Filed Pursuant to Rule 424(b)(3)

Registration No. 333-229498

PROSPECTUS SUPPLEMENT NO. 9

(to Prospectus dated March 8, 2019)

REPRO MED SYSTEMS, INC.

11,101,697 shares of common stock

This prospectus supplement No. 9 supplements and amends the prospectus dated March 8, 2019, as supplemented by prospectus supplement No. 1, dated April 29, 2019, as further supplemented by prospectus supplement No. 2, dated May 7, 2019, prospectus supplement No. 3, dated May 8, 2019, prospectus supplement No. 4, dated June 27, 2019, prospectus supplement No. 5, dated July 2, 2019, prospectus supplement No. 6, dated August 7, 2019, prospectus supplement No. 7, dated September 4, 2019 and prospectus supplement No. 8, dated October 1, 2019 (collectively, the “Prospectus”), which forms a part of our Registration Statement on Form S-1 (Registration No. 333-229498). This prospectus supplement is being filed to update and supplement the information in the Prospectus with information contained in our Current Report on Form 8-K filed with the Securities and Exchange Commission on October 14, 2019 (the “Current Report”). Accordingly, we have attached the Current Report to this prospectus supplement.

The Prospectus and this prospectus supplement relate solely to 11,101,697 shares of REPRO MED SYSTEMS, INC. common stock, par value $0.01 per share, which we refer to as our common stock, which may be offered for sale from time to time by the stockholders named under the heading “Selling Stockholders” in the Prospectus.

This prospectus supplement should be read in conjunction with the Prospectus, including any supplements or amendments thereto. If there is any inconsistency between the information in the Prospectus and this prospectus supplement, you should rely on the information in this prospectus supplement.  This prospectus supplement is not complete without, and may not be delivered or utilized except in connection with, the Prospectus, including any amendments or supplements to it.

Our common stock is currently listed on the OTCQX under the symbol “REPR.” The closing price of our common stock as reported on the OTCQX on October 9, 2019, was $3.52.

Investing in our common stock involves risks, and you should not invest unless you can afford to lose your entire investment. See the section entitled “Risk Factors” beginning on page 5 of the Prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement or the Prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this prospectus supplement is October 14, 2019.