The shot, which is injected directly into an acne cyst or nodule, typically contains a small amount of a steroid, such as triamcinolone (Kenalog), a powerful anti-inflammatory.
Cysts and nodules may take weeks to resolve on their own. A steroid injection can reduce the swelling, redness and pain in a few days.
While this procedure can be quick and effective, there’s a possibility of side effects. These include:
You can get multiple injections in one session, with each injection going to a different area. You must wait about 6 weeks between injections in the same spot.
These injections are meant to be an occasional treatment for specific cysts and nodules. It’s not meant to be a regular part of your acne treatment or skin care regimen.
Acne is usually caused by your skin’s pores becoming clogged with dead skin cells and oil. Bacteria, such as Propionibacterium acnes (P. acnes), is also often involved.
Sometimes a clogged pore breaks deep inside the skin forming large tender, painful bumps known as cysts (pus filled bumps) or nodules (inflamed bumps). These bumps can last for weeks or longer.
Cystic acne, like other acne, is caused by the interaction of a number of different factors:
Other treatments your dermatologist may discuss with you include:
While cortisone injections aren’t meant to be used as a regular acne treatment, they can be very effective with cystic acne.
If you have large, red, painful bumps deep in your skin that don’t form a head, you may have cystic acne. Consult with a board-certified dermatologist about recommended treatments, including cortisone injections.
Also check with your insurance regarding coverage. Some policies may classify cortisone injections as a cosmetic treatment and not cover them.
Last medically reviewed on September 4, 2020
