This information is intended for US healthcare professionals to access current scientific information about J&J Innovative Medicine products. It is prepared by Medical Information and is not intended for promotional purposes, nor to provide medical advice.
TREMFYA® (guselkumab)
Medical Information
TREMFYA - Preparation
Last updated: 06/17/2025
TREMFYA One-Press injector
Not provided in the carton:
Alcohol swab
Cotton ball or gauze pad
Adhesive bandage
Sharps container
Inspect carton and allow TREMFYA to come to room temperature
Remove your One-Press injector carton from the refrigerator
Keep your One-Press injector in the carton and let it sit on a flat surface for at least 30 minutes at room temperature
Do not warm your One-Press injector in any other way
Check the expiration date on the carton
Do not use your One-Press injector if the expiration date has passed
Do not inject TREMFYA if the seal on the carton is broken. Call your healthcare provider or pharmacist for a new One-Press injector
Click on each 
symbol to see more details about each injection site
It is important to read the information for all three injection sites before proceeding
Choose the injection site
Choose the injection site
Do not inject into skin that is tender, bruised, red, hard, thick, scaly, or affected by psoriasis
Wash your hands well with soap and warm water
Wipe your chosen injection site with an alcohol swab and allow it to dry
Do not touch, fan, or blow on the injection site after you have cleaned it
After washing your hands, take your One-Press injector out of the carton and check the liquid in the window.
The images, colors, or other visual elements may differ slightly due to monitor settings, lighting, or other factors, and that the image is intended as a representation only.
After washing your hands, take your One-Press injector out of the carton and check the liquid in the window.
The images, colors, or other visual elements may differ slightly due to monitor settings, lighting, or other factors, and that the image is intended as a representation only.
After washing your hands, take your One-Press injector out of the carton and check the liquid in the window.
The images, colors, or other visual elements may differ slightly due to monitor settings, lighting, or other factors, and that the image is intended as a representation only.
Call your healthcare provider or
pharmacist
for a new One-Press injector.
Okay to use
(this is normal)
Do not inject
if the liquid is
Call your healthcare provider or
pharmacist
for a new One-Press injector.