Do mushrooms cause hepatitis?

Some can. Amanita phalloides and others (a. Virosa, a. Verna, a. Bisporigera, galerina autumnalis, g. Marginata, g. Venenata, lepiota helveola) are associated with potentially fatal hepatitis. These are fairly uncommon varieties and wouldn't be found in stores. In general, wild mushrooms should not be consumed.
Yes. poisonous mushrooms has a lethal toxin which kills by liver & kidney failure.
Edible mushrooms do not cause hepatitis.