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Skin cyst
Skin cysts are round lumps, often filled with fluid or pus. They’re usually harmless and often do not need treatment. But see a GP if you have an unexplained lump.
Check if it’s a skin cyst
Skin cysts:
- are round lumps just underneath the skin
- often contain fluid or pus
- sometimes have a small, dark spot in the middle
- grow slowly and vary in size from smaller than a pea to several centimetres across
- can get sore or red if they get infected – the redness may be harder to see on black or brown skin
Skin cysts can form on most areas of the body, including the head, face, neck, chest and back. It’s also possible to get them on the scrotum or inside the vagina.
Non-urgent advice:See a GP if:
- you have a lump on your skin and you do not know what it is
Urgent advice:Ask for an urgent GP appointment or get help from NHS 111 if:
- you have a sore or red lump on your skin
You can call 111 or get help from 111 online.
Treatments for a skin cyst
Skin cysts do not need to be treated if they’re not causing any problems.
But treatment may be recommended if you have:
- an infected skin cyst – you may be given antibiotics
- a large, painful cyst which interferes with everyday life – for example, a cyst on your head that catches when you brush your hair
Skin cyst removal
If you have a large, painful skin cyst which is making everyday tasks difficult, you may be able to have it removed on the NHS.
If it’s not causing any problems but is on a visible part of your body, such as on your face, you may choose to have it removed. But you’ll probably have to pay for this privately.
Local anaesthetic is used to numb the area around the cyst before it’s cut out. You’ll have a small scar after the wound has healed.
You may also get new skin cysts in the future.
Important
Do not squeeze a skin cyst. If it bursts it could become infected, or if it’s already infected you might spread the infection.