Try Neoclarityn to reduce your hay fever symptoms

Neoclarityn is an antihistamine commonly prescribed to treat hay fever and allergies to dust mites or pet hair.

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Strength Quantity Price Stock
5mg30 tablet£27.00In Stock
Prices exclude a prescription fee. This treatment requires a quick online consultation,
which a doctor will review to determine if a prescription is appropriate.

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Virginia Chachati

Reviewed by Virginia Chachati MPharm
(2013, University College London)
GPhC Registration number: 2087654

Information last reviewed 28/02/21


What is Neoclarityn?

Neoclarityn is an antihistamine used to treat hay fever and allergies to dust mites or pet hair. It relieves the symptoms associated with these allergic conditions and prevents them from occurring.

How does Neoclarityn work?

Neoclarityn prevents an allergic response from taking place by blocking the receptor site that histamine needs to attach to. Histamine is a chemical released by the body when you come into contact with an allergen, such as pollen, and triggers symptoms such as inflammation, runny nose, itchy eyes and sneezing.

How long will Neoclarityn take to work?

Neoclarityn will usually start to work within one or two hours of taking it.

How to prevent hayfever?

You can prevent hay fever by reducing your exposure to pollen. You can do this by trying the following steps: 

  • Stay indoors where possible if the pollen count is high on the weather forecast
  • Take antihistamines, such as Neoclarityn, as a preventative measure 
  • Keep windows closed 
  • Avoid keeping fresh flowers in the house 
  • Wear wraparound sunglasses to prevent pollen from irritating your eyes 
  • Avoid walking over freshly cut grass 
  • Wash and change your clothes after being outdoors 
  • Regularly vacuum and dust
  • Rub a small amount of petroleum jelly (such as Vaseline) on the inside of your nostrils to trap pollen and stop it from entering your nose and airways where it can cause irritation.

When is hay fever season?

Hay fever is associated with high pollen season, which typically occurs from May to September. This is when pollen is released into the air by plants, trees and grass. However, hay fever can occur at any time of year, depending on your sensitivity to pollen.

What causes hay fever?

Hay fever is a result of an allergic reaction to pollen. Pollen is a fine powdery substance released into the air by plants, trees and grass. Pollen particles come into contact with your nose, eyes and mouth. If you have hay fever, your body releases a chemical called histamine to produce fluid and try to clear the pollen out. This sets off a chain reaction of allergy symptoms such as a runny nose, sneezing, itchy eyes and a blocked nose. Hay fever is more likely to occur in people with: 

  • Asthma 
  • Eczema 
  • Other allergic conditions 
  • A family history of hay fever and allergies 
  • Continued exposure to tobacco smoke from a young age

Who is affected by hay fever?

Hay fever is a common allergy. It can develop at any time during your life and can affect anyone at any age. People with asthma, eczema or other allergies are more likely to be affected by hay fever.

Will Neoclarityn make me drowsy?

Neoclarityn is a non-drowsy antihistamine, so it should not make you feel tired or sleepy. Older types of antihistamines usually cause drowsiness, while newer varieties, such as Neoclarityn, are less likely to.


How to take Neoclarityn?

Each Neoclarityn pill contains a 5 mg dose of desloratadine. Neoclarityn is a single tablet taken once daily with water. The tablet should be swallowed whole and can be taken with or without food. Follow the instructions given by your doctor on how to take it. To treat or prevent hay fever, you may need to take Neoclarityn daily for the duration of pollen season.

What should I do if I take too much Neoclarityn?

If you take too much Neoclarityn by accident, it is unlikely to cause any harm. However, you should report this to a doctor or pharmacist as soon as possible.

What should I do if I forget to take Neoclarityn?

If you forget to take Neoclarityn, take the missed dose as soon as you remember. Do not take an extra dose in place of a missed one. This also means you should not take two tablets on the same day.

Side Effects

Common side effects while taking Neoclarityn are likely to include: 

  • Fatigue 
  • Dry Mouth 
  • Headache 

 Rare side effects of Neoclarityn may include: 

  • Allergic reaction (wheezing, breathing difficulties, hives, itching and swelling) - Please seek emergency healthcare advice if this occurs.
  • Fast heartbeat 
  • Vomiting 
  • Dizziness 
  • Muscle pain 
  • Restlessness 
  • Rash
  • Stomach ache 
  • Upset stomach 
  • Drowsiness 
  • Hallucinations 
  • Inflamed liver 
  • Heart palpitations 
  • Nausea 
  • Diarrhoea 
  • Insomnia 
  • Seizures 
  • Weakness 
  • Photosensitivity 
  • Behaviour changes 
  • Aggression 
  • Weight gain


Do not take Neoclarityn if you are allergic to any of the ingredients in the medicine. Consult your doctor if: 

  • You have problems with your kidney function 
  • You have a history of seizures 
  • You have a family history of seizures

Neoclarityn is not suitable for children under the age of 12 years old.

Drug interactions

Neoclarityn is not known to interfere with any other medicines. Always tell your doctor about any other medicines you are currently taking before starting a new treatment.

Neoclarityn and alcohol

Drinking alcohol, while taking Neoclarityn, should be kept to a minimum and avoided if possible.

Neoclarityn and pregnancy

Neoclarityn is not recommended for pregnant or breastfeeding women. Ask your doctor, if you are pregnant or planning a baby, for advice if you are thinking about taking Neoclarityn.

Can Neoclarityn be used for other allergies?

Neoclarityn can treat allergies to dust mites or pet hair. Neoclarityn can also treat other causes of allergic rhinitis and skin allergies such as hives.

Will Neoclarityn affect my ability to drive?

Neoclarityn does not usually cause drowsiness; however, it's recommended that you do not drive until you know how Neoclarityn affects you. Some people may experience drowsiness or other side effects, which can affect their reactions.

Treatment Options

Alternatives to Neoclarityn

There are many treatment options available to relieve the symptoms of hay fever. Over the counter antihistamines, nasal sprays and eye drops are readily available in pharmacies. If these do not help, a doctor can prescribe the following treatments: 

  • Steroid nasal sprays 
  • Stronger antihistamines 
  • Corticosteroid tablets for short term use 
  • Immunotherapy for severe hay fever

Is Neoclarityn the same as Claritin?

Loratadine is the active ingredient in Clarityn. Whereas Neoclarityn contains desloratadine which is an active form of loratadine.  Both medicines are the same type of antihistamine, but Neoclarityn works faster and is less likely to produce side effects.


Can I purchase Neoclarityn over the counter?

Neoclarityn is only available on prescription and cannot be purchased over the counter at a pharmacy. It is available to order online with Dr Felix after a short online consultation with one of our doctors.


Active Ingredients

The active ingredient in Neoclarityn is desloratadine.

Inactive ingredients

The other ingredients in Neoclarityn are calcium hydrogen phosphate dihydrate, microcrystalline cellulose, maize starch, talc. Tablet coating contains film coat (containing lactose monohydrate, hypromellose, titanium dioxide, macrogol 400, indigotin (E132)), clear coat (containing hypromellose, macrogol 400), carnauba wax, white wax.

Which ingredients can cause an allergic reaction?

As with all medications, Neoclarityn can cause side effects, although not everybody will experience them. Cases of severe allergic reactions, presenting as difficulty in breathing, wheezing, itching, hives and swelling, have been reported very rarely. This is a medical emergency and you should seek immediate medical attention right away.

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