Painful injections and bumps under the skin are common concerns for people managing diabetes with insulin. The good news is that a few simple adjustments can make a big difference!
Here are some things to check:
- Injection depth — Insulin needs to go into the fat layer just under the skin. Too shallow or too deep can Show Full Answer
Painful injections and bumps under the skin are common concerns for people managing diabetes with insulin. The good news is that a few simple adjustments can make a big difference!
Here are some things to check:
- Injection depth — Insulin needs to go into the fat layer just under the skin. Too shallow or too deep can cause pain and affect how well it works
- Needle size — Using the wrong size needle can increase discomfort
- Injection angle — Usually 90 or 45 degrees is recommended
- Site rotation — Injecting in the same spot repeatedly can cause fatty lumps (lipohypertrophy) to develop under the skin, which also affects insulin absorption
- Good injection sites — The abdomen, thighs, buttocks, and upper arms all work well
Insulin temperature matters too — injecting cold insulin straight from the fridge can sting more. Letting it warm up slightly before injecting can help.
Even experienced insulin users can develop small technique habits that cause issues over time. It's always worth asking a doctor or diabetes educator to review your technique and supplies — they can spot things that are easy to miss.
July 15
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