When you breathe in pollen, your immune system releases histamine and other inflammatory mediators, triggering common allergy symptoms. Unlike a cold, which typically clears up in a couple of ...

That drug is found in Sudafed, as well as allergy meds that end in "D" like Claritin-D and Allegra-D. Pseudoephedrineis effective when taken orally. Sweet suggests a steroid nasal spray like ...