Following symptoms: Nausea, frequent sweating from scalp & neck. Rash and burning mostly in chest & abdomen after briefly being in sun (going from house to car; car into store; back to car, car to house). Burning in mouth. PC Dr ck d me for dehydration after severe pain to head and dizziness, as well as skin pain throughout whole body and weakness in legs. Increased potassium. Those symptoms stopped, but still have nausea, h/a and rash. What s up?