Your doctor may perform blood tests to make sure you do not have conditions that would prevent you from safely using desmopressin.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Limit your intake of water and other fluids while you are using desmopressin. Drinking too much water may lead to a serious, life-threatening electrolyte imbalance.
Fluid restriction is especially important in children and older adults using desmopressin. Follow your doctor's instructions about the type and amount of liquids you should drink.
If you were switched from desmopressin nasal spray to desmopressin tablets, wait at least 12 hours after your last nasal dose before you take your first tablet.
Take the sublingual tablet 1 hour before bedtime. Place the tablet under your tongue and allow it to dissolve. Empty your bladder before going to bed.
Your blood pressure will need to be checked often and you may need frequent blood tests.
Store at room temperature away from moisture, light, and heat.
Store Nocdurna tablets in their original foil blister pack. Remove a tablet only when you are ready to take it.
 Detailed Desmopressin dosage information
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What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include headache, confusion, drowsiness, rapid weight gain, or urination problems.
