In terrible pain right now because of a sunburn?

i have a really bad sunburn all over shins and its like 3 am and i cant sleep its so painful. ive tried taking tylenol pm, using vinegar, using aloe vera with a pain reliever, taking a cold bath, using cold compresses and ITS SO PAINFUL. my dads asleep and i dont know what to do. im like nearly in tears, it just itches and i feel sick and lightheaded. any advice