Lortab is a combination of both acetaminophen and hydrocodone. Acetaminophen is a non opioid pain medication that helps to control body temperature and also reduce pain. Hydrocodone is an opioid pain relief medication that helps to treat the pain by controlling how the brain responds to or reacts to the pain. It is a narcotic medication, a sedative to relieve excessive pain. It may show withdrawal symptoms if you discontinue it gradually. So, before you stop taking it, you should talk to your doctor about your condition. It is an opioid pain reliever that affects the brain and nervous system, however, you have to follow your doctor's instructions on how to take it. It can affect your health if it is not taken as prescribed.