Visitors at this page also visited
Antihistamines are drugs which treat allergic rhinitis and other allergies. As an alternative to taking an antihistamine, people who suffer from allergies can instead avoid the substance which irritates them. Antihistamines are usually for short-term treatment. A decongestants, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract. The active ingredient in most decongestants is either pseudoephedrine or phenylephrine. (source)
Similar pages on this site
Good to know
What happens when you have a disease doctors can't diagnose?
Jennifer Brea, a PhD student at Harvard, found out one nights she couldn't write her name
The Opioids Epidemic
How it causes a decline in life expectancy in the USA, and how to protect yourself against it.