You shouldnât take codeine if you're allergic to it (or to any other ingredients in the drug) or have trouble breathing. If you experience any of the following after starting codeine, talk to your doctor, as you may be allergic to the drug: Itching; Rash; Hives. Before taking codeine, tell you doctor if you have: Kidney or liver problems; Seizures
Mucinex does help thin out mucus but doesn't do anything to reduce the swelling and inflammation in your sinuses. There are several medical options for reducing this inflammation: 1. Try switching from a neti pot to a NeilMed Sinus Rinse bottle.
The expectorant in the medication prevents your body from expelling that mucus by coughing but other medications in the Mucinex break up the mucus which needs to be expelled by coughing. . It does reduce symptoms but instead of paying more for the DM you are better off with just the Mucinex D and a supplemental cough syrup or cough drop Like This? 1