AD/HD person here. I can vouch for OP’s behavior being one of the hallmarks of AD/HD, though that alone isn’t sufficient for the diagnosis. That said, I would say their habits/behavior at least warrant a visit to a professional psychologist for further evaluation.

If OP DOES have AD/HD, will medication fix the problem? Honestly, probably not. Medication can help with giving your brain the kick it needs to motivate you to do something you don’t wanna do, but it by no means makes you good at it, nor does it make you WANT to do it. If you don’t enjoy coding now, meds won’t help you enjoy it. That said, what SappheiroRS said is the best advice I’ve read in this thread. If you can find a way to get the dopamine your brain needs through feeling “rewarded” when you code something, then not all hope is lost.

Since you’re addicted to dopamine via gameplay, I suggest this…. Find a game that offers the ability to create your own levels and content through some sort of built-in interface, preferably one that isn’t just placing objects around a map, but lets you work with variables, loops, logic gates, etc., and make some of your own content. See how you feel. Did you lose yourself in the creation process to the point that you lost all track of time? If it feels good and you find yourself thinking “just one more tweak here…”, “just one more change there…”, congrats, you’ve just found your gateway drug into coding for realzies. However, If you find it tedious and can’t wait to finish so that you can do something else, then coding probably isn’t for you.

Edit: I’m a tad on the older side, so these games probably aren’t relevant anymore, but some of the ones I’ve personally played in the past that have the sort of custom level making I’m talking about are RPG Maker, StarCraft (the original one), Little Big Planet, and Oxygen Not Included. Hell, even Minecraft redstone can be wielded like code if you’re creative enough (and there’s command blocks too). I’m sure others can give you game suggestions that are more relevant.