answersLogoWhite

0

A left arm may swell for a variety of medical reasons including but not limited to:

  • Infection
  • Immune system disorders
  • Injury to the arm
  • Allergic reactions
  • Blood clots
  • Cancer

It is important to seek medical attention if the swelling is accompanied by any other symptoms such as pain redness or discoloration or if it does not go away in a reasonable amount of time.

User Avatar

Lewis Streich

Lvl 13
2y ago

What else can I help you with?