Cortisone Injection vs Cyst Removal

Cortisone Injection: A tiny shot of diluted steroid into one inflamed acne cyst. It flattens that spot in a few days. It treats the bump, not the acne.

Cyst Removal: An office procedure to take a skin cyst out. Draining one empties it for a while. Removing the sac is what stops it coming back, and an inflamed cyst is usually settled down first rather than cut out on the spot.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist
Last updated: 10/22/2026

Editorial illustration for Cortisone Injection, based on the entry’s treatment or equipment reference.

Editorial illustration for Cyst Removal, based on the entry’s treatment or equipment reference.

Choose if Key differences What is it?What it treats Treatment areas Skin tones How it works Before your treatment Day of treatment After your treatment Risks Cost Questions Related

Choose Cortisone Injection if…

Choose for one painful acne cyst that needs to flatten fast, or for keloids and patchy hair loss.

A single painful cyst before an event
A raised keloid
A patch of alopecia areata

Choose Cyst Removal if…

Choose to remove a cyst for good — ideally once it's calm, not while inflamed.

A cyst that keeps filling or getting inflamed
It's not currently red and swollen
You can care for stitches for 1–2 weeks

Often combined

Can you have both?

A cortisone injection is often used first to calm an inflamed cyst. Removal is then done a few weeks later once it has settled.

Key differences

● Cortisone Injection

● Cyst Removal

DowntimeNone → 2+ weeks

None

1–2 weeks

PainMinimal → Needs anesthesia or sedation

Mild

Results showImmediately → 3+ months

Within days

Immediately

How long it lastsWeeks → Years or permanent

Weeks

Years or permanent

Visits neededOne → Every few months

Every few months

One

Cost per visit$ → $$$$$

ReversibleYes, can be undone → No, permanent

No, permanent

What is it?

Cortisone Injection

Cyst Removal

What is it?

It is injected into a lesion.

An intralesional steroid calms local inflammation or scarring.

It differs from joint injections.

It is not a systemic steroid treatment.

The diagnosis matters.

Infected or uncertain lesions should not be injected.

Side effects can last.

Skin thinning, fat loss and pigment change may persist.

It removes the cyst wall.

The aim is to remove the wall as well as its contents.

Draining is not removal.

Drainage relieves pressure but is not definitive.

Inflamed cysts may be staged.

Infection may need treatment before excision.

Unusual lumps need review.

Hard or changing lumps should not be assumed to be cysts.

What it treats

Evidence level

Cortisone Injection

Cyst Removal

Strong evidenceMost established uses

Acne

Flattens a painful cyst within days.

A raised, smooth, firm scar on the upper chest on light skin. It is shiny pink-red and hairless, and its edges spread well past the small mark it grew from.

Keloids

Softens and flattens raised scars.

Alopecia Areata

Regrows hair in patches.

A smooth, dome-shaped lump about two centimetres across on the upper back on pale skin, with a tiny dark pore at its center and faintly pink skin over it.

Epidermal Inclusion Cyst

Removes the sac to prevent return.

Lipoma

Cuts out soft fatty lumps.

Moderate evidenceSome supportive research

Epidermal Inclusion Cyst

Calms an inflamed cyst.

—

Little evidence

—

An inflamed lump in the armpit on fair skin. The skin over it is swollen, shiny and red, with a pair of small blackhead-like openings in the skin beside it.

Hidradenitis Suppurativa

Lumps return without wider surgery.

Not effective

dark keratin plugs in dilated pores on the nose and adjacent left cheek, with the face turned to the person’s right on light skin.

Blackheads

Not for clogged pores.

Acne

Acne cysts need medical treatment.

Can make it worse

Acne Scarring

Can cause dents in skin.

—

Treatment areas

The specific lesion, scar or affected patch determines the treatment site; there is no fixed body distribution.

Skin tones

Skin tone

● Cortisone Injection

● Cyst Removal

Lighter skin

Low risk

A small dent is possible.

Low risk

A fine line scar.

Medium skin

Some risk

Lighter patches can show.

Low risk

Scar fades over a year.

Deeper skin

Some risk

Lightening and dents are more visible; low doses help.

Some risk

Raised or keloid scars are more likely, especially on chest and shoulders.

How it works

Cortisone Injection

Cyst Removal

How it works

Cortisone Injection mechanism diagram. Medicine is placed in a lesion: A clinician injects an appropriate corticosteroid preparation. Inflammatory signaling decreases: The steroid reduces local immune and inflammatory activity. The lesion may soften or flatten: Response depends on the condition, dose, and placement.

Cyst Removal mechanism diagram. The cyst is assessed: Diagnosis and inflammation guide the removal plan. The cyst wall is addressed: A clinician removes the sac when appropriate. The wound heals: Complete lining removal reduces recurrence; a scar remains.

Diagram explanation

Medicine is placed in a lesion: A clinician injects an appropriate corticosteroid preparation. Inflammatory signaling decreases: The steroid reduces local immune and inflammatory activity. The lesion may soften or flatten: Response depends on the condition, dose, and placement.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

The cyst is assessed: Diagnosis and inflammation guide the removal plan. The cyst wall is addressed: A clinician removes the sac when appropriate. The wound heals: Complete lining removal reduces recurrence; a scar remains.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

Before your treatment

Cortisone Injection

Cyst Removal

The week before

Do not pick: Do not pick, squeeze or heat the spot.

