Does CBD have any side effects?

June 17, 2019 4 min read

Does CBD have any side effects?

Cannabidiol oil is widely recognized for its numerous medicinal benefits. Its beneficial properties are making it extremely famous. It has been legalized in the 29 states of the America and many other parts of the world. CBD is extracted from the plant of cannabis or marijuana. It is medicinal weed so, it does not make you high. It only has a very few amounts of TCH (chemical responsible for an elevated sensation).

CBD is being used in the world as a remedy for several problems. It has the anti-inflammatory, anticonvulsant, antipsychotic, and anxiolytic properties. It can help relieve pain, reduce anxiety, deal with burns and acne, and fight many other kinds of diseases. People use it on daily basis for its medicinal benefits.

The medicinal CBD does come with some side effects. The regular high dosage of CBD products can cause the following side effects in your body.


CBD oil works differently for different people. It has different reactions in people. Some people have reported that after using the CBD oil, they felt more active. Their energy levels increased and they felt more energized. It proved as a wake inducing element for them. However, for many other people it was totally different. CBD oil produced opposite reactions for them. They felt drowsy after taking CBD oil. People who took a high dosage of CBD oil felt tired and sleepy afterwards. If you feel the same side effects of CBD oil, it is recommended that you do not drive or operate machinery afterwards. This is important to ensure the safety of you and those around you.

Small drop in blood pressure

According to recent studies, a dose of CBD oil can cause a small drop in blood pressure. It can happen especially to those taking a higher dosage of CBD oil on regular basis. People, who are already suffering from low blood pressure and are taking medications for it on regular basis, should seek advice before using CBD oil. It is recommended that they should consult with their doctor first before taking CBD oil or any other CBD based product.

Dry mouth

One side effect of using CBD is an unpleasant dryness in the mouth. It causes discomfort to the person. This happens because the endocannabinoid system (ECS) involves in the inhibition of saliva of saliva secretion. A research from 2006 showed that submandibular glands (responsible for making saliva) contain cannabinoid receptors. When these receptors are activated, they oppose the salivary production in the mouth. This is how the dryness in the mouth is caused.

Fortunately, dryness of mouth is not a very big problem. It can be dealt with immediately. The best remedy for dry mouth is intake of hydrating fluids. You can drink plenty of water or other hydrating fluids to cope with a dry mouth.


Several people have reported that they had diarrhea after using CBD. This is most common amongst sensitive people. This is because oil contains ingredients that can affect the digestive system. A sudden high dosage of CBD can cause diarrhea to people with sensitive digestive sensitive.


This side effect has only been reported by a few people. Intake of CBD oil on empty stomach can make you nauseous. However, it wont last long. The nauseous feeling will fade away in almost an hour. It is not a very serious problem. Only waiting for some time will deal with this side effect.


Another side effect of CBD is vomiting. Many people have reported that after the use of CBD oil, they felt the urge of vomiting. This is mainly because CBD can cause certain changes in the digestive system. Using a high concentration of CBD can cause your digestive system to mess up. It can result in vomiting.

Anxiety and depression

It is one of the side effects of using CBD. It can cause anxiety and depression in a person. Many people have reported that a very high dosage of CBD made their anxiety even worse instead of curing it. They also reported that it made them feel more depressed and sad.


Psychosis is an intense medical disorder. It is a state in which a person stops living in the reality and starts to believe in things that are not real. The person becomes delusional. A person has strange beliefs in Psychosis. He might also start hallucinating.

People who took heavy dosage of CBD came near to this mental disorder. They showed symptoms of potential psychosis.


Dizziness is a strange sensation of faintness and drowsiness. During this state, a person feels unsteady while roaming around. His balance becomes shaky and he feels woozy.

Some people feel dizzy when they use CBD. People who ingest high dosage of CBD also feel dizzy right after the consumption. It is a short-lived side effect. It can only stay for a few moments and then you will be back to normal.

Increased tremor in people with Parkinson's

There is a good chance that if Parkinson’s patients use CBD oil in high amounts, it would cause an increase in the tremor. It will worsen their muscle movements. This condition can be reduced by However, it might not affect all the patients of Parkinson. It is still recommended that Parkinson’s patients should consult with their doctors before using CBD.


It is one of the temporary side effects of using CBD. It is actually related to the decrease in blood pressure. Due to the low blood pressure, one can feel headaches and a sensation of faintness. It is not a very serious problem and can be dealt with by consuming a strong caffeinated drink. Something like a cup of tea or coffee can easily bring your body back to normal.

    These were some of the side effects that were reported by several people. The research on CBD is still on-going. Researchers and scientists are discovering new things about it every day. However, it has been proved that CBD is completely safe for humans if used in the required amount. It is also extremely beneficial.


    This article was written by an independent and third-party author specialising in CBD, hemp and cannabis research. Any opinion, advice or recommendation expressed in the article does not reflect the opinion of Formula Swiss AG or any of our employees. We do not make any claims about any of our products and refer to our disclaimer for more information.

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