Capsules de Doxépine
Revu par Dr Colin Tidy, MRCGPDernière mise à jour par Michael Stewart, MRPharmSLast updated 7 Aug 2023
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Gardez vos rendez-vous réguliers avec votre médecin. Cela permet à votre médecin de suivre vos progrès.
Common side effects of doxepin include sleepiness, dry mouth, constipation, blurred vision, and dizziness.
Doxepin may make you feel sleepy. If this happens, do not drive and do not use tools or machines. Do not drink alcohol.
Tell your doctor if you experience any troublesome side effects.
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About doxepin
Type de médicament | Un antidépresseur tricyclique |
Utilisé pour | The treatment of depression in adults aged 18 and over |
Disponible sous forme de | Capsules |
What is doxepin used for?
Retour au sommaireDoxepin is used for the treatment of dépression. It belongs to a group of medicines called antidépresseurs tricycliques.
Doxepin can help ease the symptoms of depression and is particularly helpful if you also have difficulty sleeping. It is thought to work by interfering with brain chemicals (called neurotransmitters) which may be involved in causing symptoms of depression.
The exact cause of depression is not known. It can develop for no apparent reason or it may be triggered by a life event such as a relationship problem, bereavement, or illness. With depression you have a consistently low mood and other symptoms severe enough to interfere with your normal day-to-day activities.
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Side effects of doxepin
Retour au sommaireThe most common side effects of doxepin are:
Se sentir somnolent ou fatigué.
Bouche sèche.
Constipation.
Vision floue.
Dizziness - especially when getting up from a sitting or lying position.
Maux de tête.
Sensation de nausée.
Être malade (vomissements).
Sueurs.
Vous trouverez une liste complète dans la notice d'information du fabricant fournie avec votre médicament. Les effets indésirables s'améliorent souvent à mesure que votre corps s'adapte au nouveau médicament, mais parlez-en à votre médecin ou pharmacien si l'un des effets suivants persiste ou devient gênant.
How to manage doxepin side effects
Retour au sommaireCommon doxepin side effects | Que puis-je faire si je ressens cela ? |
Blurred vision, feeling sleepy or tired | Si cela se produit, ne conduisez pas et n'utilisez pas d'outils ou de machines. Ne buvez pas d'alcool |
Bouche sèche | Essayez de mâcher du chewing-gum sans sucre ou de sucer des bonbons sans sucre |
Constipation | Try to eat a well-balanced diet containing plenty of fibre and drink plenty of water |
Feeling faint or light-headed, especially when getting up from a sitting or lying position | Se lever plus lentement peut aider. Si vous commencez à vous sentir faible, asseyez-vous jusqu'à ce que la sensation passe |
Maux de tête | Ask your pharmacist to recommend a suitable painkiller |
Feeling sick or being sick, diarrhoea | Stick to simple meals - avoid rich or spicy foods. Drink plenty of water to replace lost fluids |
Sweating, flushing, difficulty in passing urine, increased appetite, feeling confused or anxious, disturbed sleep, lack of concentration, feeling shaky, itchy skin rash, weight changes, changes in sexual function, breast tenderness, changes in the way things taste, ringing in your ears, fast heartbeat | Si l'un de ces éléments devient problématique, consultez votre médecin pour obtenir des conseils |
Important : Dans de rares occasions, les médicaments qui affectent le niveau de sérotonine dans le cerveau peuvent le faire monter trop haut et causer des problèmes. Le risque est plus élevé si vous prenez plus d'un médicament ayant cet effet. Consultez un médecin si vous développez une combinaison des symptômes suivants :
Muscles raides ou mouvements 'saccadés'.
Rythme cardiaque inhabituellement rapide.
Température élevée (fièvre), sensation de malaise (nausée) ou vomissements, diarrhée.
Se sentir délirant ou voir des visions (halluciner).
Si vous ressentez d'autres symptômes que vous pensez être dus au médicament, parlez-en à votre médecin ou à votre pharmacien pour obtenir des conseils supplémentaires.
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Who should not take doxepin?
Retour au sommaireSome medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking doxepin it is important that your doctor knows:
Si vous êtes enceinte ou si vous allaitez.
If you have an overactive thyroid gland.
If you have any problems with the way your liver works, or the way your kidneys work.
If you have epilepsy or diabetes (diabetes mellitus).
If you have had problems with constipation over a long time.
Si vous avez des difficultés à uriner, ou si vous avez eu des problèmes de prostate.
If you have a heart disorder or blood vessel disease.
If you have had a mental health problem - in particular, bipolar disorder or psychosis.
If you have increased pressure in your eyes (glaucoma).
If you have been told you have phaeochromocytoma - a tumour on your adrenal gland.
If you have porphyria - a rare inherited blood disorder.
If you are taking other medicines, including those available to buy without a prescription, as well as herbal and complementary medicines. This is especially important if you have recently taken a medicine for depression, known as a monoamine-oxidase inhibitor (MAOI).
Si vous avez déjà eu une réaction allergique à un médicament.
How to take doxepin capsules
Retour au sommaireRead the manufacturer's printed information leaflet from inside the pack. It will give you more information about doxepin and will provide you with a full list of the side effects which you may experience from taking it.
