• (a.) Designed to facilitate discharges of phlegm or mucus from mouth or nostrils. • (n.) An apophlegmatic medicine.
Ap`o·phleg·mat'ic adjective [ Greek ...; ... from + ... full of phlegm. See Phlegmatic .] (Medicine) Designed to facilitate discharges of phlegm or mucus from mouth or nostrils. -- noun An apophlegmatic medicine. 
apophlegmatism, apophlegmatic An obsolete term for the action of purging phlegm from the head.