What can cause very sudden excessive sweating in women?

Things that can cause sudden excessive sweating is menopause hot flashes, diabetes or thyroird problems or acute anxiety to mention some diagnoses to think about. All of these things need an in person physician assessment, and likely further blood tests. Please make an appointment.

A symptom of pre or perimenopausal syndrome although you're relatively young for this condition unless there is family history of early menopause. I hope you have read my addendum for previous answer. Take care!

The clinical term for excessive sweating is hyperhidrosis. There are a number of causes for hyperhidrosis, including hormonal conditions such as menopause, thyroid dysfunction, as well as medications, neurological issues, psychiatric issues, just to name a few. The treatments depend on the underlying cause, so it's imperative for anyone with these symptoms to have an evaluation by a physician.