The UK Competition and Markets Authority has ruled that several drugmakers worked together to raise the NHS price of widely-used nausea drug prochlorperazine, fining them £35 million ($47.5 million).

Not everyone should be taking a multivitamin. In some situations, they can be helpful. In others, they can lead to dangerous nutrient deficiencies or imbalances.

Most causes for waking up with a racing heart aren't serious. But some may require treatment. Learn the causes of heart palpitations and when to see a doctor.

Ritalin is one of the treatment options used for attention deficit hyperactivity disorder (ADHD). When you first start taking Ritalin for ADHD, the side effects are usually temporary. Learn more ...