Hi, I am a runner and i run about 4 miles 5 days a week, recently about 6 months ago i bent my lefet ankle and i had the next day a strong pain in the inner part of my knee for a while, then i rested and i feel better, i can run but still feel the pain every time i run, i am 56 years old, i take alprazolan .5 mg, toprol, lisinopril for colesterol, sevastin, pavlix, and aspirin(cause i have stems), can i take instaflex for my knees ?