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Periactin is an antihistamine given to help relieve cold- and allergy-related symptoms such as hay fever, nasal inflammation, stuffy nose, red and inflamed eyes, hives, and swelling. Periactin may also be given after epinephrine to help treat anaphylaxis, a life-threatening allergic reaction. Some doctors prescribe Periactin to treat cluster headache and to stimulate appetite in underweight people.
Take Periactin exactly as prescribed by your doctor.
Ask your health care provider any questions you may have about how to use Periactin.
Store Periactin at room temperature between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Periactin out of the reach of children and away from pets.
Active Ingredient: Cyproheptadine.