It seems you’re having a sharp pain in your leg, so this can’t be good at all. There could be several causes for a stinging hurt in your leg such as an injury, bug bite, or maybe a pulled muscle. Rest it, put some ice on if it’s swollen, and try to keep your legs up high. If it still hurts after some time or gets worse then you should see an orthopedist as soon as possible. 

The pain radiating from the lumbar region to the hip and leg is likely to be a sciatica, which is caused by irritation of the sciatic nerve. Thus it is advisable to wear proper clothes. The lipomas may also be located on your side waist. It is so important to have a thorough evaluation by an orthopedist to establish the exact cause of your symptoms and create a proper management plan. 

It's important to have this examined by an orthopedic specialist. Bone bumps can have various causes, such as injuries or growths, and a doctor can provide a proper diagnosis. Visit an orthopedic doctor who can assess the bump and recommend appropriate treatment based on your age and medical history.

Looks like you're suffering from a lot of backache. Even though Lyrica and Neurontin kinds of drugs are being taken, back pain may worsen, and this may be a brand new problem or the deterioration of what used to be. You have to meet your doctor for a check-up to diagnose the cause of the recurrent pain. Sometimes, it is necessary to change your meds or use additional treatments to reduce the pain as much as possible. 

When you have an ACL tear, it is because the ligament in your knee is overextended. In addition to resting and doing some light exercises, you should ice your knee. Although PRP or stem cell therapy could be useful for a speedy recovery, consulting with your healthcare provider on these treatments is the best way to determine the optimal care for your case.