###Human: I experience hip, knee and back pain due to frequent masturbation. Please help. ###Assistant: Hello. Sorry about your health condition. Masturbation usually may not cause weakness or muscle problems. So do not worry, the possible causes for your problem is 1. Panic attacks or anxiety which lead to increased tension in muscles. 2. Hypocalcemia. 3. Fibromyalgia. 4. Hypothyroidism. 5. Vitamin D deficiency. 6. Rheumatoid arthritis. 7. Myositis. Still, many possibilities are there. So use vitamin E capsule like Evion 400 mg twice a day for two weeks. Use tablet Aceclofenac 100 + Thiocolchicoside 4 mg twice a day for five days. Avoid excessive masturbation as it may lead to penile mucosal injuries, lack of sex drive, etc. Eat more green leafy vegetables and fruits. Do yoga and meditation regularly to release your muscle tension. Get done hemoglobin level, thyroid profile, serum calcium, and vitamin D levels. Also, do RA (rheumatoid factor) factor, ANA (antinuclear antibody), ASO (antistreptolysin) are also useful. If symptoms are not improved please consult with your physician or rheumatologist, he will examine and treat you accordingly.