You are spot on with lymphatic drainage and scar tissue. Electromagnetic energy may be dissipated to the scar tissue and may not work as well, additionally the chances of prolonged swelling is magnified enormously- you may have swelling that last of months and you may need postural lymphatic massage.
If you came to see me for miraDry, I personally would say lets try BOTOX first- far safer in your case, but still over 90% effective.
In Australia, Botox for excessive underarm sweating is only around 380 USD out of pocket, as it is subsidised by the government.
Dr Davin Lim
While it is not listed as an absolute contraindication, there could be significant swelling from the MiraDry. Since patients with your history do not usually have normal lymphatic flow in that area, the swelling may not drain normally and could even cause more problems like skin breakdown. Also, it may be hard to tell whether any persistent lumps or bumps in the armpit (axilla) are from the MiraDry or could be a recurrence of the cancer. In my opinion, this treatment would not be recommended with your history.
Although I absolutely believe in the treatment, miraDry, to dramatically reduce sweating there are a very few people who should avoid it. Unfortunately, significant surgery and/or readiotherapy to the are to be treated (the armpit) is a reason to avoid treatment. May I suggest a consultation with your dermatologist for Botox. It works very well, should not be a problem with your situation and is easy to have done. The downside is that it lasts, on average, 6.7 months so you will need to keep up the treatments. Be sure to check with a qualified physician before having any treatments in that area.
I would say yes there would be - I have expertise in this area as I have Board Certification from the American Board of Venous and Lymphatic Mediicine and I also perform miraDry and have done so since 2011. I would recommend that you not get it as it may well increase lymphedema in your arm. Read my miraDry book. I would recommend that you take bioflavonod formula called Lymphedema Fighter to help reduce lymphatic swelling for which you are at hgiher risk. It is available form myveinstore.com