Dry Mouth Treatment More Condition_symptoms What Kind Of Treatment Is There For This?

What kind of treatment is there for this? - dry mouth treatment more condition_symptoms

My friend has developed a terrible fear of vomiting in public (which is not afraid to be sick at home or in the car when he publicly) to PPL .. it always comes in the shops or other places, it is bad panic attacks (nausea, dry mouth, palpitations, sweaty palms, excessive intake, etc.), but if it comes, it feels good. It began with an outbreak of stomach virus that months before 2nd

What kind of treatment?