Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when ...

Do not cut or crush Concerta, however. Concerta and Adderall share many potential side effects. Some are serious. For instance, both drugs can slow growth in children. Your child’s doctor may ...

Side effects after Botox are usually temporary and involve swelling or bruising at the injection site. Learn what could be ...

Hannah Schweickert, a 25-year-old with ADHD, never expected a common stimulant used to improve focus to leave her body numb ...

You should know within several days of starting a new medication whether it’s effective and how well you tolerate the side effects. Dextroamphetamine and amphetamine (Adderall) is more widely ...