Benadryl Allergy

What Is Benadryl Allergy?

Benadryl Allergy is a non-drowsy antihistamine which is used to treat perennial and seasonal allergic rhinitis (including hayfever, dust mite allergies, and pet allergies).

You can also use Benadryl Allergy tablets to treat allergic skin rashes (such as hives or urticaria). Further information on the uses of Benadryl Allergy tablets can be found inside the patient information leaflet which comes with your medicine.

Benadryl Allergy is available as a once-a-day tablet containing 10 mg of cetirizine. It is suitable for adults and children aged 12 and over.

You can buy Benadryl Allergy hayfever tablets online from Prescription Doctor's trusted online pharmacy without the need of a prescription. We offer a next-day delivery on all orders approved before 3pm, Monday to Friday.

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How Does Benadryl Allergy Work?

The active ingredient in Benadryl Allergy is cetirizine dihydrochloride, a non-drowsy (non-sedating) antihistamine.

Benadryl Allergy prevents histamines from causing an allergic reaction within the body (the body produces histamines when it reacts to an allergen and the results include a runny nose, sneezing, itchy eyes, and rashes).

Cetirizine within Benadryl Allergy tablets blocks the histamine receptors, so no allergic reaction occurs.

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How Do I Take Benadryl Allergy?

For adults and children over 12, take one tablet once a day with a glass of water. Benadryl Allergy does not need to be taken on an empty stomach.

In order for Benadryl to be effective, it should be taken once your hayfever symptoms have begun, or if you anticipate them beginning in the near future.

If symptoms continue after taking Benadryl hayfever tablets, seek advice from a pharmacist or doctor.

What should I do if I forget to take Benadryl when I should?

If you forget to take Benadryl, your hayfever symptoms may persist. Take the correct dosage as soon as you remember.

Do not take a double dose of Benadryl Allergy to make up for a missed dose – it should only be taken once every 24 hours.

What should I do if I take too much Benadryl?

If you accidentally take more Benadryl Allergy tablets than you should, call 111 or contact your doctor immediately for advice.

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Side Effects Of Benadryl Allergy

Before taking Benadryl Allergy tablets, it's important to read the patient information leaflet enclosed with your medication.

You can read the patient information leaflet for Benadryl Allergy One-A-Day tablets online.

Who Should Not Take Benadryl?

Most people can take Benadryl Allergy without any issues, and it will work effectively.

Some groups of people who should avoid Benadryl. These include:

• Children under 12
• Patients on dialysis with severe kidney failure
• People who are allergic to any of the ingredients within Benadryl

Who Should Get Medical Advice Before Using Benadryl?

It is always wise to speak to a medical professional before taking Benadryl Allergy hayfever if you are unsure whether it is safe for you.

Those who should always seek medical advice before using Benadryl include:

• Those with kidney problems – a lower dose may be recommended
• Those with epilepsy
• Pregnant and breastfeeding women

Can I take Benadryl Allergy while pregnant or breastfeeding?

If you are pregnant or breastfeeding, speak to your doctor before taking Benadryl Allergy hayfever tablets.

Benadryl And Other Medications

If you are prescribed histamine for any conditions such as leukaemia, taking Benadryl may have a negative effect since it reduces the effectiveness of histamines. Antihistamines such as Benadryl can also affect how well betahistine works, and should be avoided if possible.

Allergic reaction

If you are allergic to cetirizine dihydrochloride or any of the other ingredients listed on the packaging or patient information leaflet, do not take Benadryl.

If you experience an allergic reaction shortly after taking Benadryl Allergy One-A-Day hayfever tablets, inform your doctor straight away or go directly to the nearest accident and emergency department.

Signs of allergic reaction include:

• Chest tightening
• Dry, red and cracked skin
• Itchy, red watery eyes
• Raised, itchy, red rash (hives)
• Swelling of the lips, tongue, eyes or face
• Tummy pain, nausea, vomiting or diarrhoea
• Wheezing

Side effects of Benadryl Allergy

It's important to understand the risk associated with taking any medication, whether it was bought over-the-counter or prescribed to you by your doctor.

Common side effects (may affect up to 10 in 100 people):

• Drowsiness or tiredness
• Dry mouth, sore throat
• Headache or dizziness
• Restlessness
• Runny nose
• Upset stomach, abdominal pain, diarrhoea, nausea

Uncommon side effects (may affect up to 10 in 1,000):

• Agitation
• Feeling of general discomfort or uneasiness
• Pins and needles
• Unusual weakness

This is not an exhaustive list of side effects. Further information regarding the safety of Benadryl Allergy hayfever tablets, as well as a full list of side effects, can be found within the patient information leaflet enclosed with your medicine.

If you experience any side effects, regardless of whether they are listed above or in the patient information leaflet, inform your doctor as soon as possible.

Other safety information

Always seek your doctor's advice before you buy Benadryl online.

Please inform our doctor of all medications you are currently taking, whether they were bought over-the-counter or prescribed by your doctor, including health supplements.

Do not take Benadryl past the expiry date printed on the packaging. The date refers to the last day of that month.

Do not throw away medicine via household or water waste. Take any unwanted or expired medicine to your local pharmacy and ask them to dispose of it safely on your behalf.

Always keep medicines out of the sight and reach from children.

Never share your medicine with anyone else, even if they are experiencing the same symptoms as you.

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Frequently asked questions

Can I drink alcohol while taking Benadryl?

You should avoid or limit alcohol consumption while taking Benadryl.

Drinking alcohol while taking Benadryl can increase your risk of side effects such as dizziness, drowsiness and nausea.

Will Benadryl impact my ability to drive or operate machinery?

For most people, Benadryl is unlikely to cause drowsiness. You should always ensure you know how this medication will affect you before carrying out any potentially hazardous activities including driving or operating machinery.

If Benadryl makes you feel drowsy, do not drive or operate machinery until you feel it is safe for you to do so.

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Where can I buy Benadryl Allergy?

You can buy Benadryl Allergy tablets over-the-counter from most pharmacies and supermarkets.

You can also buy Benadryl online from our online pharmacy - Prescription Doctor. We offer a next-day discreet delivery on all orders and have qualified doctors on hand to answer any queries you may have.

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Table of contents

What Is Benadryl Allergy?

How Does Benadryl Allergy Work?

How Do I Take Benadryl Allergy?

Side Effects Of Benadryl Allergy

Frequently Asked Questions