Acetaminophen

• Commonly known by the brand name Tylenol, excessive single doses or long-term use of acetaminophen can lead to liver damage.
  
  

Cholesterol Medications

• A group of cholesterol medications, collectively known as "statins," can affect a small percentage of users. Elevated liver test results are commonly reported when using these medications; however, the majority remain in the safe range.
  
  

Supplements and Herbs

• Excessive consumption of zinc or Vitamin A can result in hepatoxicity, or chemical-driven liver damage. Natural herbal products are generally unregulated and do not require prescription, which can lead to to misuse. Herbs such as comfrey tea and skullcap are known to be toxic if taken in excess.
  
  

Antibiotics

• A small range of antibiotics used to treat tuberculosis have been known to cause drug-induced hepatitis. Hepatitis is a liver disease resulting in inflamed cells within the liver, which can lead to further chronic damage and scarring.
  
  

Heart Medication

• Amiodarone is a medication used to treat serious heart conditions such as ventricular tachycardia and atrial fibrillation. This drug can cause a range of problems, from mild liver enzyme irregularities, to irreversible cyrrosis.