Side Effects

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Side effects reported by 5% or more of teens (13-17 years) taking Mydayis and that were at least two times as frequent as patients taking placebo in a 4-week clinical trial.

Side effects of Mydayis in adolescents: decreased appetite, insomnia, nausea, irritability, decreased weight.
Potential Side Effects of Mydayis

Safety data is from 1 controlled trial (dose-optimization study) with 78 adolescent patients exposed to doses of 12.5 mg to 25 mg of Mydayis.

Most events of insomnia, weight decrease, and decreased appetite occurred early.

In this trial, 5% (4/78) of Mydayis-treated patients discontinued due to adverse reactions compared to 0% (0/79) of placebo-treated patients. The most frequent adverse reactions leading to discontinuation were dizziness (1%), depression (1%), abdominal pain upper (1%), and viral infection (1%).

The most common adverse reactions (incidence ≥5% and at a rate at least twice placebo) in adult patients (18 to 55 years) with ADHD were insomnia (31% Mydayis, 8% placebo), decreased appetite (30%, 4%), dry mouth (23%, 4%), decreased weight (9%, 0%), increased heart rate (9%, 0%), and anxiety (7%, 3%).