How to Alleviate Achilles Tendon Pain?

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.

You're having a hard time with back pain and arm pain. These are signs that may be brought on by factors such as bad posture, heavy bags, or sitting in an uncomfortable position for too long. Don't forget to take a break now and then, stretch, and do some light exercises like yoga which can help alleviate the ache. Additionally, you could use a hot water bottle or take a warm bath for relief. 

The reasons behind neck pain may range from sitting too long and having a bad posture to being stressed out. If the pain is persistent, check in with yourself and take care of it accordingly.

Trauma can potentially trigger or exacerbate rheumatoid arthritis. By increasing inflammation or immune system response.

Your knee­ feels stiff after surge­ry. Your bone heals slowly. Using a cycle he­lps strengthen your knee­. You can ride slowly without pain. Yet be care­ful not to hurt yourself again. Follow your doctor's advice at all times. Cycling improve­s your movement while ke­eping safe. 

For pain relief in degenerative disc disease, 
As per alternative medicine therapy, pain is due to imbalance in the body I.e. acid/ alkali imbalance or yin or yang imbalance
So first step is to give balancing acupuncture points and then target points, when 50% pain reduction is achieved, moxibustion, cupping, electro stimulation and seed therapy, diet tips and physical exercise is given

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. 

Before medical consultation with your doctor, there are a few tests that you can get like x-ray, bone density test, blood tests, MRI or CT scan. If you visit a doctor near you they can assist you with the tests that are important for you.