Sodium Phenylbutyrate (Systemic)

Brand Names : Buphenyl

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 :

More common

Change in frequency of breathing; lack of or irregular menstruation; mood or mental changes; muscle pain or twitching; nausea or vomiting; nervousness or restlessness; lower back, side, or stomach pain; swelling of feet or lower legs; unpleasant taste; unusual tiredness or weakness

Less common

Chills; fever; joint pain; sore throat; unusual bleeding or bruising

Rare

Convulsions (seizures); dizziness; dryness of mouth; fast, slow, or irregular heartbeat; increased blood pressure; increased thirst; irritability; muscle cramps; rectal bleeding; swelling of face; unusual weight gain; weak pulse

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:

Less common

Changes in taste; decreased appetite; strong body odor

Rare

Abdominal or stomach pain; constipation; fainting; headache; mental depression; skin rash

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