The tablet alleviated the pain, and the patient was soon feeling much better.

mitigated : make (something bad) less severe, serious, or painful.
moderated : make or become less extreme, intense, rigorous, or violent.
removed : take (something) away or off from the position occupied.
lightened : make or become lighter in weight, pressure, or severity.
alleviated : make (suffering, deficiency, or a problem) less severe.


Synonym of alleviated is mitigated