What is a Patient Information Leaflet and why is it useful?

The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine. It is written for patients and gives information about taking or using a medicine. It is possible that the leaflet in your medicine pack may differ from this version because it may have been updated since your medicine was packaged.

Below is a text only representation of the Patient Information Leaflet. The original leaflet can be viewed using the link above.

The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet are: PL17780/0465, PL17780/0466.

Alimemazine Tartrate 7.5mg/5ml and 30mg/5ml Syrups


Alimemazine Tartrate 7.5mg /5 ml Syrup

Alimemazine Tartrate 30mg /5 ml Syrup

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

  • Keep this leaflet. You may need to read it again
  • If you have any further questions, ask your doctor or pharmacist
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours
  • If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4

What is in this leaflet

1. What alimemazine is and what it is used for
2. What you need to know before you take alimemazine
3. How to take alimemazine
4. Possible side effects
5. How to store alimemazine
6. Contents of the pack and other information


The name of your medicine is Alimemazine Tartrate 7.5mg/5ml Syrup or Alimemazine 30mg/5ml Syrup (called alimemazine throughout this leaflet). It contains the active ingredient alimemazine tartrate and belongs to a group of medicines called phenothiazines and works by blocking a natural substance (histamine) that your body makes during an allergic reaction. It also works directly on the brain to help you feel more relaxed.

What alimemazine is used for

  • To treat itching (pruritus) or an itchy, lumpy rash (urticaria)
  • As a sedative for children aged between 2 and 7 years. This is a medicine given to reduce awareness or make the child feel relaxed and at ease before an operation


Do not take this medicine and tell your doctor if

  • You are allergic (hypersensitive) to:
    • alimemazine tartrate or any of the other ingredients in this medicine(listed in section 6 below)
    • any other similar medicines (phenothiazines) such as chlorpromazine
    The signs of an allergic reaction include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue
  • You have liver or kidney problems
  • You have epilepsy
  • You have Parkinson’s disease
  • You have thyroid problems (hypothyroidism)
  • You have a tumour on the adrenal gland (called phaeochromocytoma)
  • You have myasthenia gravis (a form of muscle weakness)
  • You have an enlarged prostate gland
  • You have increased pressure in the eye (called narrow angle glaucoma)


Alimemazine should not be used in children less then 2 years old.

Do not take this medicine if any of the above applies to you. If you are not sure, talk to your doctor or pharmacist before taking alimemazine.

Warnings and precautions

Talk to your doctor or pharmacist before taking alimemazine if

  • You are diabetic. This medicine contains sucrose, a type of sugar
  • You have heart problems
  • You are elderly and are dehydrated or have been told you have a low blood volume
  • You are elderly and have had constipation for some time
  • You are an elderly male and have problems when passing water (urine)
  • You are elderly and it is very hot or cold. Your body may find it harder to control its temperature when taking this medicine

If you are not sure if any of the above apply to you, talk to your doctor or pharmacist before taking alimemazine.

Other medicines and alimemazine tablets

Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines. This includes medicines you can buy without prescription, including herbal medicines. This is because alimemazine can affect the way some medicines work. Also some medicines can affect the way alimemazine works.

In particular, tell your doctor or pharmacist if you are taking any of the following:

  • Medicines to help you sleep or lower your anxiety
  • Lithium – used to treat some types of mental illness
  • Amfetamine – used for Attention Deficit Hyperactivity Disorder (ADHD)
  • Phenobarbital – used for epilepsy
  • Adrenaline - used for life threatening allergic reactions
  • Medicines for Parkinson’s disease such as levodopa
  • Medicines for depression
  • Medicines for severe pain (such as codeine or morphine)
  • Medicines for diabetes. Your doctor may need to change the dose of your medicine
  • Medicines for high blood pressure such as doxazosin, terazosin, guanethidine, clonidine
  • Medicines for indigestion and heartburn (antacids)
  • Anticholinergic medicines - includes some medicines used for irritable bowel syndrome, asthma or incontinence

Alimemazine with alcohol

Do not drink alcohol or take any medicines containing alcohol while you are taking alimemazine. This is because alcohol can increase the chances of you getting side effects. It can also cause serious breathing difficulties.

Pregnancy and breast-feeding

If you are pregnant, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.

You should not take alimemazine if you are breast-feeding. This is because small amounts may pass into mothers’ milk. This can be harmful to your baby.

If you are breast-feeding or planning to breast-feed, talk to your doctor or pharmacist before taking any medicine.

Driving and using machines

You may feel drowsy or sleepy while taking this medicine. If this happens, do not drive or use any tools or machines.

Alimemazine contains sucrose, sodium sulphite, sodium metabisulphite, ethanol and sodium

  • Sucrose. This is a type of sugar. If you have been told by your doctor that you cannot tolerate or digest some sugars (have an intolerance to some sugars), talk to your doctor before taking this medicine
  • Sodium sulphite and sodium metabisulphite. These may rarely cause severe allergic (hypersensitivity) reactions and difficulty breathing, wheezing and tightness in the chest (bronchospasm)
  • Ethanol. Alimemazine contains 5% ethanol (alcohol) (as 96%v/v). Each 5ml dose contains up to 203mg ethanol. This is equivalent to 5ml beer, 2ml wine per dose. This can be harmful for those suffering from alcoholism. Take this into account if you are pregnant or breast-feeding. Also if you are giving this medicine to a child or to people who have higher chances of getting liver problems or epilepsy.
  • Sodium. Alimemazine contains approximately 28mg of sodium per 5ml dose. Take this into account if you are on a controlled sodium diet


Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure.

