The treatment of osteoarthritis, a disease that eventually affects the majority of the older population, involves the alleviation of symptoms such as pain and stiffness, and the reduction of inflammation. A double-blind, placebo-controlled, crossover study will be performed to examine the effect of topical application of Elmore Oil, a herbal remedy (containing Eucalyptus oil, Tea tree oil, Olive oil and Vanilla), which has recently been reported to have anti-inflammatory properties, on the symptoms of osteoarthritis.

Sixty patients were randomly selected and approved for the study, 30 patients with even numbers received the blue dotted Elmore oil and 30 patients with odd numbers got the orange dotted Elmore and were advised to apply 3x daily on the affected knees respectively for four weeks. On the fifth week, they stopped application for 7 days as flush out period. Then on the 6th week a cross over was done on the patients - the blue dotted patients, this time received the orange dotted Elmore Oil and vice-versa and did the application three times daily for another 4 weeks. All throughout the usage, they filled out their diaries (noting the degree of pain, feeling of well being (improved sleep, mobility, ability to do their daily activities at home or at work). A pre-application base line laboratory tests were done, after 4 weeks and after 8 weeks.

Inclusion Criteria:

• Diagnosed osteoarthritis based on the criteria developed by the American College of Rheumatology.

Exclusion Criteria:

• Using other forms of topical pain relief.

Population from which the cohorts will be selected are from hospital primary care arthritis clinic.