<s>[INST] I am suffering from knee pain for a long time.It happens after an interval.It happens mostly after bending the knee,such as sitting on feet,ascending/descending ladders or jump from a high (Not so high) place.Sometimes it decreases after drinking vast water or by any calcium tablet.My age is 52 now.What may be the cause/s and what is the remedy ?Please answer. [/INST] Hi. Welcome to Chat Doctor . I have gone through your query and can understand your concerns. As per your complaint you have symptoms of pain in knee which exaggerates on different movements like sitting on feet, jumping etc. It can be due to a number of causes like Traumatic injuries, Tendonitis, Bursitis, ligament or meniscus tears, Osteoarthritis,Iliotibial band syn Chat Doctor. . I would suggest you to consult an Orthopedic and get evaluated and a thorough clinical evaluation and investigations like x-ray, MRI scan or blood test can help in diagnosis and treatment can be planned accordingly. You can be advised to take anti-inflammatory painkiller like Ibuprofen, muscle relaxants like Chlorzoxasone. You can be advised to do cool compresses over the knee. Apply an analgesic ointment and put a knee cap over it. Elevate your leg while lying down. You should also avoid excessive exertion and also try to lose weight if you are overweight. You can be advised physiotherapy under supervision of a trained Physiotherapist. In case of no resolution treatments like Arthroscopy can be advised. Hope this information helps. Thanks and regards. </s>