What is Benadryl Plus?

Benadryl Allergy Relief Plus Decongestant Capsules is a fast-acting treatment that relieves the symptoms associated with hay fever and other types of allergy (e.g. pet, dust, skin.) such as sneezing, itchy nose, watery eyes and blocked sinuses/nasal congestion.

The capsules contain acrivastine, an antihistamine, and pseudoephedrine, a decongestant that works together to help provide relief from bothersome symptoms.

Ideal for providing treating symptoms associated with hay fever, dust allergies, pet allergies.

How To Take Benadryl Plus:

Adults & children over 12 years: 1 capsule up to 3 times per day. No more than 3 capsules in 24 hours.

Not suitable for children under 12 years and adults over 65 years old.


Acrivastine 8mg (antihistamine) and Pseudoephredine 60mg (decongestant).

Who Should Not Use Benadryl Plus?

This medicine should not be used by the following groups of patients without first seeking medical advice from your GP or our Pharmacist:

  • Children under 12 years old and Adults over 65 years old
  • Allergy to Acrivastine or Pseudoephedrine
  • Diabetes
  • Phaeochromocytoma
  • Closed-angle glaucoma
  • Hyperthyroidism, which is an overactive thyroid gland
  • High blood pressure (using blood pressure medicines)
  • Urinary retention problems eg those finding it hard to urinate due to enlarged prostate)
  • Emphysema or other chronic lung conditions like bronchitis
  • Severe Liver disease
  • Moderate to Severe Kidney disease

Benadryl Plus is not suitable if you use any of the following medicines without first speaking with your GP or Pharmacist for medical advice:

  • Currently using beta-blockers
  • Ongoing use of other oral decongestants commonly found in over the counter cough and cold medicines
  • Tricyclic anti-depressants eg Amitriptyline
  • Appetite stimulants
  • Ketoconazole, for fungal infections
  • Erythromycin, an antibiotic
  • If you are taking, or have taken in the last two weeks, drugs for depression known as Monoamine Oxidase Inhibitors (MAOIs) or Reverse Inhibitors of Monoamine Oxidase
  • Cardiac glycosides, like Digoxin

This list is not exhaustive and more information can be found in the patient information leaflet.

What Side Effects Could I Expect?

Benadryl Plus is generally well tolerated but the following side effects tend to be the most common:

  • Headaches
  • Drowsiness
  • Difficulty sleeping, nervousness or dizziness
  • Dry mouth or nausea

This list is not exhaustive and for less common side effects please refer to the patient information leaflet.

Driving and using Machinery

This medicine may make you feel sleepy or dizzy, if affected please do not drive or operate machinery

If you have any questions about how this product may interact with your current medicines or conditions please contact us and one of our pharmacists will be more than happy to help.

Can I use Benadryl Plus if I am Pregnant or Breastfeeding?

This medicine is NOT suitable for patients who are pregnant or breastfeeding. Please speak with your pharmacist or GP for further information.

Can I Buy Benadryl Allergy Relief Plus Decongestant Capsules Over The Counter?

This medicine is available to buy over the counter. You do not need a prescription to buy Benadryl Allergy Relief Plus Decongestant Capsules but you will be asked some questions about your medical health when you add it to your basket. Our pharmacist will check your consultation prior to despatch to ensure it is safe and appropriate for you.


Always read the product leaflet before use.

Useful Information

This product is a medicine, and the sales are monitored to ensure the safety of our customers. From time to time we may impose limits on the amounts you may purchase and apply restrictions to the frequency of orders. Please helpful advice please read Our Policies in the footer of the site to understand more.

If you are pregnant, trying to become pregnant, or breastfeeding, speak to your doctor or our pharmacist before taking this product. If you suffer from any allergies, ask your doctor or our pharmacist if his medicine is right for you.

Store all medicines out of sight and reach of children and below 25c in a dry place away from direct sunlight.

Please read the included leaflet carefully before using this product and if you have any questions please contact one of our pharmacists for more information.

Please contact your GP if appropriate regarding this product.

Product Images: Whilst we try to keep our product images up to date we may, particularly for non-branded products ship the same medicine but in different packaging. If you have any questions about this policy please get in touch.


About us


At Peak Pharmacy Online, we prioritize your well-being. Enjoy free delivery on orders over £35, and experience genuine UK pharmacy products with transparent, friendly service. Learn more About Us 

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