The average Advil cash price is about $11.97 for a supply of: Capsule 200 MG 30 pcs. Get our free Advil coupon and be eligible to receive a discount. You can reduce your Advil cost by up to 75% with our free Advil discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Treating minor aches and pains caused by the common cold, headaches, toothaches, back or muscle aches, menstrual cramps, or arthritis. It may be used to reduce fever. It may also be used for other conditions as determined by your doctor. Advil is an NSAID. Exactly how it works is not known. It may block certain substances in the body that are linked to inflammation. NSAIDs treat the symptoms of pain and inflammation. They do not treat the disease that causes those symptoms.