Side effects of human growth hormone injections include swelling; nerve, joint or muscle pain; numbness or tingling of the skin; carpal tunnel syndrome; and high cholesterol levels, according to WebMD. Human growth hormone injections may also increase a person's risk for diabetes and can contribute to the growth of cancer.
The Food and Drug Administration approves human growth hormone injections for conditions such as short bowel syndrome and muscle-wasting disease, which has an association with HIV and AIDS, as stated by WebMD. In children, there are a number of other uses for human growth hormone injections that have Food and Drug Administration approval. These include for the treatment of Turner's syndrome, Prader-Willi syndrome, chronic kidney insufficiency, human growth hormone deficiency and children who were born small.
The Food and Drug Administration does not approve the use of human growth hormone for performance enhancement, and the effects of human growth hormone injections on performance is not available, as of 2016, reports WebMD. Some people also use human growth hormone injections to slow aging, as the body's natural production of human growth hormone slows with age. The Food and Drug Administration has not given approval for human growth hormone injections to fight aging.