Hm. Well I guess that is one inherant danger in eating Katsu Curry. Did you get the Triple XXX hot version they have at On the Bridge?

And I almost forgot -- Iroha on Buchanan (near Japantown) is good. And Hukilau (Masonic/Geary) has great Chicken Katsu Loco Moco. Which isn't curry, but if you replace "curry" with "brown gravy" and throw a hard boiled egg on top you'd have enough food to kill a lesser man.