Erdafitinib (Oral Route)

Name: Erdafitinib (Oral Route)


Erdafitinib is used to treat urothelial carcinoma (bladder cancer) that has spread or cannot be removed by surgery. It is used in patients who have an abnormal “FGFR” gene in their cancer and who have tried at least one other chemotherapy medicine that contains platinum that did not work well. Your doctor will test for the presence of this gene.

This medicine is available only with your doctor's prescription.

This product is available in the following dosage forms:

  • Tablet


Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Appropriate studies have not been performed on the relationship of age to the effects of erdafitinib in the pediatric population. Safety and efficacy have not been established.


Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of erdafitinib in the elderly.

Drug Interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Alfentanil
  • Aluminum Carbonate, Basic
  • Aluminum Hydroxide
  • Aluminum Phosphate
  • Apalutamide
  • Bosentan
  • Calcium Acetate
  • Calcium Carbonate
  • Calcium Chloride
  • Calcium Citrate
  • Calcium Gluconate
  • Carbamazepine
  • Cholecalciferol
  • Cyclosporine
  • Dihydroergotamine
  • Dihydroxyaluminum Aminoacetate
  • Dihydroxyaluminum Sodium Carbonate
  • Dofetilide
  • Efavirenz
  • Enzalutamide
  • Ergocalciferol
  • Ergotamine
  • Etravirine
  • Fentanyl
  • Ferric Carboxymaltose
  • Ferric Citrate
  • Ferric Pyrophosphate Citrate
  • Ferrous Fumarate
  • Ferrous Gluconate
  • Ferrous Sulfate
  • Flibanserin
  • Fosphenytoin
  • Iron Dextran
  • Iron Sucrose
  • Lanthanum Carbonate
  • Lorlatinib
  • Lumacaftor
  • Magnesium Carbonate
  • Magnesium Hydroxide
  • Magnesium Oxide
  • Magnesium Trisilicate
  • Mitotane
  • Modafinil
  • Nafcillin
  • Oxycodone
  • Phenobarbital
  • Phenytoin
  • Pimavanserin
  • Pimozide
  • Potassium Phosphate
  • Primidone
  • Quinidine
  • Rifabutin
  • Rifampin
  • Sevelamer Carbonate
  • Sevelamer Hydrochloride
  • Sirolimus
  • Sodium Bicarbonate
  • Sodium Ferric Gluconate Complex
  • Sodium Phosphate
  • Sodium Phosphate, Dibasic
  • Sodium Phosphate, Monobasic
  • St John's Wort
  • Sucroferric Oxyhydroxide
  • Tacrolimus
  • Temsirolimus

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.