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.
Brown Recluse Spider Bites. The bite of a brown recluse spider is usually painless, but may feel like a mild bee sting. Symptoms of a brown recluse spider bite include severe pain at the site of the bite that develops about four hours after the bite; followed by severe itching, nausea, vomiting, fever, and muscle pain. See a doctor immediately if you think you have been bitten by a brown recluse spider bite.