Its not like that. Any selective Cox2 inhibitor will do the job.

It's good to hear that your blood tests are normal, but the swelling in your ankle and the dent in your leg might still need attention. This could be due to fluid retention, high salt intake, or prolonged sitting and standing. I recommend visiting a general physician or a vascular specialist to rule out any underlying conditions. It's important to address your anxiety as well, and they can guide both.

YES, your FATHER can have a hip replacement surgery.. However, his weight and lung problems can increase the risk of complications during and after the surgery. He will need to work closely with his doctors to prepare for the surgery and manage his conditions. Losing weight and improving lung function before the surgery can help reduce the risk of complications and improve the outcome.. It is important that he follows his doctor's advice and instructions for a safe and successful surgery..

You might have twisted your knee again while playing badminton. Aching dull pain when you try to straighten or tighten your knee could mean the ligament has been pulled too hard. It’s great that you can still walk and go upstairs. To let it get better, you should rest as much as possible, put your leg up from time to time, and avoid doing anything too hard for a while. 

It is a common issue among patients after the patellar tendon repair to have to deal with a burning sensation and tenderness. This may inflammation or irritation in the specific area of the operation as it is healing. These signs are normally a part of the healing process and are not the right indication of the recurrence of the tendon. To relieve the pain, you can wrap your leg with an elastic bandage and put it on the top of the pillows. Strictly follow your post-op care instructions and attend the follow-up appointments to let your doctor track your recovery.