The medication paracetamol (INN) (/ˌpærəˈsiːtəmɒl/ or /ˌpærəˈsɛtəmɒl/), also known as acetaminophen (USAN) /əˌsiːtəˈmɪnəfɪn/, is sold around the world under a number of different brand names. Common brand names include Tylenol, Excedrin, Calpol, and Panadol.