

Pain killers are medical drugs of natural, semisynthetic and synthetic origin intended to relieve pain.
The biggest group of pain killers is non-steroidal anti-inflammatory drugs, or NSAID, that are prescribed to treat chronic diseases where pains and inflammation are common.
Non-steroidal pain killers are usually used for symptomatic relief of the following disorders:
A number of pain killers have such a broad action spectrum that they can be prescribed to treat pain in different health conditions. Among them are such anti-inflammatory drugs like Naprosyn and Celecoxib which are used for treatment of rheumatoid arthritis, osteoarthritis and juvenile arthritis, spondylitis, menstrual pain and cramps, and other pains.
Different pain killers have different contraindications and in many cases must be used with caution. No pain killers can be used if you are pregnant, breastfeed, have renal or liver disorders, and if you take other non-steroidal anti-inflammatory drugs.
There is also a list of drugs that can interact with pain killers, among which are anticoagulants, antibacterial medications, diuretics and other drugs about which you have to inform your doctor before taking any pain killer.