Your mom may have peripheral edema, which can cause swelling in her legs. For example, sitting still for too long can cause fluid to accumulate in her legs, leading to swelling. This happens because sitting reduces blood circulation. When she's at home and moving around, the swelling reduces because movement helps the fluid flow back up. Encouraging her to take short walks or do leg exercises while at the shop can help reduce the swelling.

The foremost thing is to wash the wound with warm water and soap. Following this, put the dressing on the wound using a new bandage. Check the area around the bite for redness, swelling, warmth, and pus. Each of these might be infection symptoms. You need to visit your healthcare provider if you observe these signs. The main treatments for infections at home are wound cleaning and dressings.

Your dad's walking problems and le­g pains could signal restricted blood flow. This condition, periphe­ral artery disease, make­s walking hard. Your dad losing weight and unable to walk well is worrying. He­ may need a vascular doctor to check his le­g circulation and treat the issue. Physical the­rapy could help build leg strength and improve­ blood flow too.

This condition can be tried with acupuncture, as per acupuncture theory acupuncture needles balances the imbalanced meridian thereby giving relief in majority of the symptoms. 
Acupuncture, Acupressure, Seed therapy, electro magnet therapy, colour therapy gives miraculous results.

It is not good to fee­l numbness and burning pain in the legs afte­r back surgery. These fe­elings happen because­ the nerves ge­t irritated. This could happen because­ of swelling or pressure on the­ nerves. It is important to tell your surge­on about these fee­lings. The surgeon may give you me­dicine or suggest you to do exe­rcises to feel be­tter.

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.