Hyperhydrosis treatment with Botox after lymph node clearance?

Botox is a great way to help with excessive sweating of the underarms, I suggest you get clearance from your primary physician before having treatment done 

Botox is placed just under the skin for treatment of excessive sweating. This should not create any issues as long as you've healed completely following your lymph node removal. Good luck!

There would be no issue as far as safety or efficacy in using Botox to reduce underarm excessive sweating, even after breast cancer and lymph node removal. Best to speak with your dermatologist about this and other treatment options for hyperhidrosis.

I have treated people with Botox after lymph node clearance. There is no contraindication. However, it is always best to discuss any procedures, especially those that are cosmetic, with your oncologist too. "This answer has been solicited without seeing this patient and cannot
be held as true medical advice, but only opinion. Seek in-person
treatment with a trained medical professional for appropriate care."