Can be a symptom of Type 2 Diabetes. From NHS -
https://www.nhs.uk/conditions/type-2-diabetes/symptoms/
'Many people have type 2 diabetes without realising. This is because symptoms don't necessarily make you feel unwell.
Symptoms of type 2 diabetes include:
peeing more than usual, particularly at night
feeling thirsty all the time
feeling very tired
losing weight without trying to
itching around your penis or vagina, or repeatedly getting thrush
cuts or wounds taking longer to heal
blurred vision'