Lidocaine Hydrochloride Lidocaine Hydrochloride Lidocaine
ModerateBe careful when using lidocaine with antiarrhythmic drugs like tocainide, because their toxic effects add up.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.
What to do: Ask your doctor or pharmacist before using lidocaine with heart rhythm medicines like tocainide, as their harmful effects can add up.