Answer: check explanation.
Step-by-step explanation:
Before this modern day physicians, most medicine practise then were generally through traditional treatment and placebo treatment. Medicine in the those olden days make use acupunctures.
Traditionally, medicine before the modern day physicians make use of plants(Herbalism) as healing agents. Also, spiritualists such as shamans use spiritual consultations/magic to heal people. Some were lucky and got healed, some were not.
Medicines then, do not actually involve a real diagnosis. Although, olden days medicine made great progress and with it, it ushered the new way to Medicine, for example, in the tenth century, the first ever separation of conjoined twin happened in Byzantine empire.