In short
Cellulitis is a skin infection that's treated with antibiotics.
What it is1
Cellulitis is an infection of the skin and deep underlying tissues.
MedlinePlus
Worth knowing5
Cellulitis makes your skin painful, hot and swollen.
NHS websiteYou can get cellulitis on any part of your body but it's more common on your lower limbs.
NHS websiteCellulitis in your eye is very serious.
NHS websiteYou cannot catch cellulitis from another person, as it affects the deeper layers of the skin.
NHS websiteIf cellulitis is not treated quickly, the infection can spread to other parts of the body, such as the blood, muscles and bones.
NHS website
What helps3
For mild cellulitis affecting a small area of skin, a doctor will prescribe antibiotic tablets, usually for a week.
NHS websiteIt's important to keep taking antibiotics until they're finished, even when you feel better.
NHS websiteRaising the affected body part on a pillow or chair while sitting or lying down can reduce swelling.
NHS website
Get help right away if1
Call 911 or go to the emergency room if cellulitis comes with a very high temperature or feeling hot, cold or shivery; a fast heartbeat or fast breathing; purple patches on the skin; feeling dizzy or faint; confusion; cold, clammy or pale skin; or unresponsiveness. These are symptoms of serious complications.
NHS website
See a provider if1
Get care soon if your skin is painful, hot and swollen. Early treatment with antibiotics can stop cellulitis becoming more serious.
NHS website
Sources
- NHS website: Cellulitis (adapted; Open Government Licence v3.0), as at 13 October 2026
- MedlinePlus, National Library of Medicine: Cellulitis
Contains public sector information licensed under the Open Government Licence v3.0.
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