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Rugby Chest Congestion Relief Guaifenesin 100 mg Cough Syrup - 16 fl oz | Compare to Robitussin (4 Pack)

$39.99

Expiration Date: 7-2027 or better


Bundle & Save on Chest Congestion Relief
Get 4 bottles of Rugby Chest Congestion Relief Guaifenesin 100 mg Syrup in this value pack. Each 16 fl oz bottle provides non-drowsy, sugar-free, alcohol-free, DM-free expectorant relief that loosens mucus and clears airways. Free shipping included.
  • ✅ Compare to Robitussin® Chest Congestion
  • ✅ 100 mg guaifenesin per 5 mL dose
  • ✅ Non-drowsy, sugar-free, alcohol-free
  • ✅ 64 fl oz total (4 × 16 fl oz)

UPC:
305361314859
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Description

Rugby Chest Congestion Relief Guaifenesin 100 mg Cough Syrup – 16 fl oz (4 Pack) | Compare to Robitussin

Need maximum relief and maximum value? This Rugby Chest Congestion Relief 4 Pack delivers 64 total ounces of sugar-free, alcohol-free, and DM-free chest congestion relief. Each 16 fl oz bottle contains 100 mg of guaifenesin per 5 mL—the same active ingredient as Robitussin® Chest Congestion. It loosens and thins mucus so you can cough more productively and breathe more comfortably.

Buying the 4 Pack means you’re prepared for cold and flu season, and it ships free for extra savings. For other sizes, try the single bottle or the 12 Pack. You can also consider our recommended alternative: Oncor Guaifenesin 100 mg Syrup, available in singles and multi-packs with free shipping.

Learn more about guaifenesin-only relief in our guide: Cold Medicine Without Dextromethorphan.

What You’ll Receive

  • 4 bottles of Rugby Chest Congestion Relief Cough Syrup
  • Each bottle: 16 fl oz (total: 64 fl oz)
  • Expiration Date: 05/2027 or later

Key Features

  • Compare to Robitussin® Chest Congestion active ingredient
  • 100 mg guaifenesin per 5 mL – Expectorant
  • Sugar-free, alcohol-free, and dextromethorphan-free (DM-free)
  • Non-drowsy formula for day or night use
  • Formerly sold as Robafen Syrup

Directions for Use

  • Adults & Children 12+: 2 to 4 teaspoonfuls (10–20 mL) every 4 hours
  • Do not exceed 6 doses in 24 hours
  • Children under 12: Ask a doctor

Ingredients

  • Active: Guaifenesin USP 100 mg – Expectorant
  • Inactive: Cherry flavor (natural & artificial), citric acid, menthol, FD&C Red #40, sucralose, methylparaben, propylparaben, propylene glycol, sodium citrate, purified water

Uses

  • Loosens phlegm (mucus)
  • Thins bronchial secretions for more productive coughing
  • Relieves chest congestion caused by colds, flu, or bronchitis

Warnings

  • Do not use if allergic to any ingredients
  • Ask a doctor if you have:
    • A persistent or chronic cough (asthma, smoking, etc.)
    • A cough with 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
  • Keep out of reach of children. In case of overdose, contact Poison Control immediately.

Storage Instructions

  • Store at room temperature
  • Protect from light and freezing
  • Do not use if foil seal is missing or broken

Frequently Asked Questions (FAQ)

Is this the same as Robitussin Chest Congestion?

Yes, it contains the same active ingredient (guaifenesin 100 mg) found in Robitussin® Chest Congestion but without the brand-name price or additives.

Does this syrup cause drowsiness?

No. This formula is non-drowsy and free from dextromethorphan (DM) and antihistamines—ideal for daytime use.

Is Rugby Guaifenesin safe for diabetics?

Yes. It is sugar-free and alcohol-free, making it a good option for people managing diabetes. As always, check with your doctor if unsure.

How much can I take per day?

Adults and children 12 and older can take up to 6 doses per 24 hours (each dose is 10–20 mL). Always follow label directions unless advised by your doctor.

Why choose DM-free cough syrup?

DM-free syrups avoid potential drowsiness and allow you to combine guaifenesin with other medications safely. Many users prefer them for daytime use or multitreatment plans.