In general, it is safe to take Tylenol before surgery according to Drugs.com. Patients should let their doctors know of Tylenol use and dosage when scheduling a surgery.
Tylenol is the brand name for acetaminophen, a drug that is used to relieve pain and reduce fever. It's widely available over the counter in liquid, tablet and gel capsule forms. Tylenol is often used to treat headache, backache, toothache, and arthritis pain as well as colds and fever.
According to doctors for Kaiser Permanente, Tylenol is a safe alternative to other pain relievers, many of which cannot be taken before surgery because their blood-thinning effect. Medications such as Advil and Motrin, brand names for ibuprofen, and aspirin should be stopped long before surgery. Patients who typically use other pain relievers or anti-inflammatory medications should talk to their doctor about the possibility of switching to Tylenol before surgery.