Can You Overdose on Ativan (Lorazepam)?

An overdose of Ativan (lorazepam) occurs when someone consumes too much of the drug, either accidentally or intentionally. This can slow down the brain and body, resulting in extreme drowsiness, difficulty breathing, confusion, or even a coma. Mixing Ativan with alcohol or opioids significantly increases this risk.

This article explains how an Ativan overdose happens, its symptoms, risks, and what to do in an emergency.

What Is Ativan?

Ativan is the brand name for lorazepam, a prescription medication used to treat anxiety, sleep disturbances, or excessive tension. It belongs to a class of drugs called benzodiazepines, also known as sedatives or tranquilizers, which work by slowing down brain activity.

Ativan interacts with a brain chemical called GABA, which promotes calmness. It enhances GABA’s effects by binding to a site on brain cells known as the GABA-A receptor. This action opens a small channel that allows calming signals to enter, reducing brain activity and helping the body relax or feel sleepy [1].

Approved Indications & Off‑Label Uses

The U.S. Food and Drug Administration (FDA) has approved Ativan (lorazepam) for several medical uses, including:

• Short-term relief of anxiety, typically lasting up to a few weeks.

• Treatment of insomnia caused by anxiety.

• Sedation before surgery or medical procedures, sometimes causing amnesia to prevent recall of the event.

• Management of status epilepticus, a prolonged and potentially dangerous seizure.

Ativan is also sometimes prescribed for conditions not officially approved by the FDA, known as off-label uses. These may include [2]:

• Calming severe agitation or confusion.

• Managing alcohol withdrawal symptoms, such as tremors or restlessness.

• Treating panic disorder or acute panic attacks.

• Relieving nausea and vomiting caused by cancer treatments.

• Treating catatonia, a condition where a person may not move or speak.

When Ativan is administered, it typically takes effect within minutes if given by injection or within one to two hours if taken as a pill. Its calming effects generally last several hours but subside within about a day.

Side Effects of Ativan

Short-Term Side Effects

When people start taking Ativan (lorazepam), some may experience side effects immediately. These are generally mild but can be bothersome:

• Drowsiness or Sleepiness: You may feel extremely tired or sleepy, a very common effect.

• Dizziness: You might feel unsteady, lightheaded, or at risk of falling.

• Weakness: Your muscles may feel tired or weak.

• Confusion: Some individuals may feel disoriented or have difficulty thinking clearly.

• Shakiness: You may experience tremors or difficulty walking, increasing the risk of falls.

These side effects typically lessen as the body adjusts to the medication. Until then, it is advisable to avoid driving, riding bicycles, or operating machinery.

Serious and Paradoxical Effects

Some individuals may experience rare, more serious, or unusual (“paradoxical”) reactions to Ativan. These are less common but important to recognize:

Respiratory Depression

This occurs when breathing becomes very slow or shallow. It can happen with a high dose of Ativan or when it is mixed with other substances, such as alcohol or opioids.

Low Blood Pressure

Ativan can occasionally cause blood pressure to drop significantly, leading to fainting or a weak pulse.

Excitement

Although Ativan typically has a calming effect, it can sometimes cause the opposite reaction. Some individuals, particularly children or older adults, may experience increased anxiety, agitation, or restlessness.

Coma

In rare cases, such as with a large dose or when combined with other medications, Ativan can lead to unconsciousness or a coma.

What should you do?

• If you feel excessively sleepy or unsteady, avoid driving or engaging in activities requiring alertness until the side effects subside.

• Contact your doctor if you experience confusion, unusual excitement, fainting, or difficulty breathing.

• If someone is unresponsive or breathing slowly, seek emergency medical help immediately.

Can One Overdose on Ativan?

An overdose occurs when someone takes more of a medication than their body can safely handle. For benzodiazepines like Ativan (lorazepam), this can lead to central nervous system (CNS) depression, where the brain and spinal cord slow down significantly. This may cause effects ranging from extreme drowsiness (sedation) to an inability to wake up (coma), as breathing and cognitive functions become impaired.

