miraDry
miraDry treats the underarm. The handpiece sits on numbed skin and heats the sweat glands below it.
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Dermapedia / CompareProcedures
Miradry vs Botox
MiraDry destroys the sweat glands under your arms, so the result is meant to be permanent. It uses microwave energy, and most people need one or two treatments. Botox blocks the nerve signal that switches those glands on, so the result wears off. It is a set of small injections that lasts several months before you repeat it. The real choice is between something permanent that you cannot adjust and something temporary that you can.
At a glance
| The difference | miraDry | Botox for Sweating |
|---|---|---|
| What it does | Destroys the sweat glands | Switches the glands off |
| What it treats | Underarms | Underarms, hands, feet, head |
| What it feels like | Numbing injections, then heat and pulling | Many small stings |
| Downtime | Swollen and sore for days | None to speak of |
| Cost | High once, or twice | Lower each time, forever |
Botox for Sweating
Botox goes into the muscle with a very fine needle. Most visits take about ten minutes.
Side by side
The differences that matter
What it does
miraDry
Destroys the sweat glands
A handpiece pulls the skin up by suction and heats the layer where the glands sit. The glands are damaged for good and do not grow back.
Botox for Sweating
Switches the glands off
The toxin blocks the nerve messenger that tells sweat glands to work. The glands stay there, unused, until the effect fades.
What it treats
miraDry
Underarms
Sweat, and usually odour and underarm hair too, since those structures sit at the same depth.
Botox for Sweating
Underarms, hands, feet, head
It can be used almost anywhere sweating is a problem, which MiraDry cannot.
How soon it works
miraDry
Right away, then better
Sweating drops immediately, and the final level settles over about three months.
Botox for Sweating
Two to seven days
Full effect by about two weeks.
How long it lasts
miraDry
Meant to be permanent
Sweat glands do not regenerate. Some people still need a second treatment to get the reduction they want.
Botox for Sweating
Around four to six months
Some people get longer. You book again when sweating returns.
How many visits
miraDry
One or two
A second session, about three months later, is common rather than a sign something went wrong.
Botox for Sweating
Two or three a year, ongoing
For as long as you want the result.
What it feels like
miraDry
Numbing injections, then heat and pulling
Several anaesthetic injections into each armpit first, which is the sore part. Then about an hour of suction, warmth and cooling.
Botox for Sweating
Many small stings
Around fifteen to twenty tiny injections per armpit, just under the skin. It takes minutes. Numbing cream or ice helps.
Downtime
miraDry
Swollen and sore for days
Expect swelling, tenderness and a sunburnt feeling once the numbing wears off. Most of it settles within a week. Lumpiness under the arm can linger for a few weeks.
Botox for Sweating
None to speak of
Some bruising or tenderness at the injection points. People go straight back to work.
Main risk to know
miraDry
Numbness and tingling
Altered sensation in the underarm or upper arm is common and usually settles within weeks. Lasting nerve irritation is rare but has been reported. Permanent hair loss in the area is expected, not a complication.
Botox for Sweating
It is temporary, and needles are involved
Bruising and short-lived soreness. When used on the palms, temporary weakness in the hand grip can happen. It does not happen with underarms.
Cost
miraDry
High once, or twice
A large upfront cost, then in principle nothing more.
Botox for Sweating
Lower each time, forever
Cheaper per visit, repeated two or three times a year. Over several years the running total can pass what MiraDry costs. Ask about insurance, since injections for diagnosed excessive sweating are sometimes covered when antiperspirants have failed.
The at-home or drugstore version
miraDry
There is none
No home device delivers microwave energy to that depth. Nothing sold for home use destroys a sweat gland.
Botox for Sweating
Clinical-strength antiperspirant
An aluminium chloride antiperspirant applied at night plugs the sweat ducts at the surface. It is the honest first step for both, it is cheap, and for many people it is enough. It irritates some skin.
Who each suits
miraDry
- Best for — Heavy underarm sweating you want dealt with once.
- The trade — You accept a sore week, and that it cannot be undone.
Botox for Sweating
- Best for — Sweating in more than one place, or a first try before committing.
- The trade — You keep coming back, and you keep paying.
Permanent versus adjustable
miraDry
MiraDry's strength is also its catch. The glands are gone. If the result is uneven, or you wanted less reduction than you got, there is no way back.
Botox for Sweating
Botox's weakness is also its safety net. If you dislike anything about the result, you wait a few months and it is gone. That makes it the lower-risk way to find out how life feels without underarm sweating.
Many dermatologists suggest trying Botox first for that reason. One round tells you whether the problem is worth a permanent fix.
Common questions
Questions Patients Ask
Is miraDry better than Botox for sweating?
It depends what you want. MiraDry is meant to be permanent and treats only the underarms. Botox lasts a few months, works anywhere, and can be stopped at any time.
Is miraDry really permanent?
Sweat glands do not grow back, so the reduction should last. Some people still need a second treatment to reach the level of dryness they wanted.
Which one costs less?
Botox costs less per visit but is repeated two or three times a year. Over several years the total can pass what miraDry costs once.
Does miraDry hurt?
The numbing injections are the sore part. The hour of treatment feels warm and tight, and the underarms are swollen and tender for several days afterwards.
Will I sweat more somewhere else?
Some people notice a little more sweating elsewhere with either treatment. It is usually mild, because underarm glands are only a small share of the total.
Should I try Botox before miraDry?
Many dermatologists suggest it. One round shows you what life without underarm sweating feels like, and it wears off if you do not like it.