Other Information: Each 20 ml contains: sodium 12 mg. Tamper Evident: Do not use if neckband on bottle cap is broken or missing. Store between 68-77 degrees F (20-25 degrees C). Do not refrigerate. Dosing cup provided. Misc: For ages 12+. Dextromethorphan HBr - cough suppressant. Guaifenesin - expectorant. Controls cough. Relieves chest congestion. Thins & loosens mucus. 4 hour dosing. Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org. Questions? 1-866-Mucinex (1-866-682-4639). You may also report side effects to this phone number. Please visit our web site www.mucinex.com. Made in England.