Anyone taking antimalarial drugs to prevent malaria who develops a fever or flu-like symptoms while taking the medicine or within 2-3 months after traveling to an area where malaria is common should call a physician immediately.
Treatment of knee pain depends on the cause of the knee pain. If you have been working on your knees all day then potentially rest and anti-inflammatories such as ibuprofen can help. If the cause is trauma and there is possible joint damage then you should seek medical attention.
Viscosupplements are doses of hyaluronic acid that are injected into the knee and into the synovial fluid. This is a relatively new form of treatment for knee OA. Viscosupplementation has become more popular and more widely accepted, and is being used to treat symptoms of mild to moderate OA of the knee.