Chlorphenamine Solution 2mg/5ml – 150ml

Description

Chlorphenamine Solution 2mg/5ml – 150ml

Chlorphenamine Solution 2mg/5ml is an antihistamine oral solution used to relieve the symptoms of hay fever, allergies, and allergic skin conditions such as hives and eczema. It is suitable for adults and children aged 1 year and over.

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How It Works

Chlorphenamine maleate is a first-generation antihistamine that works by blocking histamine H1 receptors in the body. When you come into contact with an allergen — such as pollen, pet dander, or dust mites — your body releases histamine, which causes symptoms like sneezing, itching, and a runny nose. By blocking histamine’s effects, chlorphenamine helps to relieve these uncomfortable symptoms quickly.

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Directions for Use

Use the measuring device provided to take the correct dose. Recommended doses are as follows:

• Adults and children aged 12 and over: 10ml (4mg) up to 4 times a day. Maximum 40mg in 24 hours.
• Children aged 6–11 years: 5ml (2mg) up to 4 times a day. Maximum 20mg in 24 hours.
• Children aged 2–5 years: 2.5ml (1mg) up to 4 times a day. Maximum 10mg in 24 hours.
• Children aged 1–2 years: 2.5ml (1mg) twice daily. Use only under medical supervision.

Space doses evenly throughout the day and do not exceed the recommended dose. Always read the patient information leaflet before use. If you are unsure about the correct dose, speak to your PillSorted pharmacist.

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Active Ingredients

• Chlorphenamine Maleate 2mg per 5ml

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Possible Side Effects

• Drowsiness or sedation
• Dizziness or impaired coordination
• Dry mouth, nose, or throat
• Headache
• Blurred vision
• Difficulty urinating
• Nausea or stomach upset
• Restlessness or excitability (more common in children)

If you experience any serious side effects, stop taking this medicine and seek medical advice immediately.

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Who Should Not Take This Medicine

• Children under 1 year of age
• Anyone with a known allergy to chlorphenamine maleate or any other ingredient in this product
• People with acute asthma or severe respiratory disease
• Those currently taking monoamine oxidase inhibitors (MAOIs) or who have taken them within the last 14 days
• People with angle-closure glaucoma
• Those with difficulty passing urine due to an enlarged prostate
• People with epilepsy

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Interactions

Chlorphenamine may interact with other medicines, including sedatives, sleeping tablets, anti-anxiety medicines, antidepressants (particularly MAOIs and tricyclics), and other antihistamines, increasing the risk of drowsiness and side effects. It may also interact with some medicines used for stomach complaints (anticholinergic drugs) and certain medicines for Parkinson’s disease. Tell your PillSorted pharmacist or doctor about all medicines you are currently taking, including herbal remedies and supplements.

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Pregnancy and Breastfeeding

The safety of chlorphenamine during pregnancy has not been fully established, and it is generally not recommended during the first trimester or close to the time of delivery. Chlorphenamine may pass into breast milk and is not recommended for use while breastfeeding. Speak to your doctor or PillSorted pharmacist before use if you are pregnant, trying to conceive, or breastfeeding.

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Alcohol

You should avoid drinking alcohol while taking chlorphenamine solution. Alcohol can significantly increase the sedative effect of this medicine, causing excessive drowsiness and impairing your ability to function safely.

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Driving and Operating Machinery

Chlorphenamine is a sedating antihistamine and can cause significant drowsiness, dizziness, and blurred vision, which may affect your ability to drive or operate heavy machinery. You should not drive or operate machinery until you know how this medicine affects you. This effect may be worsened by alcohol or other sedating medicines.

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Storage

Store below 25°C in a dry place, away from direct sunlight and heat. Once opened, use within 28 days. Keep out of sight and reach of children. Do not use after the expiry date shown on the packaging.

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Important Information

• This product is a medicine. Speak to your doctor or PillSorted pharmacist before taking this product if you have an underlying medical condition or are taking any other medication or complementary therapy.
• If symptoms worsen or persist, contact your doctor.
• If pregnant, trying to conceive or breastfeeding, seek medical advice before use.
• If you suffer from allergies, confirm suitability with your PillSorted pharmacist before use.
• Store out of sight and reach of children.
• Read the enclosed patient information leaflet carefully before use.
• Contact your GP where appropriate.

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Patient Information Leaflet

For the full Patient Information Leaflet (PIL) for this medicine, visit the electronic Medicines Compendium (EMC). For further information about this medicine, visit NHS.uk.

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This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: February 2026.

Brand	Generic