1. Abbreviation for Certified Registered Nurse Practitioner. The definition information for CRNP is provided by Stedman's. You can search our medical dictionary here.he definition information for CRNP is provided by Stedman's. You can search our medical dictionary here.
1 Other symptoms include fever, chills, nausea, vomiting, muscle aches and hemolytic anemia (a condition where the red blood cells are destroyed).  People bitten by an unseen spider sometimes blame the brown recluse spider because their bite resembles a brown recluse spider bite.
Spider bites that: Cause cramping of muscles in the area of the bite, generalized cramping of muscles, nausea, vomiting, abdominal pain, chest pain, difficulty breathing & tremor (black widow). Or The surrounding skin becomes hard, swollen & can be red, white & blue.