For Cough and Nasal Congestion "You need to drink plenty of water with the guaifenesin component of this medication, or it doesn't work, water is what activates it. Otherwise, it does nothing in your body. The phenylephrine component always clears up my congestion. It will keep you awake,...
It is important to always tell your doctor, pharmacist, or health care provider about all prescription andover-the-countermedications you use, as well as the dosage for each, and keep a list of the information. Check with your doctor or healthcare provider if you have any questions about the...