Lewis & Short

pleurītĭcus, a, um, adj., = πλευριτικός, affected with pleurisy, pleuritic (postAug.): medentur pleuriticis, Plin. 27, 4, 3, § 12: passio, Cael. Aur. Acut. 2, 16, 100; Isid. 4, 6, 8.
Plur. as subst.: pleurītĭci, pleuritic patients, Plin. 20, 5, 15, § 31; Cael. Aur. Acut. 2, 16, 100; 2, 17, 102.