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July 12, 2021
 min read

How does CBD oil for allergies work, and can it make them worse?

cbd oil for allergies
 Anthony Clement
Written by  
Anthony Clement
July 12, 2021

table of Contents

Hemp cannabis oil rarely causes issues. If it does, these side effects are usually minor and manageable. Given that most allergies are chronic and you can experience an allergic reaction at any time, you need a product that is strong but will not cause side effects.

In this article, we will see if you can use CBD oil for allergies and what kind of impact to expect.

How does an allergy affect the immune system?

The body automatically addresses any threat that may come your way. It is a perfect system where every tissue has its function. Whether we’re talking about viruses, bacteria, toxins, or some other outside particle, our immune system has a designated response for each one of them.

The problem occurs when the body is unable to react properly to these molecules. Unlike microbes, where you get sick when they enter your body, allergies are mainly caused by food, pollen, dust, hair, and so on. These substances are called allergens. Generally speaking, none of this stuff should be dangerous for people. However, if your body is unable to recognize them, it will cause a serious allergic response causing issues such as runny nose, nasal congestion.

When a body comes into contact with an allergen, it will start releasing histamine. The substance will enter the bloodstream, often leading to airway inflammation or some other type of reaction. We usually treat this issue with antihistamine allergy medication. Unfortunately, these drugs can be volatile for the body, and their prolonged usage can lead to complications. Because of that, we turn to hemp plants and alternative allergy medication for a solution.

Most of these conditions are environmental allergies, which is why you might be able to protect yourself by avoiding the substance in question. In the case of seasonal allergies, the allergy symptoms will occur during a limited period of time (usually summer when there is a lot of pollen). There are also dog allergies that can be prevented by not having a pet.

Common allergic symptoms

The potential issues will vary based on the type of allergy we have. In most cases, allergy sufferers will have to deal with the nasal problem. But, besides respiratory allergies, we also have allergies that affect the skin and digestive system. Unfortunately, allergies can cause severe issues and can even be life threatening.

Here are some of the common symptoms based on a specific type of allergy:

Hay fever or allergic rhinitis

This issue is characterized by heavy nasal congestion. A patient will experience issues such as stuffy nose, itching of the nose and eyes, sneezing, irritated eyes. Cannabis plant nasal spray might provide allergy relief to your inflamed nose, making breathing easier. Although we would not recommend it if you have an hemp allergy.

Food allergy

A lot of people are suffering from severe food allergies. When they introduce problematic food into their mouth, they might feel tingling, swelling of the lips, face, tongue, and throat, as well as hives and anaphylaxis. The most troublesome is anaphylaxis. This reaction is life threatening and is characterized by extreme lack of breath, nausea, vomiting, loss of consciousness, and other issues.

Drug allergy

It is very common for people to be allergic to certain medications. The issue is characterized by rash, itchy skin, hives, facial swelling, wheezing, and anaphylaxis.

Atopic dermatitis

Atopic dermatitis is often referred to as eczema, and it is especially common among children. When a person comes into contact with an allergen, its mast cells will be activated, leading to the release of histamine and skin inflammation. This is the most common skin allergy that leads to redness, itchiness, and flaking of the skin.

What is the main issue with antihistamines?

As already mentioned, the main reason why you would use CBD oil is to avoid antihistamines. While medical marijuana and hemp extracts are not fully tested, they're generally regarded as safe substances. And although they are not ideal for severe reactions and anaphylaxis, they might provide relief for chronic issues on a daily basis.

Antihistamine allergy medication is known for its side effects. Allergy sufferers need to read the product label before administering any kind of a drug. These issues can range from drowsiness to loss of coordination, dry mouth, rapid heart rate, change in blood pressure, etc.

The side effects often vary based on the product that you’re using. Antihistamines with a sedating effect are notorious for causing drowsiness. In fact, a patient may feel drowsy one day later after administering the substance. Other types of histamines may lead to loss of motoric functions. You might notice issues with coordination, movement, and focus. Depending on your sensitivity, and the type of product you’re using, these side effects can be minor or serious. General advice is to avoid driving or using heavy machinery after administering these medicines.

The elderly are especially endeared when it comes to antihistamine side effects. This is why they turn to CBD vape or CBD oil for allergies.

Why do people rely on CBD for allergies?

As already mentioned, CBD oil is a natural way to address allergies. Although they cannot do much about the allergen, they might address long term symptoms that are plaguing people on a daily basis. Given that allergies are the most common chronic ailments, it makes marijuana plant and hemp plant research that much more important.

The main reason to use CBD oil is because of its potential anti-inflammatory properties. They might work by limiting the amount of histamine in the body, thus reducing or stopping the reaction. However, we cannot overlook some of the other potential uses. For example, it is believed that CBD oil can stimulate the human endocannabinoid system. This system is responsible for numerous internal functions such as sleep, mood, stress, pain, etc.

CBD oil is often mentioned as a substance that may harmonize your bodily processes. Among others, it might boost your regenerative and protection function. This can be important for allergy types such as eczema as it would reduce redness and scaling. The substance might be good for the skin when used topically. It might also address other issues that are plaguing allergy sufferers, such as stress or restless sleep.

So, while the direct impact on inflammation is great, CBD oil might also provide other types of allergy relief. The most important thing about this substance is that it is relatively safe and can be used for a longer period of time. Because of that, you can introduce cannabidiol into your body without having to think about liver toxicity and other issues that might occur when you use antihistamine drugs for a while.

What are the pros and cons of CBD oil for allergies?

If you decide to use CBD oil for allergic reactions, there are several things you need to know.

Based on limited studies, CBD may have anti inflammatory properties, but it might also work against histamine. As such, it might have a direct and indirect impact on inflammation. Unlike medical marijuana, which has high THC content, CBD products shouldn't have a lot of this substance. As a result, you are unlikely to experience a psychoactive episode. Most people are able to tolerate the substance without suffering side effects. Nevertheless, you need to be careful when combining it with other medications.

In terms of drawbacks, we need to mention that most CBD studies are performed on animals. We don't know how these chemicals would work for humans. Furthermore, there is no clear indication they would work for allergies. Although CBD oil is regarded as safe, it might lead to several side effects. Drowsiness, in particular, can be problematic if you're also using sedative antihistamines. Lastly, we don't know much about other drug interactions, which is why you need to be very careful when combining antihistamines and CBD oil.

While you cannot completely eliminate some of these risks, there are certain things you can do that will make you safer. First of all, we suggest that you stay in touch with your physician and perform regular checkup ups. Given that you’ll probably use CBD for a prolonged period of time, you need to know how your body would react.

You should also be careful with the dosage. Hemp experts recommend that you take a smaller quantity of the substance at first and increase it as the treatment goes on.

Iffland, K., Grotenhermen, F., (2017), An Update on Safety and Side Effects of Cannabidiol: A Review of Clinical Data and Relevant Animal Studies, Cannabis and cannabinoid research, New Rochelle, NY, the United States of America 


Nagarkatti, P., Pandey, R., Rieder, S., A., Hegde, V., Nagarkatti, M., (2009), Cannabinoids as novel anti-inflammatory drugs, Future medicinal chemistry, London, the United Kingdom