Exhibit 99

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Medical Discoveries, Inc. (the
"Company") on Form 10-QSB for the quarterly period ended March 31, 2003 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Judy M. Robinett, President and Chief Executive Officer of the Company and
principal financial officer, certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the
best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company.

 /S/  JUDY M. ROBINETT
- -------------------------------------
Judy M. Robinett
President and Chief Executive Officer
May 14, 2003



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