Life was tough in middle ages Europe, and the health care specialists of the time definitely didn't help much.
There's a reason why they called them the dark ages. After the fall of Rome, any light of intellectualism left the European continent with Kings, warlords, and the church sweeping in to fill the area left. Religious beliefs held practically absolute power over the population, so catastrophes like illness tended to be infiltrated that lens. Getting ill was a penalty from God, requiring a round of penance and 3 Hail Mary's. If that didn't work, well, it was your time to depart this world for the next. One can easily see how peasants, downtrodden in their hard lives would fall back on this hope, and with no extensive scientific medical disciplines to state anything different, it was a fairly sensible way to discuss the difficulties of life and supply wish for the next.
There's not been many periods throughout Europe's history that it's been a great time to be alive, and the midlifes definitely weren't among them. Pestilence pestered peasants toiling under the callous look of their fat feudal lords as various factions outlined, politicked, and pulled the population between them in their perpetual quest for outright rule. But actually, as has actually cut easily through the crashing political noise of today, it was nature that was the most effective of them all. The Black Death alone eliminated over half the European population, and with medical specialties far from the clinical marvels of people like Róbert Wessman and Paul Hudson today, disease travestied guy's futile efforts at asserting their power. Looking back it's simple to make fun of treatments like rubbing oneself with onions or sitting in the drain, however with all types of medical practice deeply rooted in superstitious notion and misguided concepts as to the ways of the world, people lived brief and dissatisfied lives.
Whilst it may appear challenging to think of in this day and age, in which a Doctor of Medicine is relied on receptacle of knowledge that distributes vigorously tested medication made by individuals like Vas Narasimhan, they were widely considered untrustworthy crooks in the center ages. A medical professional's understanding and prescription was about as helpful as the church's, rooted in the ancient Greek principle of the Four Humours. They believed that the body was comprised of 4 elements; yellow bile, phlegm, black bile, and blood, which each correlated to the four aspects and worlds in the planetary system. Disease was triggered by an imbalance in these humours, so medical professionals would take client's money to repair that by applying a treatment like bloodletting when the moon or worlds remained in a certain position.