Skip to product information
1 of 3

  • Images are for illustration purposes only
  • Gphc Registered
  • Join over 100k customers
  • Fixed prices and no subscriptions
  • Discreet next day delivery.
  • Free shipping on all orders over £50

Benadryl Allergy One A Day 10mg

Benadryl Allergy One A Day 10mg

  • 1. Ozempic®️-equivalent therapy now available for weight management
  • 2. Average weight loss of 17%, with 1 in 3 patients achieving over 20%
  • 3. May help reduce osteoarthritis-related pain
  • 4. Wegovy®️ is not expected to impact the effectiveness of oral contraceptives
  • 5. Supports cardiovascular risk reduction
  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

We’re proud to offer fast and discreet delivery for all our medicines & treatments.

Price Checker

Regular price £9.99
Sale price £9.99
Sale Sold out
  • Lowest price guarantee
  • Includes FREE private prescription
View full details

Benadryl Allergy One A Day cetirizine 10mg tablets for effective allergy relief

 

How does cetirizine work for allergies?

 

Cetirizine belongs to a group of medicines called antihistamines. When you come into contact with allergens like pollen, dust mites, or pet dander, your body releases histamine, which causes allergy symptoms. Cetirizine works by blocking histamine receptors, preventing the allergic reaction from occurring.

This medicine provides relief from common allergy symptoms including sneezing, runny nose, itchy eyes, and skin reactions. The once-daily formulation means you can take one tablet in the morning to maintain symptom control throughout the day.

What conditions does Benadryl Allergy One A Day treat?

 

You can use this medicine to treat various allergic conditions that affect your daily life. It's particularly effective for seasonal allergies caused by tree pollen, grass pollen, and weed pollen during spring and summer months.

The cetirizine 10mg tablets also provide relief from perennial allergies caused by indoor allergens such as house dust mites, mould spores, and animal dander. If you suffer from chronic urticaria (hives), this medicine can help reduce the itching and skin welts associated with this condition. For comprehensive allergy management, you may find our allergy and hay fever collection helpful for additional treatment options.

Who can take this allergy medicine?

 

Adults and children aged 6 years and over can take Benadryl Allergy One A Day. The medicine is suitable for most people, but you should check with your pharmacist or doctor before use if you have certain medical conditions.

You should not take this medicine if you're allergic to cetirizine or any of the other ingredients. People with severe kidney problems may need a lower dose, so speak to your healthcare provider before starting treatment.

Benefits of once-daily allergy treatment

 

  • Provides 24-hour relief from allergy symptoms with just one tablet
  • Non-drowsy formula allows you to continue daily activities
  • Suitable for both seasonal and year-round allergies
  • Can be taken with or without food for convenience

Storage and handling instructions

 

Store your tablets in the original packaging at room temperature, away from direct sunlight and moisture. Keep the medicine out of reach and sight of children. Do not use the tablets after the expiry date printed on the packaging, and dispose of any unused medicine safely through your local pharmacy.

Check the tablets before taking them - they should be white and round. If the packaging is damaged or the tablets look different from normal, do not use them and contact your pharmacist for advice.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

 

Recommended dosage for adults and children

Adults and children aged 12 years and over should take one tablet once daily. Children aged 6 to 11 years should take half a tablet twice daily or one tablet once daily, depending on the severity of symptoms and response to treatment. Always follow the dosage instructions on the packaging or as advised by your pharmacist.

If you forget to take a dose, take it as soon as you remember unless it's nearly time for your next dose. In this case, skip the missed dose and continue with your regular dosing schedule. Never take a double dose to make up for a forgotten tablet.

How to take your antihistamine tablets

Swallow the tablet whole with a glass of water. You can take the medicine with or without food, whichever you prefer. Taking it at the same time each day helps maintain consistent levels of the medicine in your system for optimal symptom control.

The tablet starts working within one hour of taking it, with peak effects occurring after 2-3 hours. The effects last for approximately 24 hours, which is why once-daily dosing is sufficient for most people. Do not exceed the recommended dose unless specifically advised by your doctor.

Understanding potential side effects of cetirizine

Like all medicines, Benadryl Allergy One A Day can have side effects, although not everyone will experience them. Most people tolerate cetirizine well, and serious side effects are uncommon. If you're managing multiple health conditions, our skin care collection may provide additional support for allergy-related skin symptoms.

The most commonly reported side effects include drowsiness, headache, and dry mouth. These effects are usually mild and may decrease as your body adjusts to the medicine.

  • Drowsiness or fatigue
  • Headache
  • Dry mouth
  • Nausea
  • Dizziness
  • Stomach pain
  • Diarrhoea
  • Sore throat
  • Runny nose
  • Agitation or restlessness (particularly in children)

If you experience these or any other side effects, speak to your doctor or pharmacist right away. For more information about reporting side effects please see the MHRA Yellow Card Scheme.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

We’re a safe and
regulated UK service

Registered Pharmacy Badge

Lowest Price Guarantee

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

100% discreet packaging

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

Agent

Need help?
Talk to our friendly experts now

How our service works

Service Setup

Service setup

Discreet Packaging

Discreet packaging

Express Delivery

Express delivery