SIDE EFFECTS: Headache, nausea, upset stomach, flushing of the face, or redness/pain/swelling at the injection site may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Infrequently, desmopressin may affect your blood pressure. It may cause an increase or decrease in your blood pressure. A temporary drop in your blood pressure may result in dizziness and a fast heartbeat. Ask your doctor for more details, especially if you have heart problems or high or low blood pressure. Tell your doctor promptly if changes in your blood pressure occur or if any of these symptoms occur.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Desmopressin can infrequently cause a low level of sodium in the blood, which can be serious and possibly life-threatening. Drinking too much water or other fluids increases the risk of having a low level of sodium in the blood. Therefore, follow your doctor's directions for limiting fluids. Seek immediate medical attention if you have any of these unlikely but serious symptoms of a low level of sodium in the blood: loss of appetite, severe nausea, vomiting, severe headache, muscle weakness/spasms/cramps, sudden weight gain, unusual tiredness, unusual severe drowsiness, mental/mood changes (such as confusion, hallucinations, irritability), loss of consciousness, seizures, slow/shallow breathing.Seek immediate medical attention if any of these rare but serious side effects occur: chest pain, weakness on one side of the body, slurred speech, sudden vision changes.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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