This recommended section of WebMD collects information on the thousands of medications available to the public today. Topics discussed included uses, side effects, precautions, interactions, overdose procedures, images, and user reviews. There is also informaton on vitamins & supplements, including uses, side effects, interactions, and dosing.
WebMD - Pain Management Health Center is a good starting point that provides a detailed overview of many aspects of pain & pain management, such as types of pain, symptoms & causes, diagnosis & tests, treatment & care, and living with & managing. "Pain Management Guide" provides a variety of information about 13 types of pain, such as nerve pain, complex regional pain syndrome, and psychogenic pain. "Pain Topics" discusses pain associated with 6 common conditions condition and possible causes of pain in 6 locations. This section is recommended as a good location to learn basic information about pain, although other sites will be needed for information about other conditions associated with chronic pain