Cough suppressant helps colds by stopping the urge to cough and is in many cold and flu remedies that are over the counter, prescription and natural. Cough suppressant that can be obtained either over the counter or by prescription will contain an ingredient that is responsible for suppressing the cough, this is dextromethorphan. 

Cough suppressant is suggested for the person suffering from a cold that is having problems with a congested or dry cough and it is a medicine that will enable the person to rest peacefully without coughing.

There are prescription cough suppressants that can only be obtained for severe colds from the physician that have the chemical codeine as an ingredient to fight the cough associated with colds. Natural treatments for cold suppression are honey, which can be drunk in tea, and other non habit forming treatments. The natural cough suppressant also does not have side effects, like the ones found in over the counter and prescription cough suppressants.