Used for Hay Fever and Allergies

View cyproheptadine savings options available to you including Manufacturer Coupons, Rx Advantage Savings Card, Canadian Prescription Savings or cyproheptadine Patient Assistance Program.

Programs are suitable for individuals who want to buy cyproheptadine without insurance, with insurance or for those who are underinsured. You can pay as little as $0 per fill.*

Manufactured by various FDA-approved generic manufacturers.

*Applicable to Drug Coupons & Patient Assistance Programs

This content is intended for US audiences only

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Updated on 24 Apr 2024

Learn more about cyproheptadine

What dosages is cyproheptadine available in?

What dosages is cyproheptadine available in?

cyproheptadine is available as a 4 mg oral tablet and a 2 mg/5 ml oral syrup.

What is cyproheptadine used for?

What is cyproheptadine used for?

cyproheptadine is an antihistamine and is used to treat the following:

  • Year-round and seasonal allergies
  • Sneezing, stuffy, or runny nose not caused by allergies or infections (vasomotor rhinitis)
  • Eye allergies
  • Mild skin allergies
  • Allergic reactions to blood or the liquid part of blood (plasma)
  • Skin reactions due to exposure to cold temperatures (cold urticaria)
  • Allergic reactions when skin is scratched (dermatographia)
  • Add-on therapy for severe allergic reactions (anaphylaxis)
How does cyproheptadine work?

How does cyproheptadine work?

cyproheptadine is first-generation antihistamine. It works by blocking histamine, which is a chemical in your body that’s released during an allergic reaction. Blocking histamine helps ease allergy symptoms, such as sneezing, stuffy or runny nose, and itchy eyes or skin. cyproheptadine also has anticholinergic effects, which can cause symptoms such as constipation, dry eyes, and difficulty urinating.

How do I take cyproheptadine?

How do I take cyproheptadine?

cyproheptadine is typically taken as 4 mg by mouth three times a day. The typical recommended dose ranges from 4 mg to 20 mg daily.

Is it safe for me to take cyproheptadine?

Is it safe for me to take cyproheptadine?

cyproheptadine is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in newborn or premature infants or in the following:

  • Angle-closure glaucoma
  • Stenosing peptic ulcer
  • Symptomatic prostatic hypertrophy
  • Bladder neck obstruction
  • Pyloroduodenal obstruction
  • Elderly, debilitated patients
  • Have taken an MAOI in the past 14 days
cyproheptadine Common Side Effects

cyproheptadine Common Side Effects

Common side effects of cyproheptadine:

  • Sleepiness
  • Dizziness
  • Loss of coordination
  • Confusion
  • Blurred vision
  • Low blood pressure
  • Difficulty urinating
  • Dryness of nose, throat, and mouth
cyproheptadine Serious Side Effects

cyproheptadine Serious Side Effects

Serious side effects are rare with cyproheptadine. Contact your healthcare provider immediately if you experience any of the following.

  • Signs of overdose: hallucinations, slow brain function, seizures, fast heartbeat, wide pupils, breathing problems
    Excessive sleepiness or dizziness
Effects of other drugs, drug classes and over-the-counter products on cyproheptadine

Effects of other drugs, drug classes and over-the-counter products on cyproheptadine

The following medications may interact with cyproheptadine:

  • MAO inhibitors prolong and intensify the anticholinergic effects of antihistamines
  • Antihistamines may have additive effects with alcohol and other CNS depressants, e.g., hypnotics, sedatives, tranquilizers, antianxiety agents
Who makes cyproheptadine?

Who makes cyproheptadine?

Various FDA-approved generic manufacturers

Is cyproheptadine safe in pregnancy?

Is cyproheptadine safe in pregnancy?

Two studies in pregnant women, have not shown that cyproheptadine increases the risk of abnormalities when
administered during the first, second and third trimesters of pregnancy. However, you should talk to your healthcare provider before taking this medication if you are pregnant.


What to do if you missed your cyproheptadine dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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