You very likely have an ibuprofen (Advil, Motrin, Nuprin, etc.) induced ulcer. Ibuprofen falls under the category of a nonsteroidal anti-inflammatory drugs (NSAIDs). I explain how NSAIDs can cause ulcers in this article:
Alt/Trad Medical Review
The stomach can heal if given a chance, but you need to get off of the NSAIDs completely. There are a few things that can help promote the healing of ulcers including licorice root or raw cabbage juice.