Reliable-1 Tussin
Guaifenesin · Liquid · Oral
Active ingredient
In each 10 mL Guaifenesin - 200 mg
Purpose
Purpose Expectorant
Uses
Uses helps loosen phlegm (mucus) helps thin bronchial secretions to make coughs more productive
Warnings
Warnings Ask a doctor before use if you have a cough with too much phlegm (mucus) a cough that lasts or is chronic 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 is accompnaied by fever, rash, or persistent headache. These could be signs of a serious condition.
Pregnancy or breast-feeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children . In case of overdose, get medical help or contact a Poison Control Center right away
Directions
Directions Do not take more tha 6 doses in any 24 hour period Measure only with dosing cup provided mL- mililiters Adults and children over 12 years of age: take 2 teaspoonfuls (10 mL) every 4 hours as needed or as directed by a doctor Children under 12 years of age: Do not use
Inactive ingredients
Inactive ingredients: cherry flavor, citric acid, FD&C red #40, menthol, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sucralose
Questions?
Questions or comments? 1-516-341-0666 8:30 am - 4:30 pm EST Mon-Fri
Label text from the FDA structured product label by RELIABLE 1 LABORATORIES LLC (revised Jan 2, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Guaifenesin in 1 product
Reliable-1 Tussin NDC products (1)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 69618-068 | Guaifenesin 100 mg/5mL Liquid | RELIABLE 1 LABORATORIES LLC | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Reliable-1 Tussin used for?
Uses helps loosen phlegm (mucus) helps thin bronchial secretions to make coughs more productive
Who makes Reliable-1 Tussin?
Reliable-1 Tussin is listed by 1 labeler in the FDA NDC directory, including RELIABLE 1 LABORATORIES LLC.