Suggest remedy for rashes under the armpits
It seems to be Heat Rash.
Welcome to HCM.
I appreciate your concerns.
From your picture it looks like rash appeared due to heat exposure..Humid weather.
Dont worry it will take afew days to relief.
I shall advise you to-
Wash the arm pits regularly with soap.
Apply ketoconazole powder.
Take tablet doxycycline as antibiotic.
Your doctor will know the dosage.
Hope this is helpful.