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.
Allergic reactions to spider bites include swelling, anaphylaxis, a lightheaded or dazed feeling, hives or itchiness and diarrhea or stomach cramps. A swelling may occur in the lips, eyes, cheeks and even your feet after a spider bite.