Pain Event of Painful Episode Pain due to the blockage of the blood vessels from the sickled cells. The pain occurs most frequently in the arms, legs, back, and abdomen. The pain can last as little as a few minutes or as long as several weeks. The presence of infection in the bloodstream. When a large portion of the blood becomes trapped in the individual's spleen.
Symptoms are paleness, enlarged spleen, and pain in the abdomen.
The bacteria that causes pneumonia. Jaundice Yellowing of the skin and eyes, results from rapid breakdown of red blood cells.