Phenergan Night Time 25mg – 14 Tablets

Description

Phenergan Night Time 25mg – 14 Tablets

Phenergan Night Time 25mg tablets are used as a short-term aid for adults who are having trouble sleeping (insomnia). Each tablet contains 25mg of promethazine hydrochloride, an antihistamine that helps you fall asleep more easily and enjoy a more restful night.

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How It Works

Promethazine hydrochloride belongs to a group of medicines called antihistamines. It works by blocking histamine receptors in the brain, which has a sedative (sleep-inducing) effect, helping you to feel drowsy and drift off to sleep more naturally.

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Directions for Use

Adults aged 16 years and over: take one tablet (25mg) at bedtime. Do not take more than one tablet in 24 hours. This medicine is not suitable for children under 16 years of age. Phenergan Night Time should only be used for short-term sleep difficulties and is not recommended for use on more than 7 consecutive nights. 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

• Promethazine hydrochloride 25mg per tablet

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Possible Side Effects

• Drowsiness or grogginess the next day
• Dizziness or difficulty concentrating
• Dry mouth
• Blurred vision
• Difficulty passing urine
• Headache
• Restlessness or excitability (more common in children and elderly people)

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 16 years of age
• People who are allergic to promethazine hydrochloride or any other ingredient in the tablets
• People with epilepsy or a history of seizures
• People with certain heart conditions or irregular heartbeat
• People with glaucoma (raised eye pressure)
• People with an enlarged prostate or difficulty passing urine
• People taking monoamine oxidase inhibitors (MAOIs) or who have taken them in the last 14 days
• People with severe liver problems

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Interactions

Promethazine may interact with several types of medicines, including other sedatives, sleeping tablets, antidepressants, antipsychotics, medicines for anxiety, certain antihistamines, and medicines that affect heart rhythm. It may also enhance the effects of alcohol and other substances that cause drowsiness. 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

Phenergan Night Time is not recommended during pregnancy as promethazine may affect the unborn baby, particularly near the time of birth. Promethazine can pass into breast milk and may cause drowsiness in a breastfed baby, so it should be avoided 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 not drink alcohol while taking Phenergan Night Time. Alcohol increases the sedative effects of promethazine, which can lead to excessive drowsiness, impaired judgement, and in some cases can be dangerous.

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Driving and Operating Machinery

Phenergan Night Time causes significant drowsiness and may still affect you the morning after you take it. Do not drive, cycle, or operate machinery until you are sure you are fully alert and any sedative effects have completely worn off. This medicine can seriously impair your reaction times and ability to concentrate.

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Storage

Store below 25°C in a dry place, away from direct sunlight and moisture. 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	Phenergan