Immediate Sterility after Vasectomy

A 2·5-ml injection of 1/1,000 solution of euflavine given down each vas during vasectomy for sterilization will destroy all sperms within the semen and eliminate the necessity for examining two consecutive specimens of semen for azoospermia after the operation. No local inflammatory response has been observed in the seminal vesicles or prostate of 81 consecutive patients in whom the method has been used.