Drug-induced hepatitis is rare. It is caused when you have a harmful or toxic amount of some medicines, vitamins, herbal remedies, or food supplements. In most cases, you may be taking a medicine for several months before it reaches a toxic level and affects your liver. But the disease can also happen if you take too much of some medicines, such as acetaminophen. In this case, it can happen quickly. Other times it is an allergic reaction. Many types of medicines may cause drug-induced hepatitis. These include:

Pain and fever medicines that have acetaminophen
Aspirin and over-the-counter pain and fever medicines (NSAIDs or nonsteroidal anti-inflammatory medicines)
Anabolic steroids, man-made medicines that are like the male sex hormone testosterone
Some medicines used to treat bacterial infections (antibiotics)
Birth control pills (oral contraceptives)
Statins, used to lower cholesterol
Sulfa medicines, a type of antibiotic
Anti-epileptic medicines
Herbal medicines