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Pilonidal cyst first flare up

Published 13 March 2026 ·Last reviewed 13 March 2026 by the editorial team ·How we create our content

A composite account, drawn from many real anonymised experiences. It is not any one person's story.

What this experience covers

This experience covers the first flare-up of a pilonidal cyst — that sudden, alarming swelling and pain at the top of the buttock crease that most people have never encountered before. It draws from many anonymised accounts.

A first pilonidal flare is frightening because it often comes without warning, develops quickly, and is in a location that feels embarrassing to discuss. Understanding what is happening and what to do helps reduce the panic.

The pattern

How it starts

A vague soreness or tenderness at the top of the buttock crease
Within hours to days, a firm, painful swelling develops
The area becomes red, warm, and increasingly tender
Sitting becomes uncomfortable, then painful, then impossible
Some people notice a small pit or opening in the skin before the swelling

What it feels like at its worst

Intense, throbbing pain that is constant and worsens with sitting or movement
A visible, tense swelling that may be the size of a golf ball or larger
Fever and feeling generally unwell if the infection is significant
Difficulty finding any comfortable position

What to do

See a doctor — this is the most important step. If the pain is severe and you cannot sit, go to A&E or urgent care
Do not try to pop or squeeze it — this can spread the infection
Warm compresses — may provide temporary comfort while awaiting medical attention
Pain relief — over-the-counter options as needed
Keep the area clean — gentle washing with warm water

What people wish they had known

That pilonidal cysts are common and not caused by poor hygiene
That the pain escalation can be rapid — seeking help early is better than waiting
That drainage provides dramatic relief — the anticipation is worse than the procedure
That the first flare is often not the last — learning about prevention and follow-up matters

If you are dealing with your first pilonidal flare, our chat can help you think through next steps.

When to seek urgent care

Go to A&E or urgent care if:

The pain is severe and you cannot sit or sleep
You have a fever
The swelling is rapidly increasing
You feel systemically unwell
You notice red streaks spreading from the area

When to seek care Heavy bleeding or feeling faint? Get emergency help now. Emergency: 911

Not sure how urgent it is? Get help today.

Emergency
Heavy bleeding, black tarry stools, feeling faint, severe pain or trouble breathing.

Call 911 or go to the ER.
Today
Fever, pain getting worse, a hot swollen lump, or trouble passing urine.

Call your doctor or go to urgent care.
Soon
Bleeding or bowel changes nobody has checked, or anything lasting 3 weeks.

Book a doctor’s appointment.

Feeling overwhelmed? Call or text 988, any time.

See all the signs

For this topic, get medical advice if you notice:

Severe or worsening pain
Heavy bleeding
Fever
Black stools
Fainting or dizziness
Pus or unusual discharge
Inability to pass stool or gas
Unexplained weight loss

Recording how you feel is not the same as being checked. These are the signs that need a doctor’s attention.

Call 911 or go to the emergency room now if you have:

bleeding that will not stop, a lot of blood (the toilet water turns red, or you pass large clots), or any bleeding with feeling faint or dizzy
fainting, a racing heart or trouble breathing
confusion or slurred speech, extreme shivering, no urine in a day, or blotchy skin
sudden severe belly pain, or a swollen, hard belly with vomiting or not passing stool or gas
you cannot pass urine at all, or your bladder feels full and painful and you can’t empty it
redness, swelling or severe pain spreading quickly around your anus, genitals or groin, especially with a fever or feeling very ill
a fever with a painful swelling near your anus if you have diabetes or a weakened immune system (for example, from chemotherapy or transplant medicines)
black, tarry stools

Call your doctor or go to urgent care today (or the ER if you can’t be seen today) if you have:

a temperature of 100.4°F (38°C) or higher, chills, vomiting, or feeling generally unwell
pain that is getting worse over days, or severe pain that stops you sitting or sleeping
a hot, swollen or very tender lump near your anus or at the top of the crease between your buttocks, or foul-smelling discharge
trouble urinating
bleeding that is getting heavier or more frequent, or blood mixed into your stool
feeling much more tired than usual, looking pale, or getting out of breath more easily than you used to
not passing stool for several days, or new belly pain

Make an appointment with your doctor if:

you have never had these symptoms checked by a doctor or nurse — whatever your age
you have had rectal bleeding for more than 3 weeks
your bowel movements have been looser, thinner or more frequent than usual for 3 weeks or more, or you have lost weight without trying
symptoms have not settled after a week or so, or keep coming back
you notice a new lump near your anus, between your buttocks or in your belly, or an itch or discharge that does not clear
you have new leakage or trouble controlling your bowels
you are 45 or over, or have a family history of bowel cancer or inflammatory bowel disease, and any of these symptoms are new for you

If you are unsure, it is always reasonable to ask. If things feel overwhelming, call or text 988 (Suicide & Crisis Lifeline) or chat at 988lifeline.org, any time. If you don’t feel safe, call 911.

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Discreet symptom tracking

Symptoms that come and go? Keep track, day by day.

For hemorrhoids, fissures, fistulas and other anal and rectal problems. A short, discreet email asks how things have been, and saves each answer, so you can look back at every flare and every good week in your own words. If you haven’t had your symptoms checked, see your doctor first.

About ten seconds a check-in. No app, no password.
Nothing in the subject or preview says what it’s about.
Each Sunday, a link to your week, ready for your next appointment.

Start tracking →

Your notes

Your check-in

Takes about ten seconds.

20:00

Example. Nothing on the lock screen hints at symptoms or conditions.

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