Autoimmune diseases usually do not usually have a simple, single cause. There are usually two major factors that are involved in causing them: genetics and environment. Genetics - Even with a genetic connection to autoimmune disease, there is no guarantee that you will develop an autoimmune disease. Something must turn on your immune system to trigger an autoimmune response. Environment - Environmental factors make up more than half the risk of developing an autoimmune disease.
A: Advil (ibuprofen) is a non-steroidal anti-inflammatory drug (NSAID). Advil can be used for pain and inflammation. Motrin (ibuprofen) is the same medication as Advil; they are both ibuprofen. They are just made by different companies.
Ibuprofen, sold as Motrin or Advil, is chemically similar to regular aspirin and functions in a similar way. In lower doses, ibuprofen seems to irritate the esophagus and stomach lining less than aspirin and naproxen. If you have ulcers or acid reflux disease, ibuprofen may be the best product for pain clearly resulting from inflammation (arthritis, sprains, sunburns, etc.).