Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.

Guselkumab injection may cause serious allergic reactions, including anaphylaxis. Check with your doctor right away if you have a rash, itching, hoarseness, trouble breathing or swallowing, or any swelling of your hands, face, or mouth after using this medicine.

You will need to have a skin test for tuberculosis before you start using this medicine. Tell your doctor if you or anyone in your home has ever had a positive reaction to a tuberculosis skin test.

It is important to check with your doctor if you have any symptoms of an infection, such as fever or chills, cough or hoarseness, lower back or side pain, painful or difficult urination.

Do not have any live vaccines (immunizations) while you are being treated with guselkumab. Be sure to ask your doctor if you have any questions about this.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.