A prescription cannabidiol (CBD) oil is considered an effective anti-seizure medication. However, further research is needed to determine CBD’s other benefits and safety.
CBD is a chemical found in marijuana. CBD doesn’t contain tetrahydrocannabinol (THC), the psychoactive ingredient found in marijuana that produces a high. The usual CBD formulation is oil, but CBD is also sold as an extract, a vaporized liquid and an oil-based capsule. Food, drinks and beauty products are among the many CBD-infused products available online.
Currently, the only CBD product approved by the Food and Drug Administration is a prescription oil called Epidiolex. It’s approved to treat two types of epilepsy. Aside from Epidiolex, state laws on the use of CBD vary. While CBD is being studied as a treatment for a wide range of conditions, including Parkinson’s disease, schizophrenia, diabetes, multiple sclerosis and anxiety, research supporting the drug’s benefits is still limited.
CBD use also carries some risks. Though it’s often well-tolerated, CBD can cause side effects, such as dry mouth, diarrhea, reduced appetite, drowsiness and fatigue. CBD can also interact with other medications you’re taking, such as blood thinners.
Another cause for concern is the unreliability of the purity and dosage of CBD in products. A recent study of 84 CBD products bought online showed that more than a quarter of the products contained less CBD than labeled. In addition, THC was found in 18 products.
If you plan to use products containing CBD, talk to your doctor.
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- FDA approves first drug compromised of an active ingredient derived from marijuana to treat rare, severe forms of epilepsy. U.S. Food and Drug Administration. https://www.fda.gov/newsevents/newsroom/pressannouncements/ucm611046.htm. Accessed Nov. 20, 2018.
- State medical marijuana laws. National Conference of State Legislatures. http://www.ncsl.org/research/health/state-medical-marijuana-laws.aspx#2. Accessed Nov. 27, 2018.
- Devinsky O, et al. Effect of cannabidiol on drop seizures in the Lennox-Gastaut Syndrome. The New England Journal of Medicine. 2018;378:1888.
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