How do you decide when to switch an adult from one ADHD med to another?

This is a really common decision point, and it’s usually guided by a mix of benefit, side effects, and overall quality of life rather than a strict timeline. When someone has a partial response, meaning some improvement but not enough to meaningfully change daily functioning, I first look at whether the dose and formulation have truly been optimized. That includes making sure the dose has been titrated slowly enough, the timing matches your day, and the release type fits your needs. If benefits are clear and side effects are mild or manageable, it often makes sense to keep tweaking rather than switching too quickly. Side effects are a major part of the equation. Appetite suppression is common, but if it’s persistent, affecting weight, energy, or your relationship with food, that matters. If side effects are outweighing the benefit or require constant workarounds, that’s usually a sign the medication may not be the best fit, even if it helps “a bit.” I also look at consistency. If the medication works well some days and not at all on others, despite good sleep and routine, that can suggest the match isn’t quite right. Similarly, if focus improves but emotional regulation, task initiation, or overall functioning don’t, we may have reached the ceiling of what that medication can offer. Clinically, I’m quicker to switch when side effects are significant, when improvement is modest despite reasonable trials, or when the medication feels uncomfortable in the body. I’m more inclined to keep adjusting when there’s clear functional gain and the downsides are limited. Switching isn’t a failure. ADHD medications are idiosyncratic, and many adults need to try more than one. The goal isn’t to settle for “somewhat better,” but to find a balance where benefits are meaningful and the medication is sustainable long term.