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Metolazone

Drug Class: Commonly Known As: Category:
Diuretics

Metolazone - Side Effects, Precautions, and Contraindications

What side effects can Metolazone cause?

  • Passing urine more often, dry mouth, increased thirst
    • Too much water loss may result in dehydration. Inform your doctor if you are always feeling thirsty, tired, or you have muscle cramps.
    • Drinking excessive amounts of water to replace your water loss or because you feel thirsty may lead to your heart condition becoming worse. Discuss with your healthcare professional about the amount of fluids you may take each day.
  • Dizziness and lightheadedness
    • This may occur especially when you get up quickly from lying or sitting down. Getting up slowly or changing posture slowly may help. Take a rest by sitting or lying down if you feel dizzy.
  • Affect your mineral levels in your blood
    • This medication may cause potassium loss. Inform your healthcare professional if you experience symptoms of excessive potassium loss such as weakness/ tiredness, muscle cramps, loss of appetite or irregular/ fast heart beat

Inform your healthcare professional if these side effects do not go away and become bothersome to you.

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Metolazone, what precautions must I follow?

​Inform your healthcare professional if:

  • You are allergic to this medication or any of the other ingredients of this medication
  • You are allergic to any other medications, especially sulfonamide medicines (e.g. Bactrim)
  • You are pregnant, planning to become pregnant, or breastfeeding
  • You have any problems with the way your kidneys work
  • You have gout

What food or medicine must I avoid when I take Metolazone?

Metolazone - Additional Information

  • Updated on Wednesday, July 31, 2019
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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