Canisteo, New York. Canisteo is a town in  Steuben County, New York, United States. The population was 3,391 at the 2010 census. The name was taken from a former Indian village located here. The Town of Canisteo is in the westernmost part of the county, bordering Allegany County and southeast of Hornell, New York.
Tylenol Extra Strength. Taking too much acetaminophen may cause serious (possibly fatal) liver disease. Adults should not take more than 4000 milligrams (4 grams) of acetaminophen a day. People with liver problems and children should take less acetaminophen. Ask your doctor or pharmacist how much acetaminophen is safe to take.
Itâs not a good idea to take it long-term, according to our medical advisors. Tylenol PM contains two medicationsâthe pain reliever acetaminophen and an antihistamine (diphenhydramine) to help with insomnia. High doses of acetaminophen can cause liver damage and the risk increases if you consume alcohol. Possible side effects of diphenhydramine include daytime sleepiness, confusion, constipation, dry mouth, and urinary retention and it can worsen your sleeping problems when taken too often.