And of course the correct way to pronounce it is:
a-seet-a-MIN-oh-fen
Although Tylenol is sold as a pain reliever and fever reducer, it can also be used for other purposes as well. I used this medicine for my seasonal allergies. This and Claritin works great for it. However, you may be allergic to acetaminophen.
There is a long list of precautions you should know before taking this, and contacting a doctor would be sensible. To name a few: as with many other medications, it is dangerous to mix with alcohol. Do not take this if you are breastfeeding or have liver problems. No one should take more than 4,000 mg per day, and for children, the quantity should be much less.