It appears that you have recently been having some lower back pain as well as muscle pulls. These could be due to things like bad posture, overworking yourself or even just pulling a muscle while making a sudden move. To reduce your discomfort, try doing some gentle stretches, using warm packs, and resting when necessary. 

I would suggest that you should consult an orthopedist for further investigation of the health status. The X-rays reports as well the correct diagnosis of fractures are necessary for severe injury assessment. Based on the level of severity, he or she may recommend immobilization using a walking boot or cast.

The symptoms of numbness and sleepiness are concerning. These symptoms may be due to a problem with your nerves or spine. You must see a doctor as soon as possible for a proper evaluation. The drugs you have listed are good for the relief of pain, but if we want to know the exact reason for your symptoms, we must treat the underlying cause. Please seek medical attention promptly to address your concerns.

Acupuncture offers relief from chronic heel spurs and has proven record in treating calcaneal spur.
Extra bone tissue known as heel spurs which develop due to over stress of the foot can cause pain in back of heel. Electro Acupuncture points, Moxibustion, Acupressure and seed therapy have shown great relief in heel pain and inflammation. Also correction in the enlargement of heel bone is observed as the acupuncture treatment is taken on regular basis. I.e. 2-3 sessions weekly continued for a period of 1-2 months."

Swelling and itching near the bite, tired legs, and muscle heaviness are likely due to the dog bite and the vaccine. Your body might be overreacting to the vaccine. The hamstring pain in the other leg may not be related to the bite or vaccine. Use cold compresses and OTC antihistamines for itching and pain. Rest your legs and avoid physical activity to ease fatigue. If symptoms persist or worsen, consult your doctor. Ensure rabies prevention by following your doctor’s advice.