Definition 
Poisoning from an overdose of Periactin.

Poisonous Ingredient 
Cyproheptadine

Where Found 

 
• Periactin  
• Nuran  
• Klarivitina  
• Periatinol

This list may not be all inclusive.

Symptoms  

 
• Body as a whole       o Unsteadiness       o Convulsions       o Flushed skin       o Agitation       o Confusion  
• Eyes, ears, nose, and throat       o Dilated pupils  
• Heart and blood vessels       o Rapid heartbeat       o Low Blood pressure       o Palpitations  
• Nervous system       o Depression       o Excitation       o Drowsiness       o Nervousness       o Hallucinations       o Disorientation       o Delirium       o Coma

Home Treatment 
Call Poison Control for instructions.

Before Calling Emergency 
Determine the following information:

 
• The patient’s age, weight, and condition  
• Name of product (as well as the ingredients and strength if known)  
• The time it was swallowed  
• The amount swallowed  
• If the medication was prescribed for the patient

Poison Control, or a local emergency number 
They will instruct you if it is necessary to take the patient to the hospital. See Poison Control centers for telephone numbers and addresses. Take the container with you to the emergency room.

What to expect at the emergency room 
Some or all of the following procedures may be performed:

 
• Administer activated charcoal.  
• Administer a laxative.  
• Use gastric lavage.  
• Treat the symptoms.

Expectations (prognosis) 
If the patient survives the first 24 hours, survival is likely. Few patients actually die from an antihistamine overdose.

Medical Encyclopedia

All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.