Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 31, 1999 relating to the financial statements and financial statement schedules, which appears in IGI, Inc.'s Annual Report on Form 10-K for the year ended December 31, 1998. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Philadelphia, Pennsylvania May 26, 1999