Red capsule with HPC 170 ## The capsule in description is Zebutal; which is a combination of Acetaminophen (500 mg) + Butalbital (50 mg) + Caffeine (40 mg). This is most commonly used to treat migraines and tension headaches. To view more information about this drug, please click on the link below... Do you have any more questions or information to add? Please post back if you do. ## what is this HPC 170 taken for ## Hi Letina, This pill is prescribed to treat migraines and tension headaches. You can view more information about Zebutal in my reply below. Please post back if you have any other questions or concerns.