Other Information: Store between 68-77 degrees F (20-25 degrees C). Avoid excessive heat. Misc: Non-Drowsy. For ages 12+. Acetaminophen - pain reliever/fever reducer. Dextromethorphan HBr - cough suppressant. Doxylamine succinate - antihistamine. Phenylephrine HCl - nasal decongestant. Fast dissolving liquid gels! Maximum strength (Per 4-hour dose). Relieves aches, fever & sore throat. Relieves runny nose & sneezing. Relieves nasal congestion. Controls cough. Liquid gels (liquid filled capsules). New! Questions? 1-866-Mucinex (1-866-682-4639). You may also report side effects to this phone number. Health. Hygiene. Home. www.mucinex.com. Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org. Made in China.