You are allergic to nabumetone, Relafen, or any of the inactive components used to make this medicine. Your healthcare provider or pharmacist has a list of the inactive ingredients.
You have an active bleeding condition, such as a stomach ulcer or bleeding within the head.
You have an allergic reaction, hives, or asthma that is caused by aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs).
You are having or have recently had coronary bypass graft surgery (often known as open heart surgery, bypass surgery, or just CABG).
There are a number of situations where nabumetone should not be taken, as well as a number of precautions and warnings people should be aware of with nabumetone. However, it is possible that not all the warnings or precautions were discussed in this article. Therefore, you should talk with your healthcare provider about the specific ones that may apply to you.