I know i shouldnt ask this , how do you make yourself sick please answer?

i dont have an eating disorder , im not well i have a sickly feeling in my stomach and my stomach hurts , iv tried stickin my fingers down my throught 4 times now and all i am doing is heaving no sick is comin back up , i just want to feel better and want the pain and sickly feeling to go away please help or is there anyother way of getting rid of it ??