Cyclopenthiazide
Cyclopenthiazide is a thiazide diuretic. It increases urination. Cyclopenthiazide is used in hypertention to lower the high blood pressure and also used to treat fluid overload.
Primary Characteristics
It is of Synthetic origin and belongs to Benzothiadiazine.
It belongs to NaCl cotransport inhibitor pharmacological group on the basis of mechanism of action and also classified in Diuretic Thiazide pharmacological group.
Molecular Weight: 379.9 · Solubility in Water: negligible · Solubility in Alcohol: 1 in 12 · Non-proprietary name: Cyclopenthiazide.

Pharmacokinetics
Absorption: Cyclopenthiazide has an pre-systemic (first-pass) metabolism accounts for 0.5% (±0.5%).
Elimination: renal excretion is entire.
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Indications
Cyclopenthiazide is primarily indicated in conditions like Diabetes insipidus, Edema, Heart failure, Hypercalciuric nephrolithiasis, Hypertension, Oedema.
Contraindications
Cyclopenthiazide is contraindicated in conditions like Gout, Maturity onset diabetes.
Dosage
Cyclopenthiazide's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 0.009 mg/kg | 0.009 mg/kg | Every 24h | PO | - |
| Paediatric Dosage (20kg) | ||||
| No data. | ||||
| Neonatal Dosage (3kg) | ||||
| No data. | ||||
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
Cyclopenthiazide in overdosage may give rise to further complications which include Cholestatic jaundice , Impotence , Loss of libido .
Cyclopenthiazide produces potentially life-threatening effects which include Blood dyscrasias, Hyponatremia, Hypokalemia, Stevens Johnson syndrome, Pancreatitis , Anaphylaxis , Necrotizing vasculitis, Vasculitis . Careful monitoring is needed with proper medical management.
Cyclopenthiazide is known to cause more or less tolerable side effects which are usually transient. These include Glucose intolerance, Reduced uric acid urinary excretion, Volume depletion.
Warnings / Precautions
Interference in Pathology
Cyclopenthiazide may interfere in the diagnosis of Benedicts Test for Urinary Reducing Substance.
Available Brands
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Single Ingredient
Storage Conditions
Drug Classification
- 1.16.1 — Thiazide and related diuretics
Manufacturers
Manufacturers of Cyclopenthiazide in Pakistan: