Hello Mr. Jay,
Good morning. Swelling in the body can result from accumulation of fluid in the body, also called a edema.
Edema can result from numerous causes, kidney
malfunction, drugs like the one used to treat high blood pressure
, endocrine diseases like hypothyroidism
, liver diseases like liver cirrhosis
. You should be seeing a MD medicine doctor who should guide you to a proper tests done and follow it up.