Any number of things, from an insect bite to a thrombosis. Go and see a doctor, make sure it's nothing serious.
could be cellulitus, or a blood clot in the leg
You can put ice or heat on your leg, this will help with your swelling.
Any type of swelling with a rear leg requires vet attention, please call your vet.
put ice on your leg when it swelling up really bad.
Left leg use.... I think.
No, the spores and bacteria are dispersed in the bloodstream. It causes a good deal of swelling and gases.
should the leg be elevated for swelling from snake biting
if you go to a hospital
The most common deficiency associated with leg cramps and swelling is potassium.
Maybe a blood clot??? Did u hit it?
Blockage of and lymph vessel is keeping the fluids (usually blood, blood that is in need of cleaning) from entering the lymph node. This blockage causes additional blood that needs to be delivered to the lymph node for filtering to back up, kind of waiting for it's turn. This back-up of blood, (and sometimes other fluids), is what causes the swelling.
High blood pressure perhaps...