A few days before: Do not squeeze: Squeezing or picking inflames the cyst and can get the procedure postponed.

Day of treatment

Cortisone Injection

Cyst Removal

Before you arrive

Clean skin: Wash your face and skip makeup on the area.

What to wear: Clothing that gives easy access to the area.

Arrival & prep

The provider checks that the spot is an inflamed acne cyst and not a boil.

The lump is examined, sometimes photographed, and marked in the position that shows it best.

Treatment

The skin is wiped with alcohol.

A very fine needle goes just into the bump and a small amount of fluid goes in, under 10 seconds per spot. The sting is sharp for a few seconds, worse if the cyst is already tender, but most people rate it lower than they expect. Numbing does not help much — the needle stick is the whole procedure.

The skin is cleaned and a cut made over the cyst, often a narrow ellipse taking in the surface pore.

The sac is teased free and lifted out, whole or emptied first, and stitches close it, sometimes in two layers. Numbing to dressing is about 20 to 30 minutes. Expect pressure and tugging, not sharpness. Say so if anything feels sharp.

Before you leave

A tiny red dot, sometimes a small raised bleb that flattens within an hour.

A dressing goes on and you go home.

After your treatment

Cortisone Injection

Cyst Removal

First 24 hours

Days 1 to 2: The bump softens and the ache fades.

Days 1 to 3: Keep the dressing dry.

Days 2–7

First few days: A pinprick mark, sometimes a small bruise, fading over a few days.

Days 3 to 7: Most cysts are flat.

Days 5 to 14: Face stitches come out around day 5 to 7, body or back stitches around day 10 to 14.

Weeks 2–4

Not specified

Weeks 2 to 6: The scar gets firmer, lumpier and pinker before it improves — healing tissue, not the cyst returning.

Time to results

24–48 hours for a cyst

Immediately

How long results last

Treats only that spot

Permanent if the whole sac is removed

Risks

Dent in the skin
Lighter patch of skin
Visible small vessels

The bump is returning
The scar is thickening
The wound is opening
A numb or tingling patch
Stitches that will not come out

Cost

Per session

Roughly $50 to $250 per office visit in the US, usually billed as an office visit plus a procedure charge rather than per spot.

In the US, removing a straightforward cyst is usually a few hundred dollars in a dermatology or family practice office; larger cysts, facial cysts and hospital settings cost more.

Insurance

Insurance often covers it, since acne cysts count as medical rather than cosmetic.

Insurance frequently covers removal when the cyst is symptomatic — painful, inflamed, infected, growing or catching on clothing — and documented as such.

Questions

Cortisone Injection

Cyst Removal

Individual Questions

How fast does a cortisone shot work on a cyst?

Softening begins within 24 to 48 hours and most spots are flat by day three to five. That figure traces back to one small 1983 trial — it matches what dermatologists see but has never been tested at scale. The mark left behind takes weeks longer, and the injection does not speed that up.

Will it leave a dent?

It can. A shallow depression happens when the dose is too strong, so a lower concentration is the main protection. It is uncommon — most dermatologists see it in well under one patient in a hundred — and it often fills in over several months. But it is not reliably temporary. About half the clinicians who do see it report it lasting more than six months, and occasionally it is permanent. That is why you ask what concentration is being used.

Can I get one before an event?

Yes, the most common reason people ask. Aim for three to five days ahead so the swelling has time to drop. A same-day injection rarely looks better by that evening.

Does it stop acne from coming back?

No. It treats only the spot it is injected into. Preventing the next cyst needs a daily treatment plan, and the guidelines call this an add-on.

Is it safe on deeper skin tones?

Yes. The risk is a lighter patch at the site, more noticeable and slower to fade on deeper skin tones. A lower concentration reduces it, so ask.

Is this approved for acne?

Not in the United States, strictly speaking. The FDA labeling lists intralesional use for keloids, alopecia areata, discoid lupus and others. Acne is not on it. Off-label use for an acne cyst is routine, legal and recommended by the American Academy of Dermatology, but almost nobody says it out loud. In the UK, NICE withdrew its recommendation in 2026 after UK-licensed triamcinolone injections stopped being available — a supply and licensing decision, not a safety one.

Why does my cyst keep coming back after being drained?

Draining empties the contents but leaves the sac wall, and the wall keeps producing what fills it. Removing the wall ends it. A cyst drained several times is a good candidate for planned removal once quiet.

Does cyst removal hurt?

The numbing injection stings for under a minute. After that, pressure and pulling but not sharpness, and more anesthetic can be added any time. Expect a dull ache for a day or two.

Will I have a scar?

Yes. Every removal leaves a line, usually longer than the lump looked, because the skin has to open enough to lift the sac out whole. Where it sits and how it is closed decide how noticeable it stays.

Can it be removed while it is inflamed?

It can, but most providers avoid it. Inflamed tissue numbs poorly, bleeds more, tears the wall into fragments easy to leave behind, and heals into a wider scar. The plan is usually to settle it now and remove it in a few weeks or months.

Is it sent to the lab?

Often, and it is reasonable to ask. It confirms what the lump was, which matters because not everything that feels like a cyst is one.

Does insurance cover it?

Frequently, when the cyst is painful, inflamed, infected, growing or catching on clothing, and that is documented. Removal only for how it looks is usually cosmetic and out of pocket. Ask the office to check before the visit.

Dermapedia on YouTube