colchicine - oral (cont.)
DRUG INTERACTIONS: See also How to Use and Precautions sections.The effects of some drugs can change if you take other drugs or herbal products at the same time. This can increase your risk for serious side effects or may cause your medications not to work correctly. These drug interactions are possible, but do not always occur. Your doctor or pharmacist can often prevent or manage interactions by changing how you use your medications or by close monitoring.To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor's approval.Other medications can affect the removal of colchicine from your body, which may affect how colchicine works or increase the risk of serious side effects. Examples include azole antifungals (such as itraconazole, ketoconazole), cyclosporine, HIV medications (such as ritonavir), macrolide antibiotics (such as clarithromycin, erythromycin), telithromycin, verapamil, among others.Colchicine may rarely cause a certain serious (even fatal) muscle damage (rhabdomyolysis). This muscle damage releases substances that can lead to serious kidney problems. The risk may be increased if other drugs that may also cause rhabdomyolysis are taken along with colchicine. Some affected drugs include: atorvastatin, digoxin, gemfibrozil, fenofibrate, pravastatin, simvastatin, among others.This medication may interfere with certain laboratory tests, possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.This document does not contain all possible drug interactions. Keep a list of all the products you use. Share this list with your doctor and pharmacist to lessen your risk for serious medication problems.
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.
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