<p>According to research, Cannabis which is used to treat chronic pain is connected with an increased risk of heart rhythm abnormalities.</p>.<p>The findings of the study were published in the European society of Cardiology. Medical Cannabis is a relatively new drug for a large market of patients with chronic pain, it is important to investigate and report serious side effects. </p>.<p>This study indicates that there may be a previously unreported risk of arrhythmias following medical cannabis use.Medical cannabis comes in various formulations depending on tetrahydrocannabinol (THC) and Cannabidiol (CBD) levels. Dronabinol (high THC), cannabinoid (more THC than CBD), and Cannabidiol (high CBD) can be prescribed in Denmark. </p>.<p>The drug can be inhaled, eaten, or sprayed in the mouth.Medical Cannabis is a relatively new drug for a large market of patients with chronic pain, it is important to investigate and report serious side effects. </p>.<p>This study indicates that there may be a previously unreported risk of arrhythmias following medical cannabis use. </p>.<p>Even though the absolute risk difference is small, both patients and physicians should have as much information as possible when weighing up the pros and cons of any treatment.</p>