comfrey (Symphytum officinale)-topical (cont.)

HOW TO USE: Apply this product to the skin as directed. Follow all directions on the product package. If you are uncertain about any of the information, consult your doctor or pharmacist. Due to the potential for very serious side effects (e.g., liver damage), do not use any comfrey product by mouth. Do not use comfrey longer than 4-6 weeks per year. Do not apply comfrey to cuts, ulcers or other open wounds. If your condition persists or worsens, or if you think you may have a serious medical problem, seek immediate medical attention.

SIDE EFFECTS: Unlikely but report to your doctor promptly stomach upset, dark urine or yellowing eyes and skin. These effects have mainly occurred with oral use of comfrey. If you notice other effects not listed above, contact your doctor or pharmacist.

PRECAUTIONS: Do not apply this product to large areas of your skin without first consulting your doctor or pharmacist. Comfrey is not recommended for use during pregnancy. Consult your doctor before using this product. Because of the potential risk to the infant, breast-feeding while using this product is not recommended. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Before using this product, tell your doctor or pharmacist of all prescription and nonprescription medications you may use.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

NOTES: Keep all regular medical or laboratory test appointments.

MISSED DOSE: If you miss a dose, apply it as soon as you remember. If it is near the time of the next application, skip the missed application and resume your usual schedule. Do not double the amount to catch up.

STORAGE: Refer to storage information printed on the package. If you have any questions about storage, ask your pharmacist.

Last Editorial Review: 3/2/2005

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.

Pill Finder Tool

Need help identifying pills and medications?
Use the pill identifier tool on RxList.

Back to Medications Index