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Dichlorphenamide: Side Effects, Uses, Interaction and Precautions

Dichlorphenamide Medication

GENERIC NAME— Dichlorphenamide

BRAND NAME(s)— Keveyis, Daranide

What Is Dichlorphenamide?

Dichlorphenamide is a medication used to treat occasional paralysis (loss of movement) caused by low or high levels of potassium in the blood.

How To Use Dichlorphenamide?

Follow all instructions described on prescription label and read all medication guides carefully. Take this medicine exactly as directed by your doctor.

You may need regular medical tests to help your doctor or health care provider to determine how long to treat you with this medicine.


Tell your doctor about all medications that you are currently taking, especially [Trusted Source 1] [Trusted Source 2]

  • Aspirin
  • Some prescription medicines
  • A laxative
  • Theophylline
  • Methotrexate
  • Some vitamins
  • A diuretic or “water pill”
  • An antibiotic or anti-fungal medicine
  • Famotidine
  • Some herbal products
  • Antiviral medicine such as oseltamivir

Dichlorphenamide Side Effects:

Common Dichlorphenamide side effects may include [Trusted Source 1] [Trusted Source 2]

  • Confusion
  • Drowsiness
  • Dizziness
  • Nausea
  • Diarrhea
  • Weight loss
  • Altered sense of taste
  • Tiredness
  • Numbness or tingling
  • Muscle spasms or twitching

Tell your doctor right away if you have any serious side effects, including —

  • Easy bleeding or bruising
  • Rapid breathing
  • Unusual tiredness
  • Mental or mood changes such as confusion, inability to think clearly
  • Signs of low potassium level in the blood (such as irregular heartbeat, constipation, leg, muscle cramps, increased thirst or urination, numbness or tingling)
  • Signs of increased acid in the blood (such as feeling tired, loss of appetite, irregular heartbeats, trouble thinking, short of breath)


Before taking Dichlorphenamide, tell your doctor or health care provider if you are allergic to it or if you have a history of any other allergy.

Before using this medication, tell your doctor about your medical history, especially of [Trusted Source 1] [Trusted Source 2]

  • Adrenal gland problems such as Addison’s disease
  • Liver disease
  • An allergy to sulfa drugs
  • Breathing disorders such as asthma, chronic obstructive lung disease
  • High levels of acid in your blood (metabolic acidosis)
  • Low levels of potassium or magnesium in the blood

The medication may cause blurred vision and may impair your reactions.

It is not recommended to take Dichlorphenamide during pregnancy. It may harm an unborn baby. Tell your doctor if you are pregnant or planning to get pregnant.

It is not clear whether the medication passes into breast milk. Consult your doctor if you are breast—feeding.

What Happens If I Missed A Dose?

Take the medicine as soon as you remember. Skip the missed dose if it is almost the time for next dose. Do not take extra drug to make the missed dose.

What Happens If I Take An Overdose of Dichlorphenamide?

Seek emergency medical help or call the Poison Help line at 1—800—222—1222.


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