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Meds & supplements  ›  Dichlorphenamide

Medicine · Carbonic Anhydrase Inhibitor

Dichlorphenamide

Dichlorphenamide tablets are indicated for the treatment of primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and related variants.

Prescribing label

Selected manufacturer label information, organised into consistent sections by Sofidex. This source is written for healthcare professionals; ask your pharmacist to explain instructions that are unclear. Read the full label at DailyMed ↗

Drug facts

Used for
Dichlorphenamide tablets are indicated for the treatment of primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and related variants.
Do not take if
  • Hypersensitivity to dichlorphenamide or other sulfonamides
  • Concomitant use of ORMALVI and high dose aspirin
  • Severe pulmonary disease, limiting compensation to metabolic acidosis caused by ORMALVI
  • Hepatic insufficiency: ORMALVI may aggravate hepatic encephalopathy.

What it is used for

ORMALVI is indicated for the treatment of primary hyperkalemic periodic paralysis, primary hypokalemic periodic paralysis, and related variants.

Side effects, and when to stop

The following serious adverse reactions are described elsewhere in labeling:

  • Hypersensitivity and Other Life-Threatening Reactions
  • Hypokalemia
  • Metabolic Acidosis
  • Falls [ see Warnings and Precautions ( 5.5 )]

Who should not take it

ORMALVI is contraindicated in the following circumstances:

  • Hypersensitivity to dichlorphenamide or other sulfonamides
  • Concomitant use of ORMALVI and high dose aspirin
  • Severe pulmonary disease, limiting compensation to metabolic acidosis caused by ORMALVI
  • Hepatic insufficiency: ORMALVI may aggravate hepatic encephalopathy.

Cite this page

NLM

sofidex [Internet]. Daloreum; c2026. Dichlorphenamide; [reviewed 2026 Aug 2; cited 2026 Nov 10]. Available from: https://sofidex.com/patients/medicines/dichlorphenamide

APA 7th

sofidex. (2026, August 2). Dichlorphenamide. Daloreum. Retrieved November 10, 2026, from https://sofidex.com/patients/medicines/dichlorphenamide

AMA 11th

Dichlorphenamide. sofidex. Reviewed August 2, 2026. Accessed November 10, 2026. https://sofidex.com/patients/medicines/dichlorphenamide

The cited date is today’s, because a citation records when you read the page. The reviewed date is when a clinician last checked it.