Rabies immunoglobulin

[10] It is given after the wound is cleaned with soap and water or povidone-iodine and is followed by a course of rabies vaccine.

[11] Common side effects include pain at the site of injection, fever, and headache.

[10] It works by binding to the rabies virus before it can enter nerve tissue.

[10] After the virus has entered the central nervous system, rabies immunoglobulin is no longer useful.

[10][17] The horse version is less expensive but has a higher rate of side effects.