TY - GEN AU - Robb-Nicholson,C TI - By the way, doctor. NOw that pollen season is underway, I need a decongestant. The one I've used for years was taken off the market because it contained PPA. What is PPA, and why is it a problem? What can I use instead? SN - 1070-910X PY - 2001///0628 KW - Cerebral Hemorrhage KW - chemically induced KW - Female KW - Humans KW - Nasal Decongestants KW - adverse effects KW - Phenylpropanolamine KW - Risk Factors N1 - Publication Type: Journal Article ER -