When I was teaching 1st grade I was sick all the time. One year I had a low grade fever and was feeling ill but my school had too many out sick and wouldn't pay for substitutes so I had to keep going (same thing happened when I had mono for 6 months....weighed 83 lbs). This happened about 6 months after recovering from anemia. I had to sit during recess duty...too weak to stand. My skin was turning grey too. I went to my doctor who said I had walking pneumonia and gave me a 2 day doctor's note. I got worse, had my dad take me to the doctor's for a new note (too weak to stand up or eat). He took me to the wrong place (the hospital by mistake). When he went inside to call my doctor to say we'd be late I got out of the car and collapsed. I was then in emergency, threw up bright green bile, was freezing cold and waited 6 hours for them to make me blood (turned out I needed three transfusions of packed red blood cells). My hemoglobin was 5 (it is supposed to be about 15 for women). Turns out the pneumonia morphed into severe anemia and my white blood cells thought the red ones were bad and ate them up. They gave me new, baby red blood cells and they didn't get eaten anymore. They also gave me 20 lbs of IV fluids within 24 hours (this made my skin as tight as a drum and hurt like Hell). There was so much added water in my body that I was swollen like a stuffed sausage and couldn't wear flip flops or shoes for 2 weeks. I was able to stay home and recover and the school finally paid for a substitute. Cheap bastards! I was too weak to eat much for a while. Food was not an issue with this illness. My mom kept saying this was due to not eating red meat. When the doctor said that was BS I made him tell my mother so she would believe him, she never believes me. It was due to complications of a certain type of pneumonia.