Doxepin can make you feel sleepy so your doctor may advise you to take a small dose when you first start taking it, and then to increase your dose gradually as your body gets used to it.
Doxepin is often prescribed once a day at bedtime, although it can also be taken two or three times a day. Your doctor will tell you which is right for you and the directions will be printed on the label of the pack to remind you what the doctor has said.
If you have any questions about how to take the capsules, ask your pharmacist for advice.
You can take doxepin before or after meals. Many people find if helps to swallow the capsule with a drink of water.
If you forget to take a dose, take it as soon as you remember unless your next dose is due. If it is nearly time for your next dose, then take the next dose when it is due but leave out the forgotten dose. Do not take two doses together to make up for a missed dose.
Tirer le meilleur parti de votre traitement
Retour au sommaireEssayez de respecter vos rendez-vous réguliers avec votre médecin. Cela permet à votre médecin de suivre vos progrès.
You may feel that doxepin is not working for you straightaway. It can take a week or two for the effect to build up, and 4-6 weeks before you feel the full benefit. It is important that you do not stop taking it thinking that it is not helping.
While you feel depressed, you may have distressing thoughts and think about harming yourself or ending your life. If this happens, it is very important that you tell your doctor about it straightaway.
If you drink alcohol, ask your doctor for advice. Your doctor is likely to recommend that you do not drink alcohol while you are on doxepin as it increases the risk of side effects, such as feeling sleepy.
There are several types of antidepressants - each type works in a slightly different way and can have different side effects. If you find that doxepin does not suit you then let your doctor know, as another antidepressant may be found that does.
Some people who take doxepin find that their skin becomes more sensitive to sunlight than usual. Do not use sunbeds and try to avoid strong sunlight until you know how your skin reacts. Use a sun cream with a high sun protection factor.
Your doctor may ask you to carry on taking doxepin even after you feel better. This is to help stop your symptoms from returning.
If you buy any medicines, check with a pharmacist that they are suitable for you to take. This is because a number of medicines can increase the risk of side effects from doxepin, including some painkillers, flu remedies and antihistamines.
If you have diabetes you may need to check your blood sugar (glucose) more frequently. This is because doxepin can alter the levels of sugar in your blood. Your doctor will advise you about this.
If you are due to have any medical treatment, tell the person carrying out the treatment that you are taking a tricyclic antidepressant, as they can interfere with some anaesthetics.
Continue to take doxepin unless your doctor tells you otherwise. Stopping treatment suddenly can sometimes cause problems and your doctor may want you to reduce your dose gradually if this becomes necessary.
How to store doxepin capsules
Retour au sommaireGardez tous les médicaments hors de la portée et de la vue des enfants.
Conserver dans un endroit frais et sec, à l'abri de la chaleur et de la lumière directes.
Informations importantes sur tous les médicaments
Retour au sommaireInformations importantes sur tous les médicaments
Ne prenez jamais plus que la dose prescrite. Si vous soupçonnez que vous ou quelqu'un d'autre avez pris une surdose de ce médicament, rendez-vous immédiatement au service des urgences de votre hôpital local. Emportez le contenant avec vous, même s'il est vide.
Ce médicament est pour vous. Ne le donnez jamais à d'autres personnes, même si leur état semble être le même que le vôtre.
Ne gardez pas de médicaments périmés ou indésirables. Apportez-les à votre pharmacie locale qui s'en débarrassera pour vous.
Si vous avez des questions concernant ce médicament, demandez à votre pharmacien.
Signaler les effets secondaires d'un médicament ou d'un vaccin
Si vous ressentez des effets secondaires, vous pouvez les signaler en ligne via le Yellow Card website.
Questions fréquemment posées
Retour au sommaireCan you get doxepin in the UK?
Yes, doxepin is available in the UK, but it’s not commonly prescribed compared to newer antidepressants. It may be used for depression, anxiety, or sometimes for sleep problems, but usually only when other options haven’t worked.
Is doxepin better than Xanax?
Doxepin and Xanax (alprazolam) work in very different ways. Doxepin is a tricyclic antidepressant and Xanax is a benzodiazepine, mainly prescribed short-term for anxiety or panic, as it can cause dependence if used for too long. Which is “better” depends on your condition and medical history.
How effective is doxepin for sleep?
Doxepin at low doses is sometimes prescribed to help with insomnia as it might improve sleep quality by reducing how often you wake up during the night and helping you stay asleep longer. It’s generally considered effective, especially for people who have trouble staying asleep, but it may not work for everyone.

Vous n'êtes pas sûr de mélanger des médicaments ?
Vérifiez les interactions possibles entre les médicaments, les compléments et les aliments avant de les prendre ensemble.
Lectures complémentaires et références
- Manufacturer's PIL, Doxepin 25 mg and 50 mg Capsules; Marlborough Pharmaceuticals Ltd, The electronic Medicines Compendium. Dated May 2021.
- Médicaments Complets BNF 89e Édition; Association Médicale Britannique et Société Royale Pharmaceutique de Grande-Bretagne, Londres.
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Historique de l'article
Les informations sur cette page sont rédigées et examinées par des cliniciens qualifiés.
Next review due: 6 Aug 2026
7 Aug 2023 | Dernière version

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