What are allergies?

Normally, your immune system helps protect you by sending in special cells, proteins, and natural compounds whenever harmful viruses and bacteria arrive on the scene and those invaders get neutralized. There are plenty of things, however, that your immune system recognizes as harmless, those things can go right through; pet hair, dust mites, and pollen are among them. 

In a person with allergies, their body identifies harmless substances as a threat. When the immune system reacts to allergens, it creates special cells called antibodies that attach to other immune cells. The next time that allergen enters the body, the immune cells, and their antibodies attack and in doing so release histamine, which causes the early signs of allergies. For a hay fever (or allergic rhinitis) allergy the result of this histamine expression could be sneezing, an itchy and runny nose, and red, watery eyes. More chemicals are later released into the body, causing inflammation, swelling, and congestion.

7 common causes of principal allergies

  1. Pollen—hay fever is caused by plants, though the types that trigger allergies differs from person to person
  2. Mold—tiny fungi with spores that float in the air are the trigger for mold allergies. It helps to keep basements or bathrooms clean and to pick up piles of leaves or grass right away.
  3. Animal dander—proteins from oil glands in an animal's skin or proteins from an animal's saliva. Stay away from shedding animals like most dog, cats, and horses.
  4. Insect stings—a sting from various bees, fire ants, yellow jackets, hornets, and wasps could send an allergic person into anaphylactic shock.
  5. Food—food allergies can be caused by everything from milk to peanuts, and the reactions differ in affect and seriousness.
  6. Drugs—Some people cannot tolerate certain medicines, such as penicillin or aspirin.
  7. Latex—latex gloves, condoms, and other items can cause a latex allergy.

How does CBD help?

Cannabidiol (CBD) had many benefits for patients with anxiety or insomnia, and if you suffer from allergies this season, you may find relief in CBD. CBD has been studied for its anti-microbial and anti-inflammatory properties, the two things that could benefit allergy sufferers most. The latter is what over-the-counter antihistamine drugs were made for.

Topically, CBD can help reduce inflammation on the epidermis, like a rash or hives. CBD helps return the body to a healthy homeostatic state. Take CBD oil for allergies to help open up sinus passageways, clear congestion, and mucus, and relieve sinus pressure.


  1. Determination of the Antibiotic Properties of Cannabidiol
  1. The endocannabinoid system: an emerging key player in inflammation

Learn more about how data science is being used to help other medical conditions

Disclaimer: TrueMedicines research is informational and not personal medical advice. Our market research is not medical advice and is not intended diagnose, prevent, treat or cure any diseases. Contact your qualified physician for medical advice.

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