As a pharmacist I see a lot of stomach problems due to excessive ibuprofen use. The maximum daily dose should be 600mg up to three times a day. Motrin (ibuprofen) should never be given to a child younger than 2 years old without a doctor's approval. Tylenol (acetaminophen) should not be used for infants under the age of 12 weeks unless you are directed to do so by your doctor. The Pink, One-Piece Wrap Style 1 ( Pink Stripe) Size - Small - Medium - Large Length (neck to base of tail) - 10 inches - 14 inches - 20 inches Width (without side tabs) - 9 inches - 12 inches - 18 inches The instructions are given for the smallest size. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Grin on ibuprofen suppositories for children: Both are effective at reducing fever, aches and pains. Both are generally safe, in appropriate doses. Motrin is antiinflammatory, tylenol (acetaminophen) is not. Tylenol (acetaminophen) can affect liver function. How to Break a Fever in an Infant. An infant's first fever is enough to cause any parent to worry. If allowed to climb to dangerous temperatures, fevers themselves can cause seizures and other health problems. Before attempting to treat a. Ibuprofen (common brands include Motrin, Advil), a nonsteroidal antiinflammatory drug , is a common medicine for many new moms, with headaches, backaches, and muscle soreness happening almost daily. Many mothers need to take medications during breastfeeding. Although many drugs are safe to use when you're breastfeeding, most will get into your milk to some degree and may even affect your milk supply. [i heard dont mix ibuprofen and acetaminophen together.neocitrancold and flu contains acetaminophen.] Previous answer is wrong: ibuprofen and acetaminophen are one ofthe few definitely safe. Acetaminophen is the generic name for Tylenol, a pain reliever and fever reducer. It's one of the most widely used pain medications in the world. In an adult who has no liver dysfunction, a one-time dose of 1500mg should be safe. The maximum recommended individual dose is 1000 mg and the maximum recommended daily dose is 3000 to 4000 mg.