It is not uncommon to have some swelling after miraDry but you shouldn't see swelling in your limbs. I would discuss with your doctor and have him or her to an exam.
13! That's cool. I ve BOTOXed and miraDry 12 year olds- just as long as you are calm, cool and collected, with parental consent, we can either perform Botox or MiraDry for underarm sweating. In fact for treatments such as sweaty hands and feet, we even have 7-8 year olds. Iontophoresis is...