HOW TO USE: Take this medication by mouth on an empty stomach (1 hour before or 2 hours after meals) as directed by your doctor. Take this medication at least 1 hour apart from other drugs (especially antacids), milk, or food.Dosage is based on your medical condition and response to treatment.Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.Your doctor may also direct you to take vitamin B6 (pyridoxine) and iron. Follow your doctor's instructions carefully. If you need to take iron or other products that contain minerals (such as zinc), take it at least 2 hours before or after taking penicillamine. Consult your doctor before taking any products containing minerals since they may block the absorption of penicillamine.For the treatment of rheumatoid arthritis, it may take 2 to 3 months before you see any improvement in your condition.For the treatment of Wilson's disease, follow the diet recommended by your doctor to get the most benefit from this medication. Your condition may not improve for 1 to 3 months and may actually get worse when you start this medication. Tell your doctor immediately if your condition continues to worsen after a month of treatment.For the treatment of cystinuria, follow the diet recommended by your doctor to get the most benefit from this medication. Drink plenty of water unless your doctor directs you otherwise.Tell your doctor if your condition does not improve or if it worsens.
SIDE EFFECTS: Stomach/abdominal pain, nausea/vomiting, loss of appetite, diarrhea, and decreased sense of taste 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: signs of infection (such as fever, persistent sore throat, swollen lymph nodes), easy bruising/bleeding, unusual tiredness, rapid breathing, skin blisters, mouth sores, new or worsening joint pain, thinning/wrinkling skin.Tell your doctor immediately if any of these rare but serious side effects occur: change in the amount of urine, bloody urine, coughing up blood, shortness of breath, muscle weakness, eye problems (such as drooping eyelids, blurred vision), persistent nausea/vomiting, severe stomach/abdominal pain, dark urine, yellowing eyes/skin.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.
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?
Use the pill identifier tool on RxList.