How do you help the sick shopkeeper? I've made the potion but I couldn't meet the shopkeeper
You have to wait three days and go there during the day (not at night)
Are you positive you made a potion? Many people do this mistake but Heat Occisia is but one of the ingredients, not a potion or cure.
Oh my God what is the potion I should make using heat occisia?
Keep in mind you will have to make at least 10 more of these, possibly much more later on in the story so always keep 5 in your inventory. But the recipe is:
Pulp (Blue)Heat OccisiaPulp (Blue)Heat OccisiaPulp (Blue)
Also remember that you WILL gonna need some when visiting a new place called Mythshore
