Give yourself a carrot.
Adults with ADHD tend to get distracted easily; to be more efficient, set mini-deadlines during the day with incentives for meeting them, such as indulging in a latte when you wrap up a project.

Nix sneaky triggers.
Allergies can impair anyone's concentration, but mixed with ADHD, they deliver a double whammy, notes Ronald Parks, M.D., a psychiatrist in Asheville, North Carolina, who specializes in ADHD. Getting treated for them can help alleviate fuzzy thinking. Low amino acid levels may also affect symptoms, so ask your doctor about amino acid supplements.

Tune in.
Notice your thoughts when doing everyday activities. Are you mulling over that argument with your sister while reading the paper? Nudge your attention back to the page. In time, staying sharp will become a habit.