Greening out is a term used to describe the unpleasant physical and psychological symptoms that occur when someone consumes too much cannabis. The term is also sometimes used to describe similar symptoms caused by other drugs). Symptoms of greening out can range from mild to severe and may include nausea, vomiting, dizziness, loss of coordination, slurred speech, lightheadedness, pale or ashy complexion, disorientation, blurred vision, intense feelings of anxiety or paranoia, panic attacks, decreased blood sugar, and abnormally rapid heart rate. Greening out is more likely to occur in those who are new to cannabis use or who consume large amounts of cannabis in a short period of time. It can also be caused by mixing cannabis with alcohol or other drugs. While greening out is not thought to cause lasting damage, it can be an unpleasant and frightening experience, especially for younger people. If someone is greening out, it is important to remain calm and help them manage their symptoms. Tips for managing a green out include staying calm, distracting the person from uncomfortable feelings, not being alone, taking deep breaths, playing soothing music, lying down, and eating something that is not high in fats.