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Medical Encyclopedia |
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Alternative Names
Cyproheptadine hydrochloride overdoseDefinition Return to top
Periactin is an antihistamine drug, which is used to relieve allergy symptoms. A periactin overdose occurs when someone takes too much of this drug.
This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.
Poisonous Ingredient Return to top
Cyproheptadine
Where Found Return to top
The generic drug name for Periactin is cyproheptadine hydrochloride. This medicine may also be sold under the following brand names:
This list may not be all-inclusive.
Symptoms Return to top
Before Calling Emergency Return to top
Determine the following information:
However, DO NOT delay calling for help if this information is not immediately available.
Poison Control Return to top
The National Poison Control Center (1-800-222-1222) can be called from anywhere in the United States. This national hotline number will let you talk to experts in poisoning. They will give you further instructions.
This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.
What to Expect at the Emergency Room Return to top
The health care provider will measure and monitor the patient's vital signs, including temperature, pulse, breathing rate, and blood pressure. Symptoms will be treated as appropriate. The patient may receive:
Outlook (Prognosis) Return to top
If the patient survives the first 24 hours, survival is likely. Few patients actually die from an antihistamine overdose.
References Return to top
Goldfrank LR, ed. Goldfrank's Toxicologic Emergencies. 8th ed. New York, NY: McGraw Hill; 2006.
Update Date: 2/3/2009 Updated by: John E. Duldner, Jr., MD, MS, Assistant Professor of Emergency Medicine, Department of Emergency Medicine, Samaritan Regional Health System, Ashland, Ohio. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
