Uses

What is Katerzia used for?

Katerzia (amlodipine) is commonly used for the following conditions.

Katerzia may also be used for other conditions as determined by your healthcare provider.

How does Katerzia work (mechanism of action)?

Katerzia relaxes your blood vessels so that blood can move through them more easily and your heart does not have to work as hard.

How is Katerzia supplied (dosage forms)?

Katerzia is available in the following dosage form that is taken by mouth.

  • 1 mg/mL oral suspension 

How should I store Katerzia?

Katerzia should be stored in a refrigerator between 36 F and 46 F (2 C to 8 C). Avoid freezing and excessive heat. Protect from light.

Side Effects

What are the most common side effects of Katerzia?

The most common side effects of Katerzia are listed below. Tell your healthcare provider if you have any of these side effects that bother you.

  • Stomach pain and nausea
  • Tiredness and sleepiness
  • Swelling of your legs and ankles (edema)
  • Dizziness
  • Hot or warm feeling in your face (flushing)

There may be other side effects of Katerzia that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at www.fda.gov/medwatch or by calling 800-FDA-1088. In Canada, you can report side effects to Health Canada at www.health.gc.ca/medeffect or by calling 866-234-2345.

What are the serious side effects of Katerzia?

While less common, the most serious side effects of Katerzia are described below, along with what to do if they happen.

Decreased Blood Pressure (Hypotension). Katerzia may cause low blood pressure, especially if you have severe aortic stenosis, a condition where your heart valve does not open all the way. Tell your healthcare provider right away if you have any of the following symptoms of low blood pressure.

  • Dizziness, feeling lightheaded, or fainting
  • Confusion
  • Feeling weak or tired

Increased Angina or Heart Attack. When you first start taking Katerzia or increase your dose, your chest pain (angina) may get worse or you may have a heart attack. This risk is higher if you have severe obstructive coronary artery disease, a condition where the blood vessels that deliver blood, oxygen, and nutrients to your heart get blocked. Call your healthcare provider right away if you have any of the following symptoms of a heart attack.

  • Severe chest pain, which may feel like pressure, tightness, squeezing or aching
  • Discomfort that spreads to the shoulder, arm, back, neck, or jaw
  • Cold sweat
  • Unusual tiredness
  • Heartburn or indigestion
  • Lightheadedness or sudden dizziness

Warnings & Precautions

Who should not use Katerzia?

Allergies to Ingredients. People who are allergic to any of the following should not use Katerzia products.

  • Katerzia
  • Amlodipine
  • Amlodipine Benzoate
  • Any of the ingredients in the specific product dispensed

Your pharmacist can tell you all of the ingredients in Katerzia.

What should I know about Katerzia before using it?

Do not take Katerzia unless it has been prescribed to you by a healthcare provider. Take it as prescribed.

Do not share Katerzia with other people, even if they have the same condition as you. It may harm them.

Keep Katerzia out of the reach of children.

Shake before using.

What should I tell my healthcare provider before using Katerzia?

Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. This will help them determine if Katerzia is right for you.

In particular, make sure that you discuss any of the following.

Current and Past Health Conditions.

  • Heart problems
  • Liver problems

Other Medicines and Supplements. Katerzia may interact with other medicines and supplements. Before using Katerzia, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section below for more details.

Pregnancy. It is not known if or how Katerzia could affect pregnancy or harm an unborn baby. Tell your healthcare provider if you are or plan to become pregnant.

Breastfeeding. Katerzia passes into breast milk. Tell your healthcare provider if you are breastfeeding or plan to breastfeed.

Interactions

Does Katerzia interact with foods or drinks?

There are no known interactions between Katerzia and foods or drinks.

It is unknown if drinking alcohol will affect Katerzia.

Does Katerzia interact with other medicines (drug interactions)?

Always tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.

In particular, make sure that you discuss if you are using any of the following before using Katerzia.

  • Diltiazem, which is a medicine commonly used to treat heart problems 
  • Simvastatin, which is a medicine commonly used to treat high cholesterol levels in the blood and to reduce the risk of heart disease
  • A type of medicine called a phosphodiesterase-5 (PDE-5) inhibitor, such as sildenafil (Viagra, Revatio, and others), which is used for erectile dysfunction and pulmonary arterial hypertension (PAH)
  • Cyclosporine (Gengraf, Neoral, Sandimmune, and others) and tacrolimus (Prograf, Astagraf, and others), which are medicines to suppress your immune system

Some other medicines may alter the blood levels of Katerzia, and vice versa. Tell your healthcare provider about all medicines that you take or have recently taken.

Does Katerzia (amlodipine) interact with other drugs you are taking?
Enter your medication into the WebMD interaction checker

Overdose/Missed Dose

What should I do if I accidentally use too much Katerzia?

If you or someone else has used too much Katerzia, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.

What should I do if I miss a dose of Katerzia?

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and only take the next dose. Do not take double or extra doses.

Drug Survey

Are you currently using Katerzia (amlodipine)?

This survey is being conducted by the WebMD marketing sciences department.