Compresse di ciproeptadina
Periactin
Revisione paritaria di Dr Colin Tidy, MRCGPUltimo aggiornamento di Michael Stewart, MRPharmSUltimo aggiornamento 27 Apr 2023
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Cyproheptadine is an antihistamine. It is taken for allergic conditions.
Make sure you follow the dosage directions on the label.
The most common side effects are feeling tired or sleepy. This may affect your ability to drive.
A colpo d'occhio
Cyproheptadine is an antihistamine used to relieve allergic conditions like hay fever and skin rashes.
It works by blocking histamine, a chemical that triggers allergic symptoms.
Common side effects include feeling tired or sleepy, blurred vision, headache, and dry mouth.
Avoid driving or operating machinery if you feel drowsy or have blurred vision.
Do not drink alcohol while taking cyproheptadine as it can worsen drowsiness.
Tell your doctor or pharmacist if you are pregnant, have liver or kidney problems, or are taking other medicines.
Cyproheptadine is usually for short-term use, especially for allergy symptoms.
Panoramica
Tipo di medicinale | An antihistamine |
Utilizzato per | Allergic conditions, such as hay fever and skin rashes |
Chiamato anche | Periactin® |
Disponibile come | Compresse |
What is cyproheptadine used for?
Cyproheptadine is a type of antistaminico that is used to relieve allergies, such as febbre da fieno e alcuni allergic skin conditions.
You can buy cyproheptadine tablets without a prescription at a pharmacy.
How does cyproheptadine work?
Cyproheptadine works by blocking the effect of histamine.
Exposure to substances such as pollen, pet fur, house dust, or insect bites can cause some people to produce an excess of a chemical called histamine.
This triggers allergic symptoms, which can include skin rashes, sneezing, watery eyes, and a runny or blocked nose.
Cyproheptadine blocks the effects of histamine by preventing it from binding to its receptors in the body, helping to relieve allergic symptoms.
Side effects of cyproheptadine
Common side effects of cyproheptadine are:
Feeling tired or sleepy.
Visione offuscata.
Mal di testa.
Difficulty peeing (passing urine).
Bocca secca.
Troverai un elenco completo nel foglietto informativo del produttore fornito con il tuo medicinale.
How to manage cyproheptadine side effects
The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any continue or become troublesome.
Cyproheptadine side effects | Cosa posso fare se sperimento questo? |
Feeling tired or sleepy, blurred vision | Do not drive and do not use tools or machines until you feel better. Do not drink alcohol |
Mal di testa | Bevi molta acqua e chiedi al tuo farmacista di consigliarti un antidolorifico adatto. Se i mal di testa persistono, informa il tuo medico |
Difficulty passing urine | Speak with your doctor if this becomes troublesome |
Bocca secca | Try sucking sugar-free sweets or chewing sugar-free gum |
Se si verificano altri sintomi che ritieni possano essere dovuti a questo medicinale, parla con il tuo medico o farmacista per ulteriori consigli.
Who should not take cyproheptadine?
To make sure that this is the right treatment for you, before you start taking cyproheptadine it is important that you discuss the treatment with a doctor or pharmacist if:
You are pregnant, trying for a baby or breastfeeding.
You have a problem with the way your liver works, or if you have a problem with your kidneys.
You have a condition which causes increased pressure in your eyes, such as glaucoma.
You have prostate problems, or if you have been experiencing any difficulty passing urine.
You know you have a stomach ulcer or a blockage in your small intestines.
You have epilepsy.
You have a rare inherited blood condition known as porphyria.
Stai assumendo altri medicinali. Questo include qualsiasi medicinale che stai assumendo e che è disponibile per l'acquisto senza prescrizione, così come i medicinali a base di erbe e complementari.
Hai mai avuto una reazione allergica a un medicinale.
How to take cyproheptadine
Read the manufacturer's printed information leaflet from inside your pack. It will give you more information about cyproheptadine tablets and will provide a full list of the side effects.
Take cyproheptadine exactly as your doctor or pharmacist tells you to. The usual recommended doses are:
For adults: one tablet (4 mg) three times daily.
For children aged 7-14 years: one tablet (4 mg) two or three times daily.
For children aged 2-6 years: half a tablet (2 mg) two or three times daily.
You can take cyproheptadine before or after meals. Some people find it helps to swallow the tablets with a drink of water.
If you forget to take a dose, take the next dose when it is due and then continue as before. Do not take two doses together to make up for a forgotten dose.
Most people only need to take an antihistamine for a short while when they have symptoms. You should stop taking cyproheptadine once your symptoms have eased.
Ottenere il massimo dal tuo trattamento
Cyproheptadine can make you feel drowsy (sleepy). If this happens, do not drive or use tools or machinery. Avoid alcohol, as it can make drowsiness worse.
If you are having surgery, medical tests, or allergy tests, tell the healthcare professional that you are taking cyproheptadine. You may need to stop it for a short time before some tests.
Cyproheptadine can make your skin more sensitive to sunlight. Use a sunscreen with at least SPF 15 and UVA protection, especially in strong sunlight. Do not use sunbeds.
Always check with a pharmacist before taking any new medicines. Some medicines can interact with cyproheptadine and increase side effects.
How to store cyproheptadine
Tenere tutti i medicinali fuori dalla portata e dalla vista dei bambini.
Conservare in un luogo fresco e asciutto, lontano da fonti di calore e luce diretta.
Domande frequenti
How quickly does cyproheptadine work?
Cyproheptadine usually starts working within a few hours for allergy symptom relief.
If used for appetite stimulation, increased hunger may develop within a few days, although this varies between individuals.
Can cyproheptadine be taken long term?
Cyproheptadine is generally intended for short-term or intermittent use, especially for allergy symptoms.
Long-term use may be considered in specific cases (such as appetite stimulation), but only under regular medical supervision due to side effects such as sedation and increased appetite.
Can I drink alcohol while taking cyproheptadine?
It is best to avoid alcohol while taking cyproheptadine. Alcohol can significantly increase drowsiness and impair coordination, making side effects more intense and potentially dangerous.
Does cyproheptadine cause weight gain?
Weight gain can occur as a side effect due to increased appetite and sedation-related reduced activity. This effect varies widely between individuals and is not guaranteed.
Informazioni importanti su tutti i medicinali
Informazioni importanti su tutti i medicinali
Never take more than the recommended dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital. Take the container with you, even if it is empty.
Questo medicinale è per te. Non darlo mai ad altre persone, anche se la loro condizione sembra essere la stessa della tua.
Non conservare medicinali scaduti o indesiderati. Portali alla tua farmacia locale che li smaltirà per te.
Se hai domande su questo medicinale, chiedi al tuo farmacista.
Segnala effetti collaterali di un medicinale o vaccino
Se si verificano effetti collaterali, è possibile segnalarli online tramite il Sito web Yellow Card.

