Hallucinogens such as LSD, mescaline, and psilocybin can produce symptoms that include restlessness, sleep deprivation, and dilated pupils. The common symptoms of methamphetamine use are dilated pupils, anxiety, and aggression. Thus, methamphetamine users often have a larger-than-life sense of euphoria.

Methamphetamines affect the dopamine receptors in the body, which hijacks the reward centerpiece of the brain by increasing production. Chronic cocaine users can experience other complications such as chronic red eyes, lesions, and ulcers. When ingested orally, the effects of cocaine can begin within a few minutes and last up to half an hour.Д¬ocaine suppresses the reuptake of the hormone norepinephrine, a chemical messenger that sends signals throughout the body. CocaineД¬ocaine is a narcotic that is usually paired with alcohol for the dual effect. Red or glossy eyes are a common symptom of marijuana consumption but this can vary. Marijuana can cause visual impairments from mild hallucinations and visual impairment to slow reaction times. Such cannabinoids are stored in the fat cells and spread throughout the body. The effects of smoked cannabinoids can usually be experienced within a few minutes and last from 1 to 3 hours. With Discovery Institute, treatment options are available if you or a loved one is struggling with an alcohol use disorder. Alcohol is often taken with other substances to boost the high effect that such substances cause people to feel. The thermal temperature of the eyes is a consistent indicator of intoxication. Ethanol can also be present in tears which affect the function of the eyes and helps them maintain wetness. For example, ingesting large amounts of alcohol in one sitting can cause people to have blurry vision, dilated pupils, or varied night blindness. Since alcohol contains ethanol, the body reacts to the substance with mild to moderate symptoms. The most common drugs that cause dilated pupils are: Alcohol Thus, a normal outing can cause people to reel from the side effects. How or Why Do The Following Drugs Cause The Pupils to Dilate?Д¬ertain changes challenge the human bodyвЂ™s automatic systems, by either increasing or decreasing functioning.What Are The Effects of Drugs on The Eyes?.Staging an intervention is a start for anyone who is in dire need of support. People under the influence are more likely to be involved in a roadside accident. Since most addicts combine different substances for them to cause greater effects, the side effects of using certain substances correlate with one another. Substances can play a role in pupils dilating but itвЂ™s not always the case.Дilated pupils are usually a sign of substance abuse, however, other factors should be considered when deciding why a personвЂ™s pupils are dilated. Pupils dilate or become large when exposed to light or other stimuli. Whether itвЂ™s illegal or prescribed, drugs can have effects on the eyes by causing them to dilate pupils. The muscles in the pupil contract to protect the eyes from too much light and to help people be able to focus on important subjects. Pupils can dilate through internal and external conditions, such as drugs, or intense emotions such as staring into the eyes of a loved one. Pupil dilation can happen for many reasons, but pupils dilate or shrink when theyвЂ™re exposed to direct light. Princeton Health/MedPro Health Insurance.

Pupil dilation chart