Is it a sign of illness I would also recommend a doc for either prescription deodorant or botox to decrease the sweating. Unilateral hyperhidrosis is rare and should prompt a thorough review for potentially serious underlying etiologies
Why We Believe "Start With Why" is Essential Reading
Available treatments for unilateral hyperhidrosis secondary to mesothelioma are limited and its presence as a symptom usually.
Unequal sweating in armpits is often due to factors like genetics, nerve activity, or underlying medical conditions
Sweating is a natural process that helps regulate body temperature However, many people notice that one armpit seems to sweat more than the other This phenomenon can be puzzling and even concerning for some. There are pads that you can put in the one armpit (some people use a literal maxi pad but there are washable ones)