sunmark® 20 mg; 400 mg / 20 mL Strength Liquid 4 oz.
- Relieves cough and mucus for those aged 12 and older
- 20 mg of dextromethorphan HBr and 400 mg of guaifenesin solution in each 10 mL (2 teaspoons) dose
- Compare to active ingredients Robitussin® Maximum Strength Cough + Chest Congestion – a registered trademark of Haleon
