. You should not use this medicine if you are allergic to it.
. Tell your doctor if you have or ever had:
- heart disease, or a heart rhythm disorder
- high or low levels of calcium, potassium, or magnesium in your blood
- trouble digesting sugar or dairy products (this tablets contain lactose and liquid form contains sucrose)
. This medicine can interact with certain birth control pills, which may increase side effects.
. Medicine is not approved for use by anyone younger than 2 years old.