If your child is age 6 months or older, ibuprofen (Advil, Motrin, others) is OK, too. Read the label carefully for proper dosage. Don't give aspirin to an infant or toddler. Call the doctor if the fever doesn't respond to the medication or lasts longer than one day. Yes, ibuprofen (Advil, Motrin, generics) does reduce fever. Ibuprofen is classified as a non-steroidal anti-inflammatory drug (NSAID) and can be bought over-the-counter (OTC) without a prescription in the 200 mg strength. How Does Ibuprofen Work? A human body, when affected by injury or illness, releases substances called Prostaglandins. This is when Ibuprofen comes of help by blocking the production of prostaglandins. When you have a fever and suppress it, remember the underlying cause is not affected so make sure you know what it is. Doctors give unbiased, trusted information on whether Advil can cause or treat Fever: Dr. Eleczko on does ibuprofen reduce fever: Naproxen will reduce fever, and possibly affect an expected fever. Does Motrin Reduce Fever Others feel ill for months, while some women in no circumstances experience morning sickness. Peculiar symptoms may disappear as the pregnancy progresses, and others will last up to birth time. Your body derives some fat-like molecules, called prostaglandins, from arachidonic acid. These molecules are responsible for inflammatory responses, fever, formation of blood clots, etc. A fever means your body’s fighting a cold, the flu, or another infection. But you can help make the battle as easy as possible. To manage your fever, try these tips: It's possible the Motrin you took did decrease your fever by that much; it's also possible that your fever was on the verge of breaking when you took them. 9.1k Views · View 1 Upvoter · Answer requested by How Does Ibuprofen Work? Ibuprofen is a type of drug called a non-steroidal anti-inflammatory drug (NSAID). It works by stopping the production of compounds called prostaglandins in the body, which have a number of effects, including to cause inflammation. My pedi wants a call if the fever is 102 or over and can't be brought down by Tylenol or Motrin. If it's been 3 hours since the Motrin you can try to piggyback Tylenol to bring it down. If it's been 3 hours since the Motrin you can try to piggyback Tylenol to bring it down.