Brand Name(s): | IMPORTANT WARNING | WHY is this medicine prescribed? | HOW should this medicine be used? | Are there OTHER USES for this medicine? | What SPECIAL DIETARY instructions should I follow? | What should I do IF I FORGET to take a dose? | What SIDE EFFECTS can this medicine cause? | What should I know about STORAGE and DISPOSAL of this medication? | What should I do in case of OVERDOSE? | What OTHER INFORMATION should I know? | ahfsCopyRight

IMPORTANT WARNING

Pioglitazone and other similar medications for diabetes may cause or worsen congestive heart failure (condition in which the heart is unable to pump enough blood to the other parts of the body). Before you start to take pioglitazone, tell your doctor if you have or have ever had congestive heart failure, especially if your heart failure is so severe that you must limit your activity and are only comfortable when you are at rest or you must remain in a chair or bed. Also tell your doctor if you were born with a heart defect, and if you have or have ever had swelling of the arms, hands, feet, ankles, or lower legs; heart disease; high cholesterol or fats in the blood; high blood pressure; coronary artery disease (narrowing of the blood vessels that supply blood to the heart); a heart attack; an irregular heartbeat; or sleep apnea. Your doctor may tell you not to take pioglitazone or may monitor you carefully during your treatment.

If you develop congestive heart failure, you may experience certain symptoms. Tell your doctor immediately if you have any of the following symptoms, especially when you first start taking pioglitazone or after your dose is increased: large weight gain in a short period of time; shortness of breath; swelling of the arms, hands, feet, ankles, or lower legs; swelling or pain in the stomach; waking up short of breath during the night; needing to sleep with extra pillows under your head in order to breathe easier while lying down; frequent dry cough or wheezing; difficulty thinking clearly or confusion; fast or racing heart beat; not able to walk or exercise as well; or increased tiredness.

Your doctor or pharmacist will give you the manufacturer's patient information sheet (Medication Guide) when you begin treatment with pioglitazone and each time you refill your prescription. Read the information carefully and ask your doctor or pharmacist if you have any questions. You can also visit the Food and Drug Administration (FDA) website ( Web Site) or the manufacturer's website to obtain the Medication Guide.

Talk to your doctor about the risks of taking pioglitazone.

What SPECIAL PRECAUTIONS should I follow?

Before taking pioglitazone,

  • tell your doctor and pharmacist if you are allergic to pioglitazone, any other medications, or any of the ingredients in pioglitazone tablets. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
  • tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements and herbal products you are taking or plan to take. Be sure to mention any of the following: atorvastatin (Lipitor), gemfibrozil (Lopid), hormonal contraceptives (birth control pills, patches, rings, implants, and injections), insulin or other medications to treat diabetes; ketoconazole (Nizoral), midazolam (Versed), nifedipine (Procardia), and rifampin (Rifadin, Rifater, in Rifamate). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
  • tell your doctor if you have or have ever had any of the conditions mentioned in the IMPORTANT WARNING section, or if you have or have ever had bladder cancer, diabetic eye disease, or kidney or liver disease.
  • tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking pioglitazone, call your doctor. Do not breast-feed while you are taking pioglitazone.
  • if you have not yet experienced menopause (change of life; end of monthly periods) you should know that pioglitazone may increase the chance that you will become pregnant even if you do not have regular monthly periods or if you have a condition that prevents you from ovulating (releasing an egg from the ovaries). Talk to your doctor about methods of birth control that will work for you.
  • if you will be having surgery, including dental surgery, tell the doctor or dentist that you are taking pioglitazone.
  • ask your doctor what to do if you get sick, develop an infection or fever, experience unusual stress, or are injured. These conditions can affect your blood sugar and the amount of pioglitazone you may need.

What SIDE EFFECTS can this medicine cause?

This medication may cause changes in your blood sugar. You should know the symptoms of low and high blood sugar and what to do if you have these symptoms.

Some side effects can be serious. If you experience any of the following symptoms or those mentioned in the IMPORTANT WARNING section, call your doctor immediately:

  • changes in vision
  • vision loss
  • frequent, painful, or difficult urination
  • cloudy, discolored, or bloody urine
  • back or abdominal pain

You should know that pioglitazone may cause liver problems. Stop taking pioglitazone and call your doctor right away if you have nausea, vomiting, loss of appetite, pain in the upper right part of the stomach, flu-like symptoms, dark urine, yellowing of the skin or eyes, unusual bleeding or bruising, or lack of energy.

In clinical studies, more people who took pioglitazone for more than one year developed bladder cancer than people who did not take pioglitazone Talk to your doctor about the risk of taking this medication.

In clinical studies, more women who took pioglitazone developed fractures (broken bones), especially of the hands, upper arms, or feet, than women who did not take pioglitazone. Men who took pioglitazone did not have a greater risk of developing fractures than men who did not take the medication. If you are a woman, talk to your doctor about the risk of taking this medication.

Pioglitazone may cause other side effects. Call your doctor if you have any unusual problems while you are taking this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].