Recognizing if someone is high: the signs to watch for
Knowing whether or not an individual is high can be challenging, especially if you are unaware of the different effects of various substances. According to the Mayo Clinic, there are several symptoms of being high. Once you become aware of them, you’ll have an easier time knowing which drug is being abused.
What does a high person look like?
To identify whether a person is high, here is what to look for:
- Bloodshot or glassy eyes
- Slurred speech
- Unusual vocal patterns
- Unsteady movements
- Poor coordination
Behavioral signs of being high
Behavioral signs of being high include:
- Impulsive or risk-taking tendencies
- Social withdrawal
- Unusual isolation
- Inappropriate laughter
- Sudden mood swings
- Difficulty concentrating
- Poor focus
Physical signs someone is high
Physical signs of being high include:
- Dilated pupils
- Nausea or vomiting
- Tremors, shaking, or restlessness
- Changes in sleep or eating habits
Emotional and mental changes
Emotional and mental changes that happen when a person is high:
- Heightened euphoria, or intense happiness
- Anxiety, paranoia, or irritability
- Confusion or disorientation
- Hallucinations
- Distorted perceptions
Drug-specific signs of being high
Effects of marijuana/cannabis
Based on facts from the American Addiction Centers, symptoms of being high on marijuana can include increased appetite, altered judgment and perception, bloodshot eyes, difficulty keeping the eyes open, uncontrollable and excessive laughter, dry mouth, and a sense of temporary euphoria.
Individuals who smoke marijuana may also appear to be forgetful, uncoordinated, have delayed motor skills, or experience short-term memory loss. Other effects of marijuana abuse can include changes in mood and behavior.
Effects of stimulants
Stimulants, such as cocaine and methamphetamine, can cause accelerated speech patterns, dilated pupils, a heightened amount of energy, rapid breathing, increased heart rate, and changes in behavior. If an individual has snorted the drug, they may also experience congestion.
Effects of hallucinogens
Two of the most commonly used hallucinogens are LSD (lysergic acid diethylamide) and PCP (phencyclidine). Though they are both classified in the same category, they can still produce different signs and symptoms.
When an individual has used LSD, they may develop dilated pupils, become confused or paranoid, experience nausea or vomiting, display a lack of coordination and balance, and appear to be experiencing a sense of euphoria. The effects of LSD can also cause the skin to become discolored in some individuals. Other less common symptoms that can develop include self-destructive behavior, anxiety, or panic.
An individual who has taken PCP, on the other hand, may display violent, aggressive, and/or abnormal behaviors that differ from their normal personality. Individuals abusing PCP may also appear flushed and sweating, have an inability to feel pain, or be incapable of perceiving sounds.
Effects of barbiturates and benzodiazepines
Barbiturates are medications that are sometimes used to treat patients undergoing surgery or those suffering from a seizure disorder. Benzodiazepines (e.g., Xanax and Valium), on the other hand, are medications that are often prescribed to treat sleep disorders and anxiety.
To recognize this drug influence, people may appear to be dizzy, confused, have blurry vision, be unable to maintain their balance, or display depressive behavior.
Effects of opiates
Opiates and opioids are drugs that can include both prescription medications and street drugs, such as Vicodin, OxyContin, and heroin. The effects of opiates may include delayed reaction times, difficulty concentrating, general lethargy, changes in behavior, and mood swings. Opiates can also have an effect on an individual’s ability to digest food, which can lead to intestinal issues and constipation.
How to respond when someone appears high
What to do immediately
- Stay calm
- Assess safety (yours and theirs)
- Find and create a safe space (e.g., remove dangers, offer water)
- Encourage, support, and monitor
When to call for help
Call emergency services (911) immediately if the person:
- Is unresponsive
- Is experiencing difficulty breathing
- Is showing signs of overdose
- Is behaving aggressively or violently
- Is experiencing seizures, chest pain, or confusion
If you are unsure whether a person needs emergency services, calling 911 is the safest option.
Approaching the person with concern
If you feel comfortable approaching the person about your concerns, follow these tips:
- Approach calmly and speak in a soothing, non-judgmental tone
- Use simple, clear language and short sentences
- Express concern for their safety (avoid lecturing)
- Avoid confrontation
- Offer to help them get medical attention if needed
Early intervention
Now that you know the warning signs to look for, you’ll be better prepared to determine whether or not your loved one is addicted to drugs. If you suspect that someone you love may be using drugs, get help immediately. Early intervention is critical when it comes to their long-term recovery. Before talking to your loved one, it is important to research drug treatment programs and to consult with a professional interventionist to determine the best course of action for your loved one’s drug addiction.
Why early recognition matters
Spotting the early signs of substance use can help prevent accidents, medical emergencies, and ensure the person gets help before the situation worsens or becomes dangerous.
Helping a loved one seek treatment
Research local rehab centers, detox programs, urgent care, or primary care physicians, and approach them with this information in a calm and supportive manner.
Contact Beach House Center for Recovery to learn about our free intervention consultations. We can help families understand the intervention process.
Frequently asked questions about recognizing drug use
Can someone act sober even when they're high?
Yes. Some people can mask their symptoms, especially if they are only mildly intoxicated. This can make it harder to know if someone is high.
Do certain drugs have delayed effects that appear hours later?
Yes. Substances like edibles, certain pills, or slow-release drugs can take a few hours to produce noticeable effects.
Are teens and adults equally easy to identify when high?
Not necessarily. Age, tolerance, and behavior patterns can make signs more or less obvious in different age groups.
Is it dangerous to confront someone while they're high?
It can be. It is important to assess the situation before approaching someone when they are high, as they can be agitated, angry, or unpredictable.
Can someone appear high without using drugs?
Yes. Illness, fatigue, mental health conditions, and certain medications can mimic signs of being high.
What’s the difference between being high and withdrawal symptoms?
While being high causes heightened or altered senses, withdrawal typically causes discomfort, irritability, or physical discomfort.
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