I Just Want to Open a Small Pharmacy in a Low-Key Way

The protagonist's soul traveled to another world and was seriously injured in bed. What's going on, I'm going to get a lunch box at the beginning? That thief woman was about to feed me poison and seek wealth and death. "Ms. Sir, drink this medicine obediently. You won't feel any pain after drinking it..." If you drink it, you will die. If you don't drink it, you may be strangled to death by the poisonous woman immediately. What should I do? Wait online. Urgent! ... I just want to open a small medicine shop in a low-key manner and spend the rest of my life as a salted fish, but my strength does not allow me to keep a low profile.