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.
In many cases a brown recluse spider bite will feel like nothing, and the individual may not notice until it is too late. At first the bite will exhibit no serious signs. After a few hours pain and itching may occur. Vomiting, nausea, and fever are all common symptoms associated with a severe brown recluse spider bite.