ADHD is mainly divided into 2 subtypes - inattention and hyperactivity, given your age, it would be possibly inattention type. Given the lack of information of dosage duration of starting atomoxetine, it is difficult to determine the cause of side effects. Given its impact on norepinephrine levels, symptoms mentioned can be precipitated. Along with Fludac, again dosing and duration, drug drug interaction needs evaluation.
Next Steps
Avoid any self dosing. Consult a psychiatrist.
Health Tips
Evaluation of any comorbid medical condition should be assessed.