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Molecule

Cyproheptadine

Also known as cyproheptadine hydrochloride
Available on request
Presentations
4
Brands
0
Manufacturers
0
Available from stock
0

Cyproheptadine is a prescription medicine. It is available as tablets, oral solution and syrup. MedsAcross supplies Cyproheptadine for export from India to licensed hospitals, importers and physicians acting for named patients, with the documents each country requires.

Information from the US FDA prescribing information, retrieved 12 November 2026. Not yet medically reviewed.How we review

Key facts

ATC classification
R06AX02 Cyproheptadine · Histamine antagonist, subgroup R06AX
US FDA first approval
17 October 1961
EU status
Not recorded
Orphan designation
Not recorded
WHO essential medicine
Not recorded
India (CDSCO)
Not yet confirmed against CDSCO approval lists
Routes
Oral
Dosage forms
Tablet, Oral solution, Syrup
Identifiers
UNII 2YHB6175DORxCUI 3013CAS 129-03-3DrugBank DB00434Q417884

Clinical information

From the regulator-approved product information. Each section names its source.

Uses

Perennial and seasonal allergic rhinitis Vasomotor rhinitis Allergic conjunctivitis due to inhalant allergens and foods Mild, uncomplicated allergic skin manifestations of urticaria and angioedema. Amelioration of allergic reactions to blood or plasma Cold urticaria Dermatographism As therapy for anaphylactic reactions adjunctive to epinephrine and other standard measures after the acute manifestations have been controlled.

Source: US FDA prescribing information

Dosing overview

DOSAGE SHOULD BE INDIVIDUALIZED ACCORDING TO THE NEEDS AND THE RESPONSE OF THE PATIENT. Each tablet contains 2 mg of cyproheptadine hydrochloride. Pediatric Patients Age 2 to 6 years The total daily dosage for pediatric patients may be calculated on the basis of body weight or body area using approximately 0.25 mg/kg/day or 8 mg per square meter of body surface (8 mg/m 2 ). The usual dose is 2 mg two or three times a day, adjusted as necessary to the size and response of the patient. The dose is not to exceed 12 mg a day. Age 7 to 14 years The usual dose is 4 mg two or three times a day adjusted as necessary to the size and response of the patient. The dose is not to exceed 16 mg a day. Adults The total daily dose for adults should not exceed 0.5 mg/kg/day. The therapeutic range is 4 to 20 mg a day, with the majority of patients requiring 12 to 16 mg a day.

Source: US FDA prescribing information

Contraindications

Newborn or Premature Infants This drug should not be used in newborn or premature infants. Lactation Because of the higher risk of antihistamines for infants generally and for newborns and prematures in particular, antihistamine therapy is contraindicated in nursing mothers. Other Conditions Hypersensitivity to cyproheptadine and other drugs of similar chemical structure. Monoamine oxidase inhibitor therapy. Angle-closure glaucoma Stenosing peptic ulcer Symptomatic prostatic hypertrophy Bladder neck obstruction Pyloroduodenal obstruction Elderly, debilitated patients Newborn or Premature Infants This drug should not be used in newborn or premature infants.

Source: US FDA prescribing information

Warnings and precautions

Pediatric Patients Overdosage of antihistamines, particularly in infants and young children, may produce hallucinations, central nervous system depression, convulsions, respiratory and cardiac arrest, and death. Antihistamines may diminish mental alertness, conversely, particularly, in the young child, they may occasionally produce excitation. CNS Depressants Antihistamines may have additive effects with alcohol and other CNS depressants, e.g., hypnotics, sedatives, tranquilizers, antianxiety agents. Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness and motor coordination, such as driving a car or operating machinery. Antihistamines are more likely to cause dizziness, sedation, and hypotension in elderly patients.

Source: US FDA prescribing information

Side effects

Adverse reactions which have been reported with the use of antihistamines are as follows: Central Nervous System Sedation and sleepiness (often transient), dizziness, disturbed coordination, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, paresthesias, neuritis, convulsions, euphoria, hallucinations, hysteria, faintness. Integumentary Allergic manifestation of rash and edema, excessive perspiration, urticaria, photosensitivity. Special Senses Acute labyrinthitis, blurred vision, diplopia, vertigo, tinnitus. Cardiovascular Hypotension, palpitation, tachycardia, extrasystoles, anaphylactic shock. Hematologic Hemolytic anemia, leukopenia, agranulocytosis, thrombocytopenia.

Source: US FDA prescribing information

Interactions

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.

Source: US FDA prescribing information

For healthcare professionals and buyers. This is not medical advice. Treatment decisions belong to the prescriber.

All presentations

4 presentations of Cyproheptadine, sorted by availability.

MedicineManufacturerRegisterAvailability
Cyproheptadine 4 mg tabletOralGeneric name—US FDAAvailable on request
Cyproheptadine 2 mg/5 mL oral solutionOralGeneric name—US FDAAvailable on request
Cyproheptadine 2 mg/5 mL syrupOralGeneric name—US FDAAvailable on request
Cyproheptadine 2 mg tabletOralGeneric name—US FDAAvailable on request

Regulatory status

Approval facts from US FDA, EMA and CDSCO data, and registration status by country where we hold register data.

RegisterStatusSource
US FDAFirst approved 17 October 1961Drugs@FDA
EU (EMA)Not recorded—
India (CDSCO)Not yet confirmed against CDSCO approval lists—
United StatesRegisteredUS FDA (NDC directory, openFDA)Checked 12 November 2026

Conditions

Conditions linked to Cyproheptadine in public data. This is not a list of approved uses, see the clinical information.

Questions and answers

Is Cyproheptadine available for export from India?

Yes, on request. MedsAcross lists 4 presentations of Cyproheptadine and sources them for licensed hospitals, importers and physicians against valid import documents.

Is Cyproheptadine approved by the US FDA?

Yes. The US FDA first approved Cyproheptadine on 17 October 1961, according to Drugs@FDA.

Does Cyproheptadine need cold chain shipping?

No listed presentation of Cyproheptadine is recorded as needing a cold chain. Storage conditions are shown on each presentation page.

Which ATC class is Cyproheptadine in?

Cyproheptadine is classified under ATC code R06AX02 (Cyproheptadine).

References

  1. CYPROHEPTADINE HYDROCHLORIDE prescribing information (Pangea Pharmaceuticals). U.S. National Library of Medicine, DailyMed. Retrieved 7 October 2026

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