Non sei sicuro di mescolare i medicinali?
Controlla le possibili interazioni tra farmaci, integratori e alimenti prima di assumerli insieme.
Domande frequenti
Can I take cyproheptadine if I have a stomach ulcer or bowel obstruction?
No, you should discuss this with a doctor or pharmacist first. Cyproheptadine should not be taken if you know you have a stomach ulcer or a blockage in your small intestines.
Are there any medicines that should not be taken with cyproheptadine?
Yes, interactions can occur. You should always check with a pharmacist before taking any new medicines, including those bought without a prescription, and herbal or complementary medicines, as some can interact with cyproheptadine and increase side effects.
How should I store cyproheptadine tablets?
Cyproheptadine tablets should be stored in a cool, dry place, away from direct heat and light. Always keep all medicines out of the reach and sight of children.
Informazioni sull'autoreVisualizza il profilo completo

Michael Stewart, MRPharmS
Responsabile Revisione Foglietti Illustrativi – Contrattista, Farmacista
BPharm (Hons), MRPharmS
Michael è un farmacista comunitario che esercita nelle Midlands e nel South Yorkshire con oltre 20 anni di esperienza nel consigliare su farmaci e condizioni mediche. Ha una solida esperienza nella formazione sanitaria, avendo prodotto e tenuto corsi di formazione per team di farmacia e personale di strutture di assistenza residenziale, inclusi infermieri. Ha anche contribuito a consigli consultivi farmaceutici per la gestione di condizioni a bassa gravità nella comunità.
Informazioni sul recensoreVisualizza il profilo completo

Dr Colin Tidy, MRCGP
Medico di base, Autore medico
MBBS, MRCGP, MRCP (Paediatrics), DCH
Il Dr Colin Tidy è un medico del NHS, con sede nell'Oxfordshire.
Storia dell'articolo
Le informazioni su questa pagina sono scritte e revisionate da clinici qualificati.
Articolo disponibile anche in Inglese, Tedesco, Spagnolo, Francese, Italiano, Portoghese, Hindi, Ebraico, Arabo, and Svedese.
Next review due: 25 Oct 2027
27 Apr 2023 | Ultima versione

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