Some of the minor side effects are: Double vision, dream-like state, flushing or redness of the skin, loss of appetite, nausea, pain at the injection site, seeing double, uncontrolled eye movements, unusually warm skin, vomiting, and weight loss. The major side effects are Bloody or cloudy urine, bluish lips or skin, blurred vision, chest pain or discomfort, confusion: confusion as to time, place, or person. convulsions, cough, difficult or troubled breathing, difficult, burning, or painful urination, difficulty with swallowing, dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position, fainting, fast, slow, or irregular heartbeat, frequent urge to urinate, hives, holding false beliefs that cannot be changed by fact, irregular, fast or slow, or shallow breathing, itching, not breathing, pale or blue lips, fingernails, or skin, puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue, seeing, hearing, or feeling things that are not there, shortness of breath, skin rash, sweating, tightness in the chest, unusual excitement, nervousness, or restlessness, unusual tiredness or weakness
According to the 2013 National Survey on Drug Use and Health in the United States, an estimated 2.3 million people aged 12 or older used ketamine in their lifetimes, with 203,000 users in 2013.
According to the Department of Justice’s National Drug Intelligence Center, individuals aged 12 to 25 accounted for 74 percent of the ketamine emergency department visits in the United States in the year 2000.
In 2006, the University of Michigan’s Monitoring the Future survey showed three percent of high school seniors had used the drug at least once that year.
This page information was found at: https://www.addictioncenter.com/drugs/hallucinogens/ketamine/