Cheat Kusushi no Slow Life ~Isekai ni Tsukurou Drugstore~ - Vol. 10 Ch. 51 - Coddle me once in a while

[hidgepidge]

I assume Japan doesn't have a different word for "flu" as that's what I associate the "feel sick" + fever combo with.

Look online about the mouthwash stuff. Japan has iodine-based mouthwash but recent studies say that gargling with plain water beat that mouthwash.

So he's bringing garbage homeopathic medicine to that world instead of just creating an actual cure.