In Each Caplet Other Information: Store at 68-77 degrees F (20-25 degrees C). Ages 6+ yrs. Acetaminophen 162.5 mg - pain reliever/fever reducer. Dextromethorphan HBr 5 mg - cough suppressant. Guaifenesin 100 mg - expectorant. Phenylephrine HCI 2.5 mg - nasal decongestant. All in One (Helps to relieve these symptoms day or night): sore throat; fever; chest congestion; cough; sinus pressure; nasal congestion; sinus congestion; headache; body pain. Junior caplet (as compared to Mucinex caplets). Pediatrician recommended (as an OTC brand in the Children's Cough/Cold category (AlphaImpactRxProVoice Survey). New. Health. Hygiene. Home. Parents: Learn more about teen medicine abuse. www.StopMedicineAbuse.org. www.mucinex.com. Questions? 1-866-Mucinex (1-866-682-4639). You may also report side effects to this phone number. If your child has difficulty swallowing solid dosage forms, try our Mucinex Children's liquids or mini-melts products.