Before using tetrahydrozoline, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your...Read more
Full Question: I am 52, oxygen. asthema, and severe copd. I have started to have very sharp very painful stabbing pain on left side of my... Read more »