sodium phenylbutyrate - oral, Buphenyl (cont.)
HOW TO USE: Read the Patient Information Leaflet available from your pharmacist before you start using this medication and each time you get a refill. If you have any questions, consult your doctor or pharmacist.Take this medication by mouth exactly as directed by your doctor. Dosage is based on your weight, medical condition, and response to therapy. The total daily dose should be divided into equal amounts and taken with each meal or feeding (e.g., 3 to 6 times daily). Do not increase or decrease your dose without your doctor's approval.Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.
SIDE EFFECTS: Loss of appetite, increased body odor, taste changes, and menstrual changes (delayed/irregular/absent periods) may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: drowsiness/lightheadedness, easy bruising/bleeding, fast/pounding heartbeat, mental/mood changes, signs of infection (e.g., fever, persistent sore throat), tiredness.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
PRECAUTIONS: Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.Before using this medication, tell your doctor or pharmacist your medical history, especially of: a certain heart problem (congestive heart failure), kidney disease, liver disease, swelling (edema).This medication contains salt (sodium). Before taking this medication, tell your doctor or pharmacist if you are on a low-salt diet.This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is not known if this medication passes into breast milk. Consult your doctor before breast-feeding.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Back to Medications Index