Naltrexone (Systemic)

Brand Names : ReVia

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

Less common

Skin rash

Rare

Abdominal or stomach pain (severe); blurred vision or aching, burning, or swollen eyes; chest pain; confusion; discomfort while urinating and/or frequent urination; fever; hallucinations (seeing, hearing, or feeling things that are not there); itching; mental depression or other mood or mental changes; ringing or buzzing in ears; shortness of breath; swelling of face, feet, or lower legs; weight gain

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Abdominal or stomach cramping or pain (mild or moderate); anxiety, nervousness, restlessness, and/or trouble in sleeping; headache; joint or muscle pain; nausea or vomiting; unusual tiredness

Less common or rare

Chills; constipation; cough, hoarseness, runny or stuffy nose, sinus problems, sneezing, and/or sore throat; diarrhea; dizziness; fast or pounding heartbeat; increased thirst; irritability; loss of appetite; sexual problems in males

Other side effects not listed above, possibly including withdrawal symptoms, may also occur in some patients. If you notice any other effects, check with your doctor.