Rheumatic fever is a complex disease that affects the joints, skin, heart, blood vessels, and brain. It occurs mainly in children between ages 5 and 15.

Psoriatic arthritis is a rare form of arthritis. It affects both the skin and the joints.

JAS is a type of arthritis. It affects the spine and the places where the muscles, tendons, and ligaments attach to the bone.

Juvenile dermatomyositis is a rare disease that causes muscle inflammation and a skin rash. It's different from other muscle diseases because it also causes skin problems.

Fibromyalgia is a condition that causes pain in muscles and soft tissues around the body. The pain may be worse in the morning and evening.

Learn step-by-step how to give an emergency dose of naloxone nasal spray for an opioid overdose.

Here are images that show how to care for your stoma and the skin around it.

Here are images that show the steps for removing sterile gloves.

Here are images that show the steps for putting on sterile gloves.

Here are images that show the steps for irrigating your stoma.