EXHIBIT 23.3 CONSENT OF LAZARD FRERES & CO. LLC March 30, 1999 The Board of Directors Medscape, Inc. 134 West 29th Street New York, New York 10001-5399 We hereby consent to the reference to the opinion of our Firm in the Proxy Statement. In giving such consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act of 1933 or the rules and regulations of the Securities and Exchange Commission thereunder. Very truly yours, LAZARD FRERES & CO. LLC By /s/ STEPHEN H. SANDS ------------------------------- Stephen H. Sands Managing Director