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What are the side effects of taking CBD?

on January 08, 2025

CBD (cannabidiol) has taken the wellness world by storm, with many people turning to it for relief from conditions like anxiety, pain, and insomnia. As a non-psychoactive compound found in cannabis, CBD is generally well-tolerated by most people, offering numerous health benefits. However, as with any supplement, there are potential side effects that you should be aware of. In this article, we’ll explore the common side effects of taking CBD, factors that influence how your body reacts, and the best ways to use CBD safely to enjoy its benefits without discomfort.

What Is CBD and How Does It Work?

CBD is one of over 100 compounds found in the cannabis plant. It works by interacting with the body’s endocannabinoid system (ECS), which helps regulate various functions such as mood, sleep, and immune response. Unlike THC (tetrahydrocannabinol), another well-known compound in cannabis, CBD does not produce a “high” effect. Instead, it offers a wide range of potential health benefits, including reducing inflammation, anxiety, and pain.

CBD is available in various forms, including oils, capsules, gummies, and topicals. The way in which CBD is consumed can affect its potency and how your body reacts to it. For example, full spectrum oils and tinctures are often absorbed more quickly than capsules, while topicals are used for targeted relief in specific areas.

Common Side Effects of CBD

While most people tolerate CBD well, it may cause some side effects in certain individuals. Here are a few common reactions:

Fatigue

One of the most frequently reported side effects of CBD is fatigue. This is especially common at higher doses. For some individuals, CBD’s relaxing properties can lead to feelings of drowsiness. If you’re new to CBD, it’s advisable to start with a low dose to see how it affects you, especially if you plan on using it during the day.

Dry Mouth

Another common side effect is dry mouth, which occurs when CBD affects saliva production. This can make your mouth feel dry and uncomfortable. Staying hydrated and drinking water regularly can help manage this side effect. Some people find that chewing gum or having a drink nearby helps alleviate the discomfort.

Dizziness or Lightheadedness

CBD can sometimes cause a drop in blood pressure, leading to feelings of dizziness or lightheadedness. If you experience this, it’s best to lie down and rest until the sensation passes. This effect tends to be more pronounced when taking higher doses or when standing up too quickly.

Digestive Issues

Although rare, some people experience digestive issues when taking CBD. These can include an upset stomach, nausea, or diarrhoea. It’s advisable to take CBD with food to help minimise these effects. Starting with a lower dose and gradually increasing it may also help reduce the likelihood of digestive discomfort.

Appetite Changes

Some users report changes in their appetite, either an increase or decrease. CBD has the potential to stimulate hunger in some people, while others might experience a loss of appetite. If you find that CBD alters your appetite, adjusting the dose or trying a different form of CBD might help.

Less Common but Possible Side Effects

While the above side effects are common, there are also rarer reactions that may occur in some individuals:

  • Medication Interactions: CBD can interact with certain medications, particularly those processed by the liver. If you’re taking medication, it’s important to consult with a healthcare provider before starting CBD to avoid potential interactions.

  • Allergic Reactions: In rare cases, people may have an allergic reaction to CBD or to the carrier oils used in CBD products. Symptoms could include itching, rash, or swelling. If you experience any of these symptoms, discontinue use and seek medical advice.

  • Emotional Effects: While CBD is generally known for its calming effects, some people might experience paradoxical anxiety or irritability. This could be due to how your body reacts to the cannabinoid, and adjusting the dose may help alleviate these emotional side effects.

Factors That Influence CBD Side Effects

Several factors can influence how CBD affects your body, including:

  • Dosage: Taking a higher dose increases the likelihood of side effects. Starting with a low dose and gradually increasing it allows you to gauge your tolerance and avoid unwanted reactions.

  • Body Weight and Metabolism: Individuals with higher body weights or faster metabolisms may experience different effects than those with smaller body mass or slower metabolic rates.

  • Quality and Purity of the Product: The quality of CBD can vary widely between products. Choosing high-quality, third-party-tested CBD ensures that the product is free from contaminants and that the dose is accurately labelled. We make sure to publish all of our CBD certificates so you make sure you are getting the best product.

  • Other Medications: If you’re taking prescription medications, particularly those metabolised by the liver, you should consult a healthcare professional before using CBD. This helps to avoid any adverse interactions with existing medications.

How to Minimise Side Effects

There are several ways to minimise the risk of side effects when using CBD:

  • Start Slow: Begin with a low dose and gradually increase it as needed. This allows your body to adjust and helps avoid unpleasant reactions.

  • Choose High-Quality Products: Always choose third-party-tested CBD to ensure the purity and potency of the product. High-quality CBD products are less likely to contain contaminants that could cause side effects.

  • Consult a Healthcare Provider: Before starting CBD, especially if you are on any medications or have pre-existing conditions, it’s best to speak to a healthcare professional who can guide you on the appropriate dosage and usage.

  • Time Your Dosage: If you’re concerned about fatigue or drowsiness, it’s best to take CBD in the evening or when you don’t need to be as active. This allows you to benefit from its calming effects without disrupting your daily routine.

Who Should Be Cautious About Taking CBD?

While CBD is generally safe for most people, certain individuals should exercise caution:

  • Pregnant or Breastfeeding Women: There isn’t enough research on the safety of CBD for pregnant or breastfeeding women, so it’s important to consult with a doctor before using CBD during this time.

  • People with Liver Conditions: Those with liver problems should speak to a healthcare provider before taking CBD, as it can interact with liver enzymes and affect liver function.

  • Individuals on Prescription Medications: CBD can interact with some medications, particularly those that are metabolised by the liver. Always check with a doctor before using CBD if you’re on medication.

 

Disclaimer

Products discussed are not intended to diagnose, treat, cure or prevent any disease. This disclaimer provides that all medical information is merely information – not advice. If users need medical advice, they should consult a doctor or other appropriate medical professional. The disclaimer also provides that no warranties are given in relation to the medical information supplied on the website, and that no liability will accrue to the website owner in the event that a user suffers loss as a result of reliance upon the information.

Due to UK Regulation, we recommend that you do your own research on CBD products.

Notes:

  • Keep out of reach of children.
  • Do not use during pregnancy and breastfeeding.
  • Like all supplements, persons under 18 years old, pregnant women and nursing mother should not use CBD oil products.
  • Users are, however, advised to consult their doctors to clarify that there will not be any contraindications of CBD oil with other medications they are taking or their present state of health.
  • Do not take CBD oil as a replacement for prescription medicines or other forms of medical treatments.
  • Avoid adding CBD oil to hot drinks or foods because its effectiveness is reduced if heated above 65ºC.

Conclusion

CBD is a versatile and potentially beneficial supplement, but understanding its side effects is key to using it safely. While most side effects are mild and temporary, factors such as dosage, body weight, and product quality play a significant role in your experience. By starting slowly, choosing reputable products, and consulting with a healthcare provider when necessary, you can enjoy the benefits of CBD while minimising risks.

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