Can I use tramadol and Celebrex together?

Interactions between your drugs
Moderate
traMADol celecoxib
Applies to: tramadol, Celebrex (celecoxib)

Celecoxib may increase the blood levels and effects of traMADol. If your doctor does prescribe these medications together, you may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if you experience increased side effects or if your condition changes. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Source and more info: https://www.drugs.com/interactions-check.php?drug_list=560-284,2221-0