remittent

Mild or remittent disease may, sometimes, be safely left untreated.

"Sponge isn't the drug, of course, it's the remittent agent.

His thesis was titled "Intermittent and Remittent Fevers".

I bethought myself to go upstairs and see how the dying woman sped, who lay there almost unheeded: the very servants paid her but a remittent attention: the hired nurse, being little looked after, would slip out of the room whenever she could.

In all instances where life is in danger from a return of a paroxysm of intermittent or remittent fever, the patient can be rescued from immediate danger by giving Quinine in doses sufficient to prevent a return of the paroxysm.