What You Need To Know About the Side Effects of CBD - Glow Bar London

September 05, 2022 5 min read

What You Need To Know About the Side Effects of CBD

CBD has recently gained popularity, and individuals use it for different reasons. They can be used for either recreational purposes or health benefits. Although CBD is effective and safe, overdose on the substance can result in some side effects. This article explains several side effects that can result from CBD consumption.

CBD is a plant extract obtained from the hemp plant. It is one of the many cannabinoids from the cannabis plant. It is a pure extract free from other compounds like CBN, terpenes, flavonoids, and THC. With the legalization of hemp, the federal government allowed the commercial cultivation and use of hemp-based products. Each state had laws on using and accepting CBD as a commercial product. The FDA does not regulate any CBD product as it is essential for users to know which type of product they need. All products containing less than 0.3% THC levels are accepted for consumption. Some CBD products contain traces of THC, a toxic substance when consumed. It makes one experience a euphoric effect and, when used in excess, can result in other side effects. Individuals should be keen on the number of products they consume as different products contain different CBD content, concertation, and potency level. Individuals should consult the doctor for the dosage amount needed to avoid adverse effects.

Is CBD Safe?

CBD is safe for human consumption and is approved for use by the federal government. It is a system that helps in regulating different body functions. Each person experiences different effects from the consumption of CBD because of the different endocannabinoid systems. Some factors that can make one feel the CBD effects differ from others are body weight, metabolism, age, and diet. Also, CBD is seen to increase the thinning blood level and can interact with some medications in an individual’s body. It can be due to competing with the liver enzymes in breaking down the drugs. CBD is consumed in high doses, and it can lead to liver abnormalities in an individual, resulting in positive blood and drug tests. It is essential to seek doctors' advice before consuming any form of CBD along with the medicine.

Side Effects of CBD


It is one of the most common side effects that can be a result of using CBD and also sedation. It occurs when a person consumes more CBD than usual, making them drowsy and sedated. Also, this can happen when a person mixes CBD with some sedating medication. It is essential to be keen to prevent any adverse side effects of CBD.

Interaction with Other Medications

CBD can interact with some medication in the liver and cause a toxic reaction that can injure the liver. Also, it may cause poisoning as the liver enzyme, especially drugs with grapes, can easily cause toxic reactions making an unindividual sick. Corroon et al. (2017) stated that CBD should not be consumed along with other medication, especially without a doctor's prescription.

Dry Mouth and Eye

Overdose of CBD may result to dry lips and eyes. It can result from dehydration as a person can be dehydrated due to excessive use of CBD. It is advised to consume low dosages and gradually increase them to prevent further effects. This slow and gradual consumption of CBD is essential as it helps one gauge the amount of CBD they need to consume. It is advised that users should consume CBD while gauging the effects that result from CBD.

Gastrointestinal Issues

Taylor et al. (2018) explained that CBD is not safe for all people as some may have a bad medical history, and on the consumption of CBD, individuals can get stomach upset and diarrhea. With the consumption of CBD, some individuals have liver and diarrhea problems. When such effects occur, eyes are advised to reduce CBD dosages or seek a verified doctor or hospital medication.


When they ingest CBD supplements, some consumers might experience nausea and vomiting. The effects can differ from one person to another because of the difference in ECS. Good et al. (2019) stated that this could be due to how sensitive a person is to using CBD. Also, it can be due to the amount of CBD consumed since it comes in different formulations; the amount absorbed by the body range from one form to the other.

Loss of Weight

Overconsumption of CBD has been associated with loss of weight. CBD is seen to associate with the browning cells of the body. Generally, CBD is compatible with fats and is well accommodated in fat cells. When consumed, the interaction of CBD and the body's fat cells can lead to weight loss, which is disadvantageous to an individual.


CBD is seen to cause muscle fatigue through the interaction of CBD and the body's muscles. General body fatigue is experienced by an individual when they use CBD as the body may not be able to comprehend the CBD consumed by an individual. It is essential to be keen on the amount of consumption to prevent any adverse effects.

Determining Better CBD Products

With the CBD market being flooded with many CBD products, an individual must be keen when purchasing any CBD-related product. VanDolah et al. (2019) explained that this could help prevent any side effects from CBD by looking for better and quality products. Individuals should look for products with no more than 0.3% THC level to avoid any high feeling from the product. Also, the source of the hemp should be from a fertile geographical area with fertile soil. The hemp source should be from the United States. The extraction method is also important as one should look for products extracted using the C02 extraction method. It is efficient and is known to produce products that are pure with no contaminates in them. The products also should have third-party lab testing results, which help understand the amount of CBD in the product. A certificate of analysis should be available so consumers can know the level of concentration of the product and its potency levels.


Although CBD consumption is safe, individuals should be keen on the products they access. Some can be harmful, while others are not since the FDA does not regulate any CBD product in the market. Regulation of CBD results in many unstandardized products, which, when consumed, have negative benefits for the user. Some side effects are diarrhea, fatigue, insomnia, and weight loss. Individuals should consult a doctor before consuming CBD products to know the product's dosages and side effects.


Corroon Jr, J. M., Mischley, L. K., & Sexton, M. (2017). Cannabis as a substitute for prescription drugs–a cross-sectional study. Journal of pain research, 10, 989.

Good, P., Haywood, A., Gogna, G., Martin, J., Yates, P., Greer, R., & Hardy, J. (2019). Oral medicinal cannabinoids to relieve symptom burden in the palliative care of patients with advanced cancer: A double-blind, placebo-controlled, randomized clinical trial of efficacy and safety of cannabidiol (CBD). BMC palliative care, 18(1), 1-7.

Taylor, L., Gidal, B., Blakey, G., Tayo, B., & Morrison, G. (2018). A phase I, randomized, double-blind, placebo-controlled, single ascending dose, multiple-dose, and food effect trial of the safety, tolerability, and pharmacokinetics of highly purified cannabidiol in healthy subjects. CNS drugs, 32(11), 1053-1067.

VanDolah, H. J., Bauer, B. A., & Mauck, K. F. (2019, September). Clinicians' guide to cannabidiol and hemp oils. Mayo Clinic Proceedings (Vol. 94, No. 9, pp. 1840-1851). Elsevier.