 [ Symptoms ] i have a mild pain on the left side of my stomach along with fatigue and lightheadedness  i am also slightly thirsty though i am usually that way to my knowledge i do not have type 2 diabetes i am 15 weigh 205 pounds and have previously lost 25 pounds i recently took a small break from eating healthy and exercising however but have gained no weight i think it could possibly be appendicitis but i am not sure [ Disease ] if overdose is suspected contact your local poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canadian residents should call their local poison control center directly symptoms of overdose may include severe nausea and vomiting females may experience suddenunusual vaginal bleeding