Dopamine Increasing Drugs - How Do They Work?

How do drugs fit into this picture? So dopamine increasing drugs, certain drugs are known to stimulate massive increases in dopamine. And how does the sort of the connection between work and getting a huge dopamine surge without doing something other than taking the drug differ? Sure. Well, when you take it from an artificial substance, you get more than what would be a realistic natural level. If I won the lottery or discovered a new planet, maybe I get a very high level. And the rest of my life, I would never get that much.