POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints
each of Michael F. Bigham, Evan Loh, Douglas Pagan and Mehdi Khodadad, signing
singly, the undersigned's true and lawful attorney-in-fact to:

     1.  execute for and on behalf of the undersigned, in the undersigned's
         capacity as an officer or director or both of Paratek Pharmaceuticals,
         Inc., a  Delaware corporation (the "Company"), Forms 144 (and any
         amendments  thereto) in accordance with  Rule 144 of the Securities Act
         of 1933, as amended (the "Securities Act"), and Forms 3, 4 and 5
         (and any amendments thereto) in accordance with Section 16(a) of the
         Securities Exchange Act of 1934, as amended (the "Exchange Act"),
         and the rules thereunder;

     2.  do and perform any and all acts for and on behalf of the undersigned
         which may be necessary or desirable to complete and execute any such
         Form 144, 3, 4 or 5, complete and execute any amendments thereto, and
         timely file such form with the U.S. Securities and Exchange Commission
         (the "SEC") and any securities exchange or similar authority; and

     3.  take any other action of any type whatsoever in connection with the
         foregoing which, in the opinion of such attorney-in-fact, may be of
         benefit to, in the best interest of, or legally required by or for,
         the undersigned, it being understood that the documents executed by
         such attorney-in-fact on behalf of the undersigned pursuant to this
         Power of Attorney shall be in such form and shall contain such terms
         and conditions as such attorney-in-fact may approve in such attorney-
         in- fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in- fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted.

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with Rule
144 of the Securities Act or Section 16 of the Exchange Act, and the rules
thereunder.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 144, 3, 4 or 5 with respect to
the undersigned's holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 14th day of April, 2015.


                                    /s/ Adam Woodrow
                                    -------------------------
                                    ADAM WOODROW