Europe — EMA
Nictur (Desmopressin)
GNH USA supplies Nictur (Desmopressin), a vasopressin analog for central diabetes insipidus, nocturnal enuresis, hemophilia A and von Willebrand disease.
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What is Desmopressin?
Desmopressin, the active ingredient in Nictur, is a vasopressin analog presented as an oral dosage form for oral use. It selectively stimulates renal V2 receptors to increase water reabsorption and reduce urine output, making it useful in several endocrine and bleeding disorders. GNH USA supplies Nictur as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Desmopressin used for?
Desmopressin acts on the antidiuretic pathway and is employed for several well‑established conditions.
Central diabetes insipidus: reduces excessive urine volume by enhancing renal water reabsorption. Nocturnal enuresis: decreases nighttime bedwetting episodes through antidiuretic action. Hemophilia A (bleeding control): raises plasma factor VIII levels to aid hemostasis. von Willebrand disease: improves von Willebrand factor release to control mucosal bleeding.
What are the side effects of Desmopressin?
Desmopressin may cause a range of adverse reactions, from mild to severe.
Common Side Effects: - Headache: mild to moderate intensity. - Nausea or abdominal discomfort. - Nasal congestion or rhinorrhea. - Hyponatremia (mild): low sodium levels detected in routine labs. - Flushing or warmth sensation.
Serious or Rare Side Effects: - Severe hyponatremia leading to seizures or coma. - Water intoxication with rapid weight gain. - Allergic reactions such as rash, itching or angioedema. - Thrombotic events in patients with pre‑existing risk factors.
What precautions apply to Desmopressin?
Before prescribing Nictur, clinicians should consider several safety factors. - Renal function: assess in patients with impaired kidney function. - Electrolytes: monitor serum sodium before and during therapy. - Fluid balance: advise patients to limit excessive water intake. - Concomitant drugs: review use of diuretics, NSAIDs or antidepressants. - Cardiovascular disease: use cautiously in uncontrolled hypertension. - Store at ambient temperature below 25°C: keep in the original pack, protect from moisture.
What does Desmopressin interact with?
Desmopressin can interact with other medicines, altering its efficacy or safety.
Major Interactions (Avoid): - Carbamazepine: induces metabolism, reducing desmopressin effect. - NSAIDs (e.g., ibuprofen): increase risk of hyponatremia. - Thiazide diuretics: potentiate water retention and hyponatremia.
Moderate Interactions (Monitor Closely): - SSRIs (e.g., fluoxetine): additive hyponatremia risk, require electrolyte monitoring. - ACE inhibitors: may enhance antidiuretic effect, monitor blood pressure and sodium levels.



