When used in small doses, no COMMON side effects have been reported with Tylenol. Seek medical attention
right away if any of these SEVERE
side effects occur when using Tylenol:
"Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine or pale stools; unusual fatigue; yellowing of the skin or eyes."
"This is not a complete list of all side effects that may occur.