Symptoms of Acute Radiation Sickness

Nausea and vomiting
Diarrhea
Skin burns (skin reddening)
Weakness
Lethargy and fatigue
Loss of appetite (anorexia)
Fainting
Dehydration
Inflammation of tissues (swelling, redness or tenderness)Hemorrhages under the skin
Bleeding from your nose, gums or mouth
Anemia (low red blood cell count)
Hair loss (usually from just the scalp)
Decrease in platelets