The Collaborative International Dictionary of English v.0.48:

Physic \Phys"ic\ (f[i^]z"[i^]k), v. t. [imp. & p. p. Physiced
   (f[i^]z"[i^]kt); p. pr. & vb. n. Physicking
   (f[i^]z"[i^]k*[i^]ng).]
   1. To treat with physic or medicine; to administer medicine
      to, esp. a cathartic; to operate on as a cathartic; to
      purge.
      [1913 Webster]

   2. To work on as a remedy; to heal; to cure.
      [1913 Webster]

            The labor we delight in physics pain. --Shak.
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            A mind diseased no remedy can physic. --Byron.
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The Collaborative International Dictionary of English v.0.48:

Physicking \Phys"ick*ing\,
   p. pr. & vb. n. fr. Physic, v. t.
   [1913 Webster]