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Indications And Usage Central Cranial Diabetes Insipidus: Desmopressin Acetate Nasal Spray Solution Is Indicated As Antidiuretic Replacement Therapy In The Management Of Central Cranial Diabetes Insipidus And For Management Of The Temporary Polyuria And Polydipsia Following Head Trauma Or Surgery In The Pituitary Region. It Is Ineffective For The Treatment Of Nephrogenic Diabetes Insipidus. The Use Of Desmopressin Acetate Nasal Spray Solution In Patients With An Established Diagnosis Will Result In A Reduction In Urinary Output With Increase In Urine Osmolality And A Decrease In Plasma Osmolality. This Will Allow The Resumption Of A More Normal Life-Style With A Decrease In Urinary Frequency And Nocturia. There Are Reports Of An Occasional Change In Response With Time, Usually Greater Than 6 Months. Some Patients May Show A Decreased Responsiveness, Others A Shortened Duration Of Effect. There Is No Evidence This Effect Is Due To The Development Of Binding Antibodies But May Be Due To A Local Inactivation Of The Peptide. Patients Are Selected For Therapy By Establishing The Diagnosis By Means Of The Water Deprivation Test, The Hypertonic Saline Infusion Test, And/or The Response To Antidiuretic Hormone. Continued Response To Intranasal Desmopressin Acetate Can Be Monitored By Urine Volume And Osmolality. Desmopressin Acetate Nasal Spray Solution Is Also Available As A Solution For Injection When The Intranasal Route May Be Compromised. These Situations Include Nasal Congestion And Blockage, Nasal Discharge, Atrophy Of Nasal Mucosa, And Severe Atrophic Rhinitis. Intranasal Delivery May Also Be Inappropriate Where There Is An Impaired Level Of Consciousness. In Addition, Cranial Surgical Procedures, Such As Transsphenoidal Hypophysectomy Create Situations Where An Alternative Route Of Administration Is Needed As In Cases Of Nasal Packing Or Recovery From Surgery.
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