Possible Side Effects Revia
Check with your doctor if any of these most common side effects persist or become bothersome:* anxiety; appetite loss; chills; constipation; delayed ejaculation; diarrhea; dizziness; drowsiness; feeling down; headache; increased energy; increased thirst; irritability; joint and muscle pain; low energy; nausea; nervousness; sleeplessness; stomach pain/cramps; vomiting.Seek medical attention right away if any of these severe side effects occur:* severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); abdominal or stomach pain; cramping; dark urine; depression; suicidal thoughts or behaviors; unusual tiredness or weakness; vomiting; white bowel movements; yellowing of the skin or eyes.

Drug Class and Mechanism Revia
Revia is a narcotic antagonist. It is thought to work by blocking the effects of injectable opioids (e.g., heroin, narcotic pain relievers). It has also been shown to decrease alcohol consumption.

More InformationRevia here
Revia is to be used only by the patient for whom it is prescribed. Do not share it with other people.