Calan Warnings and Precautions

Some Calan Warnings and Precautions

Some warnings and precautions to be aware of with Calan include:
  • Calan can slow down the heart rate. This can be a problem for people who have certain types of arrhythmias or people taking other medications that can slow down the heart rate.
  • Calan should be used with caution in people who have congestive heart failure (CHF). Calan can cause fluid retention (edema) and can decrease the heart's ability to pump blood, which can be especially dangerous in people with CHF.
  • If the left side of your heart is weak (called left ventricular dysfunction), you are at risk for heart failure and should use Calan with caution. Calan should not be combined with beta blockers in people who have left ventricular dysfunction.
  • Calan can lower your blood pressure. Be sure to let your healthcare provider know if you have signs of low blood pressure, including dizziness, lightheadedness, or fainting.
  • Calan can increase liver enzymes (diagnosed using a blood test), which may be a sign of liver damage.
  • Calan can affect the electrical system of the heart, causing "heart block." This happens when signals from one part of the heart have trouble reaching the other parts. If this happens to you, your healthcare provider should lower your Calan dosage or take you off Calan altogether.
  • Calan is metabolized and removed from the body using the liver and kidneys. If you have liver or kidney disease, Calan may build up in your body. Your healthcare provider should monitor you more closely and may need to decrease your Calan dosage.
  • Calan can cause problems with sending nerve signals to the muscles in people who have Duchenne's muscular dystrophy or myasthenia gravis.
  • Calan can interact with a number of medicines (see Calan Drug Interactions).
  • Calan is considered a pregnancy Category C medication. This means that Calan may not be safe to use during pregnancy. Talk to your healthcare provider about the risks and benefits of using Calan during pregnancy (see Calan and Pregnancy for more information).
  • Calan passes through breast milk. Therefore, if you are breastfeeding or plan to start breastfeeding, be sure to talk with your healthcare provider about using Calan (see Calan and Breastfeeding for more information).
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Calan Medication

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