a folk cure; a medicine of doubtful efficacy
I wouldn't put much faith in the silly nostrum you got from that phony doctor: go to a real doctor and get some real medicine.
nostrum remedium (our [nostrum] remedy) (Latin)
put RUM in the NOSTrils. to cure cold. ? - questionable medicine key NOSE-DRUM when i took nedicine my nose took the shpa eof drum than i asked myslf was this the right medicine th i took ===="questionable"