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Average User Rating:
Humalog, 2.50 / 5 (2 votes)

Humalog Side Effects

Humalog may cause adverse side effects. Tell your doctor if the following symptoms appear:
  • redness, swelling, or itching in the place where you injected Humalog
  • changes in the feel of your skin such as skin thickening or a little indentation in the skin
  • swelling of the hands and feet
  • weight gain
  • constipation
Some adverse side effects can be quite serious:
  • rash and itching
  • difficulty breathing
  • hives
  • wheezing
  • fast heartbeat
  • sweating
  • weakness
  • muscle cramps
  • abnormal heartbeat
  • pharyngitis
  • rhinitis
  • accidental injury
  • asthenia
  • bronchitis
  • dysmenorrhea
  • myalgia

    Been taking Humalog mix 75/25 for about three years. never worked very well, and leg cramps happened soon after starting. recently shaking, feet swelling, breathing difficulty, generally feeling ill all over. STOPPED TAKING and all bad reactions are slowly getting better.


      Bonnie I have had all those symptoms even stomach cramps with stomach swelling weight gain, I ask my doctor if I can get off and go back to metformin, he said no. How did you convince your doctor to take you off? Want to feel better.


    I have been taking Humalog mix 75/25 for about 15 month’s. I have had all the symptoms, swelling arms, hands, feet, cramps,
    itching, ringing in my ears, severe numbness. I am not getting any better yes my lab is, but my body is not I can’t walk, or exercise
    without severe pain after, I use to be able to walk five miles a day. I will stress to my physician again if my labs get to six if we
    can get off insulin and start metformin again.

    • Jason Teague

      Yes I have had the same things occurred with me cramps real bad in my legs and my stupid insurance won’t let me get Apitra was ok I think I need to go back to pill form and to honest it’s the insulin that making us worse not better smh