He has the sallow, drawn countenance associated with an overactive thyroid gland.
I apologize if I look tired if my eyes are red if my complexion is sallow.
Antonyms
Periodical prosopalgia, especially after checked ague; face sallow; great thirst.
Crot - Skin cold, sallow, icteric; boils and carbuncles; mottled, purplish.