- sunmark® mucus E.R.™ Expectorant
- Guaifenesin is used to treat coughs and congestion caused by the common cold, bronchitis, and other breathing illnesses
- Guaifenesin is an expectorant
- Alcohol Free
| Active Ingredients | Guaifenesin |
| Container Type | Box |
| Dosage Form | Extended Release Tablet |
| Flavor | Unflavored |
