While minor, some of these side effects may occur. They are as follows; Upset stomach, nausea, vomiting, constipation, diarrhea, gas, dizziness, drowsiness, or headache may occur. However if any of these persist or worsen, it’s best to speak with your doctor right away.
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high.
Tell your doctor right away if any of these unlikely but serious side effects occur: hearing changes (such as ringing in the ears), mental/mood changes, difficult/painful swallowing, symptoms of heart failure (such as swelling ankles/feet, unusual tiredness, unusual/sudden weight gain).
Get medical help right away if any of these rare but very serious side effects occur: signs of kidney problems (such as change in the amount of urine), unexplained stiff neck.
This drug may rarely cause serious (possibly fatal) liver disease. If you notice any of the following highly unlikely but very serious side effects, stop taking nabumetone and consult your doctor or pharmacist right away: dark urine, persistent nausea/vomiting, severe stomach/abdominal pain, yellowing eyes or skin.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.