This tool provides medical information and definitions only -- not medical advice. This tool only explains and defines medical terms to help you understand medical documents and to try to answer your questions. However, it does not and cannot provide any diagnosis, treatment recommendations, personal medical guidance or advice. Always consult your doctor or healthcare provider before making any medical decision, no matter how small it may seem.

I can only provide answers to non-personal inquiries about health issues. If you ask about your personal medical issues or their causes, or what your symptoms might mean, I may not be able to provide information. It could be harmful. Please talk to your doctor; only he or she should address such questions about your personal situation.