FastBlock® Allergy Relief

STOP ALLERGIES... Fast Relief Begins Here!

FastBlock Allergy Relief reduces allergy symptoms unlike any other spray allergy reliever. It is not a liquid. It is not an antihistamine or steriod.

What is FastBlock Allergy Relief?

FastBlock Allergy Relief is a DRUG-FREE POWDER ALLERGY SPRAY.  But unlike liquid nasal sprays or oral medications, FastBlock Allergy Relief doesn’t cause drowsiness, irritate the nasal passages, or cause unpleasant side effects.  FastBlock Allergy Relief is clinically proven to deliver effective protection against mild allergies and hay fever caused by airborne allergens such as pollen, dust mites, and animal dander.  It’s a patented device that distributes a fine cellulose powder into the nasal passages, coating the allergy receptors in the nose where airborne allergies attack.

It stops symptoms before they begin, including:

  • Sneezing
  • Itchy & runny nose
  • Stuffy nose

Simply and effectively.

FastBlock Allergy Relief creates a barrier between allergens and receptors in the nose.  It is a simple fine powder spray that coats the allergy receptors in the nose where airborne allergies attack. And, unlike liquid sprays that have added steroids or antihistamines, it has no side effects.  

Over 20 clinical trials have been conducted on FastBlock Allergy Relief.  It’s been proven to effectively relieve symptoms such as sneezing, runny, itchy, and stuffy nose.

Who should use it?

Anyone suffering from hay fever or allergies caused by airborne allergens can use FastBlock Allergy Relief. Whether from seasonal allergies and hay fever or everyday allergies to pets or dust mites – it will relieve symptoms such as sneezing, runny, itchy, and stuffy nose. Because FastBlock Allergy Relief is completely safe, it’s suitable for children as young as 4 years old. It’s easy to use and can be repeated as needed.

Fastblock Allergy Relief is a Mechanical Allergen Particle Barrier Medical Device.


Cellulose powder of vegetable origin and peppermint powder.


Temporarily relieves these mild allergic symptoms of hay fever and allergic rhinitis: sneezing, itchy nasal passages, runny nose, and stuffy nose.

Directions of Use:

Spray once in each nostril, 3 times daily. Adults and children (4 years and older). For nasal use only.


Stop use and consult a healthcare practitioner if symptoms do not improve within 7 days or are accompanied by fever.

Want to learn more? Visit our active ingredients page.

Q. Do I need to worry about interactions with drugs or supplements?

A. FastBlock Allergy Relief contains no antihistamines, steroids, or any other drug ingredients.

Q. When should I use FastBlock Allergy Relief?

A. FastBlock  Allergy Relief can be used as a preventive when pollen counts are high, or as soon as you notice symptoms, or if you know you’ll be in an environment with airborne allergens. The patented powder and delivery system of FastBlock Allergy Relief has been clinically proven to be effective without the jitteriness, drowsiness, or other side effects of antihistamines, steroid drugs, and medications.

Q. Can I use FastBlock Allergy Relief more than three times a day?

A. Yes.  It can be used as often as needed. However, clinical research has shown that FastBlock Allergy Relief becomes more effective with continued use, so you may need it less frequently over time.

Q. Who can use FastBlock Allergy Relief?

A. If is safe for adults and children over 4 years of age.

Q. Will FastBlock Allergy Relief block my nose?

A. No. The fine powder spray forms a thin gel-like barrier on the inside of the nostril.  It will not block the nose or interfere with normal breathing, or sense of smell.

Q. Does FastBlock Allergy Relief have an NPN?

A. No.  FastBlock Allergy Relief is a Medical Device and does not require an NPN in Canada.


Where to buy

Product of England

Where to buy

Product of England

Terry Naturally is recognized as a leader in natural health products and specializes in bringing clinically studied ingredients and proprietary, custom formulations to Canadian health food stores and consumers.

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