hi welcome to hcm.see hyperhydrosis means increased sweating there are some reason like neurologic
heat and emotion
for these treatment option are:
Antipespirant : which block the sweat gland
.aluminium chloride apply it before bed time for 10 night .
Lontophoresis: a device passes directly through skin using tap water.
Naturally : backing soda apply it then wait for 25 min then washed it absorb excessive moisture.