Taking this medicine

  • Take this medicine by mouth
  • Avoid the syrup touching any part of your skin. This can cause skin redness, swelling and itching (contact skin sensitisation)
  • If you feel the effect of your medicine is too weak or too strong, do not change the dose yourself, but ask your doctor
  • Do not take more than the recommended dose

How much to take

The usual dose is:

For itching or an itchy lumpy rash


  • 10 mg two or three times each day
  • Your doctor may increase your dose depending on your illness

Older people

  • 10 mg once or twice each day

Children over 2 years of age

  • Alimemazine syrup should be used 2.5 to 5 mg three or four times each day

As a sedative

Children aged between 2 and 7 years:

Alimemazine Tartrate syrup should be used

  • Your child’s doctor will decide the amount to give
  • The maximum dose is 2 mg per kg of bodyweight
  • Alimemazine is given 1-2 hours before the operation

Exposure to sunlight

Alimemazine can make your skin more sensitive to sunlight. Keep out of direct sunlight while taking this medicine.

If you take more alimemazine than you should

If you take more alimemazine than you should, tell a doctor or go to a hospital casualty department straight away. Take the medicine pack with you. This is so the doctor knows what you have taken. Also do this if a child under 2 years of age swallows some of this medicine.

The following effects may happen: feeling drowsy, loss of consciousness, increased or rapid heartbeat, changes in heart beat, uneven heart beats and feeling very cold. You may also feel dizzy, light-headed or faint (due to low blood pressure) and you may notice that you cannot control your movements (for example of the eyes, neck, arms and legs).

If you forget to take alimemazine

If you forget a dose, take it as soon as you remember it. However, if it is nearly time for the next dose, skip the missed dose. Do not take a double dose to make up for a forgotten dose

If you have any further questions on the use of this product, ask your doctor or pharmacist.


Like all medicines, this medicine can cause side effects, although not everybody gets them.

Stop taking alimemazine and see a doctor or go to a hospital straight away if you notice any of the following side effects:

  • An allergic reaction. The signs may include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue
  • Liver problems that may cause the eyes or skin to go yellow (jaundice)
  • High temperature, sweating, stiff muscles, fast heartbeat, fast breathing and feel confused, drowsy or agitated
  • These could be signs of a serious side effect called ‘neuroleptic malignant syndrome’
  • Very fast, uneven or forceful heartbeat (palpitations). You may also have breathing problems such as wheezing, shortness of breath, tightness in the chest and chest pain
  • Convulsions/fits and movements that you cannot control, mainly of the tongue, mouth, jaw, arms and legs
  • You may get infections more easily than normal such as fever, severe chills, sore throat or mouth ulcers. These could be signs of a blood problem

Tell a pharmacist or doctor as soon as possible if you have any of the following side effects:

  • Breathing more slowly or less deeply than normal
  • Feeling restless and not being able to keep still (akathisia)
  • Changes in skin or eye colour
  • Problems with your eyesight
  • Rigid or stiff muscles, trembling or shaking or difficulty moving
  • Feeling dizzy, light-headed or faint when you stand or sit up quickly (due to low blood pressure)
  • Unexpected excitement or hyperactivity

Tell your doctor or pharmacist if any of the following side effects gets serious or lasts longer than a few days or if you notice any side effects not listed in this leaflet:

  • Dry mouth
  • Stuffy nose
  • Difficulty sleeping (insomnia)
  • Feeling agitated
  • Being more sensitive to the sun than usual
  • Unusual production of breast milk in men and women
  • Breast enlargement in men
  • Loss of menstrual periods
  • Difficulty in getting or maintaining an erection or in ejaculating (impotence)
  • Skin redness, swelling and itching (contact skin sensitisation)
  • Skin rashes

Reporting of side effects

If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard. By reporting side effects, you can help provide more information on the safety of this medicine.


Keep out of the sight and reach of children

  • Do not use alimemazine after the expiry date which is stated on the carton and bottle label after EXP. The expiry date refers to the last day of that month
  • Do not use alimemazine after the bottle has been opened for more than a month
  • Store below 25°C
  • Protect from light

Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.


What alimemazine contains

  • Each 1ml of alimemazine 7.5mg/5ml syrup contains 1.5mg of the active substance, alimemazine tartrate
  • Each 1ml of alimemazine 30mg/5ml syrup contains 6mg of the active substance, alimemazine tartrate
  • The other ingredients are sucrose, apricot flavour (no. 1NS), ethanol, citric acid anhydrous, sodium citrate granules, sodium benzoate, sodium sulphite anhydrous, sodium
  • metabisulphite powder, L (+) ascorbic acid and demineralised water
  • alimemazine also contains caramel

What Alimemazine syrup looks like and contents of the pack

Alimemazine Tartrate 7.5mg/5ml Syrup is a clear bright straw coloured syrupy liquid with a smell of apricots. It is available in glass bottles of 100ml.

Alimemazine Tartrate 30mg/5ml Syrup is a clear colourless to very pale yellow syrupy liquid with a smell of apricots. It is available in glass bottles of 100ml.

Marketing Authorisation Holder and Manufacturer

Marketing Authorisation Holder

One Onslow Street


Unither Liquid Manufacturing
1-3 allée de la Neste
Z.I. d'en Sigal
31770 Colomiers

This leaflet does not contain all the information about your medicine. If you have any questions or are not sure about anything, ask your doctor or pharmacist.

This leaflet was last revised in July 2018

‘Zentiva’ is a registered trademark