Doctors can administer B12 shots or teach you how to inject them yourself at home. Geber86/Getty Images 2021-10-08T18:02:46Z Share. Facebook Email X LinkedIn Copy link. An icon ...

Explore the infographic below to learn how to administer self-injections for psoriasis at home. Share on Pinterest Design by Maya Chastain. Last medically reviewed on April 12, 2024.

The tissue should be displaced about an inch. This is what will give the Z-track injection the zigzag shape. Hold the needle at a 90-degree angle to the site and pierce the skin.

In some cases, a person may also self-administer an intramuscular injection. For example, certain drugs that treat multiple sclerosis or rheumatoid arthritis may require self-injection.