Top Notch Customer Service. Being a small business owner I understand how important Customer Service is, especially in todays economy. I would like to compliment your CS team for providing a service which is 2nd to none. In the past year I have found it necessary to contact your team with several questions and yes,even one product issue.
Comtrex Cold and Cough Non-Drowsy Â® (as a combination product containing Acetaminophen, Dextromethorphan, Phenylephrine ... Dextromethorphan may cause side effects. ... dizziness; lightheadedness; drowsiness; nervousness; restlessness; nausea; vomiting; stomach pain.
Dextromethorphan is a cough suppressant. It affects the signals in the brain that trigger cough reflex. Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages.