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Side Effects & Adverse Reactions
Very rare cases of hyponatremia have been reported from world-wide postmarketing experience in patients treated with desmopressin acetate. Desmopressin acetate is a potent antidiuretic which, when administered, may lead to water intoxication and/or hyponatremia. Unless properly diagnosed and treated hyponatremia can be fatal. Therefore, fluid restriction is recommended and should be discussed with the patient and/or guardian. Careful medical supervision is required.
When desmopressin acetate tablets are administered, in particular in pediatric and geriatric patients, fluid intake should be adjusted downward to decrease the potential occurrence of water intoxication and hyponatremia. (See PRECAUTIONS, Pediatric Use and Geriatric Use.) All patients receiving desmopressin acetate therapy should be observed for the following signs of symptoms associated with hyponatremia: headache, nausea/vomiting, decreased serum sodium, weight gain, restlessness, fatigue, lethargy, disorientation, depressed reflexes, loss of appetite, irritability, muscle weakness, muscle spasms or cramps and abnormal mental status such as hallucinations, decreased consciousness and confusion. Severe symptoms may include one or a combination of the following: seizure, coma and/or respiratory arrest. Particular attention should be paid to the possibility of the rare occurrence of an extreme decrease in plasma osmolality that may result in seizures which could lead to coma.
Desmopressin acetate should be used with caution in patients with habitual or psychogenic polydipsia who may be more likely to drink excessive amounts of water, putting them at greater risk of hyponatremia.
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Manufacturer Warnings
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FDA Labeling Changes
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Uses
Desmopressin acetate tablets are indicated as antidiuretic replacement therapy in the management of central diabetes insipidus and for the management of the temporary polyuria and polydipsia following head trauma or surgery in the pituitary region. Desmopressin acetate tablets are ineffective for the treatment of nephrogenic diabetes insipidus.
Patients were selected for therapy based on the diagnosis by means of the water deprivation test, the hypertonic saline infusion test, and/or response to antidiuretic hormone. Continued response to desmopressin acetate can be monitored by measuring urine volume and osmolality.
Desmopressin acetate tablets are indicated for the management of primary nocturnal enuresis. Desmopressin acetate tablets may be used alone or as an adjunct to behavioral conditioning or other non-pharmacologic intervention.
History
There is currently no drug history available for this drug.
Other Information
Desmopressin acetate are a synthetic analogue of the natural pituitary hormone 8-arginine vasopressin (ADH), is an antidiuretic hormone affecting renal water conservation. It is chemically defined as 1-(3-mercaptopropionic acid)-8-D-arginine vasopressin monoacetate (salt) trihydrate. The structural formula is as follows:
C46H64N14O12S2·C2H4O2·3H20 Molecular Weight: 1183.34
Desmopressin Acetate Tablets contain desmopressin acetate equivalent to either 0.1 mg or 0.2 mg of desmopressin acetate. In addition, each tablet contains the following inactive ingredients: butylated hydroxyanisole, butylated hydroxytoluene, crospovidone, lactose monohydrate, magnesium stearate, povidone and potato starch.
Sources
Hex-o-prep Manufacturers
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Universal
Hex-o-prep | Lupin Pharmaceuticals, Inc.
2.1 General ConsiderationsDose once-daily. The dosage may be increased after 2 weeks of therapy. The full blood pressure lowering effect was achieved 2 weeks after being on the maximal dose of amlodipine, valsartan and hydrochlorothiazide tablets. The maximum recommended dose of amlodipine, valsartan and hydrochlorothiazide tablets is 10/320/25 mg.
2.2 Add-on / Switch TherapyAmlodipine, valsartan and hydrochlorothiazide tablets may be used for patients not adequately controlled on any 2 of the following antihypertensive classes: calcium channel blockers, angiotensin receptor blockers, and diuretics.
A patient who experiences dose-limiting adverse reactions to an individual component while on any dual combination of the components of amlodipine, valsartan and hydrochlorothiazide tablets may be switched to amlodipine, valsartan and hydrochlorothiazide tablets containing a lower dose of that component to achieve similar blood pressure reductions.
2.3 Replacement TherapyAmlodipine, valsartan and hydrochlorothiazide tablets may be substituted for the individually titrated components.
2.4 Use with Other Antihypertensive DrugsAmlodipine, valsartan and hydrochlorothiazide tablets may be administered with other antihypertensive agents.
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