This is a Double-Blinded Randomized clinical study to compare the effects of herbal Shebet Oil with diclofenac gel on patients with clinical symptoms of knee osteoarthritis.
80 patients according to ACR classification criteria by the rheumatologist, Patient's written consent, Osteophyte in radiography, Knee pain associated with one of these symptoms: (age older than 50 years, following 30 minutes of morning stiffness, Knee Crepitus) in the age range 80-40 years are accepted.
They will allocate to two arms using block randomization. Drugs will be encoding, same shape and without the name, 2 grams, three times a day for 4 weeks will prescribe to intervention groups(Both groups).
Body weight, Height, CBC, Diff, BUN, Cr, ALT, AST will measure at the beginning time and after 4 weeks just repeated mentioned experiments.
Patients two weeks after the start and after 4 weeks of treatment (end of study) are examined by the rheumatologist and the relevant data through interviews and examination of them will be collected.