Vomiting.c my gastro doc aug 12. dat was 1st available appt.every time i vomit, i urinate on myself.y does dis happen an how can i control da pee?

Increased pressure: During vomiting, the pressure inside the abdominal cavity builds up and may force the urine to come out from the bladder if you have a weaker pelvic floor muscle strength. Kegel's exercise can improve the pelvic muscle strength.

Stress Incontinence: It appears that you have some kind of Stress Incontinence, I advise you to see a Urogynecologist. Kegel exercise should help, read below: http://www.mayoclinic.org/healthy-living/womens-health/in-depth/kegel-exercises/art-20045283