FELDENE comprises piroxicam as the active ingredient, and it is utilized to alleviate the symptoms of rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis. The latter is a chronic inflammatory rheumatic condition that predominantly affects the spine, but it is not limited to it.The standard recommended dosage of FELDENE is typically within the range of 10 mg to 20 mg, which is typically taken as a single dose once per day. However, depending on the severity of your condition and how your body responds to the medication, your doctor may suggest an alternate dosage regimen.