(Mishnah): Refu'ah - if he hit him, he is obligated to heal him. If sores developed, if they are due to the blow, he is obligated. If they are not due to the blow, he is exempt.

If [the wound seemingly] healed and returned, healed and returned, he is obligated;

If it fully healed, he is not obligated to heal him [any more].

(Gemara - R. Yirmeyah) Question: If sores developed around the wound [due to excessive wrapping], and returned due to the blow, what is the law?

Answer: Since it is written "v'Rapo Yerapei'' - if he transgressed the doctor's instructions [the damager is exempt, also here he is exempt].

Another Beraisa teaches "v'Rapo Yerapei'' - if dead skin arose on it, he is obligated to heal it.

(Beraisa - R. Yosi bei R. Yudan): If sores developed around the wound [due to the wound], even though the wound flared up again, he must heal him, but he need not give to him Sheves (for what flared up, only for the initial blow).

R. Shimon says, it is a Chidush of the Torah in this Parshah that he pay Sheves and Refu'ah (only these are explicit) -''Rak Shivto Yiten v'Rapo Yerapei'' (so he pays Sheves even for what flared up).