This is part of a news article I found.

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WASHINGTON, Dec 4 (Reuters) - U.S. health officials alerted the public on Tuesday about the deaths of two patients who were treated with a prescription drug to control bed-wetting.

The Food and Drug Administration said it was unclear whether the drug, desmopressin, had contributed to the deaths. But the agency said nasal versions were no longer approved for treating bed-wetting and doctors should consider other options.

Desmopressin is sold under the names DDAVP Nasal Spray, DDAVP Rhinal Tube, DDVP, Minirin and Stimate Nasal Spray. Makers include Sanofi-Aventis (SASY.PA: Quote, Profile, Research) and several generic companies.

Other forms of the drug "should be used cautiously" in patients at risk of sodium imbalances that can be caused by over-hydration, the FDA said.

The agency reviewed 61 reports of patients treated with desmopressin who developed seizures related to hyponatremia, when sodium is too low. Two of the patients died.