The ingredient guaifenesin is the only expectorant in the u s so look for it on the label if you need an expectorant.
Over the counter cough suppressant.
A review of studies on otc medications for acute cough found fairly disappointing results for the effectiveness of mucinex and antihistamine decongestants like dimetapp and delsym.
Generally coughing is a healthy way to clear the airways of mucus so cough suppressants should only be used for dry hacking coughs.
The two different types of over the counter otc cough medications are expectorants and suppressants each of which works differently.
Cough suppressants block or suppress the cough reflex.
Delsym cough suppressant coming in the longer lasting form of dextromethorphan polistirex our reviewers found that it worked the absolute best at suppressing their cough for extended periods.
That could include an antihistamine a decongestant and a pain reliever.
Many over the counter treatments mix a suppressant and expectorant with medicines for other symptoms.
Expectorants an expectorant will thin the mucus and make it much easier to cough up the mucus and get it out of your system.
You may be surprised to hear that studies show that over the counter cough suppressants like robitussin aren t any more effective than a placebo.