It takes approximately 30 minutes for Tylenol to begin working and should only be taken every four to six hours as needed. Tylenol is used to treat pain and as a fever reducer, and typically used to treat pain associated with arthritis, headaches, muscle aches, tooth aches and colds, according to Drugs.com.
This medication should never be taken more than the recommended dosage based on weight and age due to the fact that it could lead to liver damage. When using Tylenol to reduce fever or pain in children, it's crucial to pay close attention to the proper dosage necessary for their age. There are numerous types of Tylenol available to purchase over the counter, including ones specifically designed for children and infants.