Depending on how old your kid is, it might or it might not improve. The frontal lobe of their brain still has a lot of development left in children; right up until they’re about 25. This may improve things.
Also, please don’t be one of those parents who discounts meds. They can really help a lot. And no, they’re not addictive (in fact, people with ADHD are more likely to forget them than to use them recreationally).
Ah good. Now I know what specs not to buy.