed. Always follow dosing instructions.
Can I use this for multiple people?
Yes. This 12-pack is suitable for multi-person households, caregiving situations, or clinics.
Do I need a prescription?
No. Oncor Guaifenesin is available over the counter—no prescription required.