How long does an injection lump last?
Painless lump at the injection site 1 or 2 weeks later.
The lump is harmless and will disappear in about 2 months.
Call your provider within 24 hours if it turns red or is tender..
What happens if an injection hits a nerve?
Injections that occur below the deltoid muscle can hit the radial nerve and injections that are too far to the side of the deltoid muscle can hit the axillary nerve. If a nerve is hit, the patient will feel an immediate burning pain, which can result in paralysis or neuropathy that does not always resolve.
What happens if you inject insulin into a blood vessel?
Instead of the insulin being gradually absorbed into the circulation from tissue, it is immediately available in the bloodstream. This results in abnormally high insulin levels that can cause a rapid drop in blood sugar levels—hypoglycemia. If left untreated, hypoglycemia may lead to unconsciousness.
What happens if you hit an artery during venipuncture?
The needle needs to be removed and hopefully circulation will resume. Tissues deprived of blood will otherwise start to die off. If an artery is pierced, the blood pressure will be great enough to force blood into the syringe. This may not be the case with a smaller artery.
When should I worry about injection site?
Extreme Pain at the Injection Site While most people dislike the idea of a shot, it is usually quickly over and causes little pain. However, if the pain persists or worsens, you should call a doctor and have looked at.