How Do You Know if a Nerve Was Hit During the Miradry Procedure?
Doctor Answers 11
MiraDry is safe - machine is reprogrammed by the company to minimize the risk of nerve injury
Even at maximal doses (level 5), the risk of injury is very very small. As a matter of fact, Miramar Labs that manufactures the machine has reprogrammed it to automatically deliver less energy at the tail end of the treatment grid to reduce the likelihood of nerve injury in thin patients.
Nerve related symptoms have been reported to be temporary
numbness and tingling sensations are rare but temporary side effects that are associated with the miradry procedure. No permanent nerve related side effects have been reported as a result of the miradry procedure.
Numbness after MiraDry
Anon, although MiraDry is a non-invasive device, it works by heating the armpit tissue at the level where the sweat glands live. You may also get some collateral injury to the sensory nerves, but this is usually temporary. There is a nerve that courses through the armpit and provides sensation to the inner arm region. This should heal with time (weeks-to-months), but I would definitely let your physician know what you are experiencing.
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Pretty normal reaction
After Miradry procedure you may experience some numbness and discomfort. It usually lasts a few day but since we performed hundreds of these procedures in our office we came across a few patients (very small number) who had these sensation for several weeks. It resolved in all patients without any intervention.
Temporary numbness after miraDry Is normal
Don't worry. It is very normal to have temporary numbness after miraDry in the underarm area and the upper arm. This can take a few weeks or even longer to resolve. You should consult with your physician who performed the procedure for a follow-up exam to ensure this is part of the normal recovery after miraDry.
Numbness is a sign that a nerve has been "stunned" by miraDry - it will recover
The energy that miraDry delivers can cause collateral damage to other structures in the armpit. For example, we know miraDry affects hair follicles, causing less hair to grow after the procedure.
Depending on the patient's body habitus and the size of their armpit, temporary numbness, tingling, or a pins-and-needles sensation can occur after miraDry. It can take several months for this to resolve, but there have been no reports of permanent damage.
Tumescent anesthesia and nerve damage with Miradry
Numbness after miraDry
Numbness after miraDry Is Temporary
MiraDry is a very safe and effective, non-invasive treatment for excessive underarm sweating.
After the procedure, common side effects include bruising, swelling, and temporary numbness and tingling of the underarms. Very rarely (a few per thousand cases), temporary numbness or tingling of the arms extending beyond the axilla occurs. In these situations, the numbness typically disappears within several weeks to months. Please be sure to maintain contact with your miraDry physician.
I hope this helps.
Larry Fan, MD
Numbness after miraDry treament is temporary
Do not be alarmed. Although numbness extending beyond the underarm after treatment is unusual, it has been seen in a few people out of the thousands treated worldwide. Numbness after miraDry is temporary. Rarely, a small sensory nerve in the underarm is irritated by the energy used to eliminate sweat glands. Typically the numbness improves within a few weeks. No treatment is needed. Please do stay in touch with your treating physician until this resolves.