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 spiders have venom but, unless injured or threatened, they rarely bite. If you are bitten, you may not notice right away. Symptoms usually appear 2-8 hours after the bite. The most common symptom is redness around the bite and blistering.