I am stressed out and my hands tend to sweat when going for an interview or even when typing this, it's always embarrassing me, tell my why?

Therapy?: I hear a great deal of anxiety in your question. Have you yet tried any form of psychotherapy? Typically, the optimal combination of things to treat emotional issues such as anxiety or depression is medication (which, on your best day, is supposed to take the edge off symptoms) but the real gruntwork takes place in psychotherapist's consulting room.

Different people: experience stress and anxiety in different ways. Sweaty palms is a common way that some people's body's react 2 stress. Everyone gets nervous when going for job interviews. It would be advisable 2 learn some relaxation techniques 2 help U prepare for job interviews and reduce the stress U R feeling so that U can make the best impression possible. U could even learn some via a HealthTap Concierge

Hyperhidrosis: Hyperhidrosis is a condition where there is excessive sweat production on the palms and feet usually increased in response to stress. There are many treatments available for this. Please see your Family Doctor to discuss this and for referral to a Dermatologist. One thing you can try in the meantime is to apply a clear underarm antiperspirant to your palms daily.