Silvadazin Silver Sulfadiazine Phenytoin
ModerateThis mostly matters if you have a burn over a large area of your body. In that case, enough of the sulfadiazine in Silver Sulfadiazine cream can get into the blood to reach levels close to those of a medicine taken for treatment. When that happens, phenytoin may work more strongly than usual. Your doctor should check the phenytoin level in your blood while you are using the cream.
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.