Meds: A - E

Cyproheptadine

(sye-proe-HEP-tuh-deen)

Definition | Special instructions | Missed dose | Side effects | Warning signs | Contact us

What is cyproheptadine?

Cyproheptadine (Periactin") is used to relive allergic symptoms. It is also used to relive headaches, and motion sickness. It may also be prescribed to your child to increase his/her appetite. Cyproheptadine comes in syrup and tablet forms.
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Special Instructions

  • If your child is going to be tested for allergies, stop giving this medication at least 4 days before the test. This medication can affect the results of allergy tests.
  • It is important to come to all doctor appointments so your child's doctor can make sure your child is getting the right dose and that the medication is not causing side effects.
  • Give your child this medication with food, milk or water.
  • Store away from direct sunlight and heat.
  • Tell your doctor if your child has asthma, glaucoma, ulcers, or difficulty urinating before giving this medicine. It may make these conditions worse.
  • Avoid excessive exposure to sunlight. Wear sunscreen.
  • Do not use after the expiration date on the bottle / package.
  • If too much medication is taken by accident, call the Drug and Poison Information Center (DPIC), 513-636-5111 or 1-800-222-1222, or call your child's doctor immediately.
  • Keep this medication out of the reach of children.

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If a Dose is Missed

For any medication information related to your child's dosing schedule and/or missed doses, contact the healthcare provider who prescribed the medication.
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Side Effects

Call your child's doctor if the following effects continue or are bothersome:
  • Increased appetite or weight gain
  • Excitability or nervousness
  • Sleepiness
  • Dry mouth, dry nose, dry throat
  • Increased sensitivity to sun exposure
  • Dizziness
  • Chest congestion
  • Upset stomach or diarrhea
  • Headache
  • Ringing or pressure inside the ear

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Warning Signs

Call your child's doctor if you child develops:
  • Difficulty breathing
  • Heart pounding or irregular heartbeat
  • Agitation
  • Seizures/Convulsions
  • Difficulty urinating
  • Skin rash or hives

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Contact us

For additional information on this or any Health Topic, please call the Family Resource Center, 513-636-7606, or your pediatrician.

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Patient Education Program V 5112 6/98
rev. 9/05, 9/07