Foster & Thrive Cold and Cough Relief 650 mg - 30 mg - 12.5 mg / 30 mL Strength Liquid 355 ml - EachCold and Cough Relief Foster & Thrive 650 mg 30 mg 12. 5 mg 30 mL Strength Liquid 12 oz. Foster & Thrive nighttime cold and flu liquid temporarily relieves common cold flu symptoms caused by minor throat and bronchial irritation; sore throat; minor aches and pains; runny nose and sneezing; and headache. In each 2 tablespoon dose there is 650 mg of acetaminophen, 30 mg of dextromethorphan HBr and 12. 5 mg of doxylamine succinate. Compare to active