Benadryl 10 mg One a Day – 7 Tablets

Description

Benadryl 10 mg One a Day – 7 Tablets

Benadryl 10 mg One a Day tablets are a non-drowsy antihistamine used to relieve the symptoms of hay fever and other allergies, such as sneezing, a runny nose, itchy eyes, and skin reactions. Each pack contains 7 tablets, providing a week’s worth of once-daily allergy relief.

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How It Works

The active ingredient, cetirizine hydrochloride, is a second-generation antihistamine. It works by blocking histamine receptors in the body — histamine is the chemical your immune system releases during an allergic reaction that causes symptoms like itching, sneezing, and a runny nose. By blocking histamine, cetirizine helps to reduce and prevent these symptoms without causing significant drowsiness in most people.

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Directions for Use

Adults and children aged 12 years and over should take one 10 mg tablet once daily, with or without food. Swallow the tablet whole with a drink of water. Do not take more than one tablet in 24 hours. This medicine is not recommended for children under 12 years of age. 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

• Cetirizine hydrochloride 10 mg per tablet

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Possible Side Effects

• Headache
• Dry mouth
• Drowsiness or tiredness (in some people)
• Dizziness
• Nausea or stomach discomfort
• Sore throat
• Skin rash or itching (uncommon)
• Allergic reactions such as swelling of the face, lips, or throat (rare)

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

• People who are allergic to cetirizine hydrochloride, hydroxyzine, or any other ingredient in the tablet
• Children under 12 years of age
• People with severe kidney disease (unless advised by a doctor)
• People with a rare inherited condition called galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption (due to the lactose content)

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Interactions

Cetirizine may interact with other medicines that cause drowsiness, including certain sedatives, sleeping tablets, anxiety medicines, and some antidepressants, potentially increasing the risk of tiredness. Theophylline (used for breathing conditions) may slightly reduce the clearance of cetirizine from the body. 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 cetirizine during pregnancy has not been fully established, and it is not recommended for use during pregnancy unless considered essential by a doctor. Cetirizine passes into breast milk and is not recommended 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

Although cetirizine is considered non-drowsy for most people, drinking alcohol alongside this medicine may increase the risk of drowsiness or dizziness. It is advisable to avoid or limit alcohol while taking Benadryl 10 mg One a Day tablets.

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Driving and Operating Machinery

Benadryl 10 mg One a Day is generally considered non-drowsy; however, some people may experience drowsiness, dizziness, or difficulty concentrating. You should not drive or operate heavy machinery if you notice any of these effects. Individual responses can vary, so take care, especially when first starting this medicine.

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Storage

Store below 25°C in a dry place, away from direct sunlight and heat. Keep in the original packaging. 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	Benadryl