When taken alone, without combining with alcohol or other drugs, an Ativan overdose is rarely fatal. A person may experience prolonged sleepiness or fatigue. However, the risk becomes significantly higher when Ativan is combined with other substances that also impair brain function and breathing [3].

Risk Factors That Increase Overdose Potential

Some things make overdosing more likely or more dangerous:

• High dose: Taking a lot of Ativan at once, more than the doctor said, makes it very easy to slip into deep sedation or coma.

• Long-term use: Over weeks or months, the body can’t clear it as fast. So the same dose gets stronger over time.

• Opioids or alcohol mixing: Alcohol or painkillers like opioids, and Ativan, all of these slow the brain & breathing. Together, they act like a potent, yet sedating, substance that can dangerously slow breathing. Many deaths happen this way.

• Older age: Seniors often process medicines more slowly. Even normal amounts of benzodiazepines can build up in their system.

• Liver or lung problems: The liver helps break down Ativan. If it’s weak, the medicine stays longer and can build up. And if the lungs aren’t strong (like in asthma or COPD), breathing can slow down too much.

Signs and Symptoms of Ativan Overdose

Signs of an Ativan (lorazepam) overdose include drowsiness, confusion, slurred speech, and unsteady walking. In severe cases, symptoms can escalate to dangerously slow breathing, low blood pressure, loss of consciousness, and, in rare instances, seizures or death [4].

Early Warning Signs

When someone takes too much Ativan, early signs may appear, indicating the brain is slowing down excessively:

• Confusion: The person may be disoriented about their identity, location, or the time.

• Excessive Fatigue: They may be exhausted and difficult to rouse.

• Slurred Speech: Their words may sound slow, mumbled, or hard to understand.

• Unsteady Movement: Their walking may be shaky or uncoordinated, increasing the risk of falls.

These signs happen first and mean their brain is slowing down too much from the overdose.

Severe Overdose Symptoms

If too much Ativan is taken, the person may experience more serious symptoms:

• Breathing problems: The breathing could become very slow & shallow. This is rather risky because it can prevent oxygen from reaching the brain.

• Low blood pressure: One might feel lightheaded or faint, or look pale & weak.

• Coma: The person may become so deeply unconscious that they cannot wake up.

• Seizure or death: In rare cases, especially when Ativan is combined with alcohol or other drugs, an overdose can lead to seizures or death.

Emergency Treatment Options for Overdose

If someone has taken too much Ativan, immediate action is critical. Follow these steps:

• Call Emergency Services: Dial 911 or your local emergency number and inform the dispatcher that the person has overdosed on Ativan. Provide any relevant details, such as other substances involved, to help medical responders act quickly.

• Monitor Breathing: Ensure the person is still breathing. If they are, place them in the recovery position (on their side) to keep their airway clear and prevent choking if they vomit.

• Perform CPR if Necessary: If the person stops breathing or has a weak pulse and you are trained in CPR, begin immediately and continue until help arrives.

• Avoid Giving Anything by Mouth: Do not offer food, drink, or medication, as this could cause choking or worsen the situation.

• Stay with the Person: Keep them calm, warm, and responsive if possible. Monitor their condition for changes while awaiting emergency help.

Ativan Withdrawal

When someone consumes Ativan for even a few weeks, the body becomes accustomed to it. This is known as Ativan tolerance. This indicates that your normal dose may no longer be effective, so you may need a higher dose to achieve the same level of calm. Over time, your brain expects it. If you quit suddenly, your body is surprised; it doesn’t know how to function without the medication. This reaction is called withdrawal. The dependence does not have to come from taking too much. [5]

Symptoms and Timeline

Withdrawal can be hurtful or even difficult. Signs mostly initiate 8 to 24 hours after the last dose because the drug leaves your body quickly. 

Early symptoms: first 1–4 days:-

• Anxiety or panic

• Trouble sleeping

• Shaking hands

• Headaches

• Fast heartbeat

• Sweating

Middle phase: about 10–14 days:-

• Stomach problems like nausea or cramps

• Mood swings

• Irritability

• Confusion, concentration trouble

• Hallucinations or seizures can be life-threatening

Months afterward:

• Mild anxiety or insomnia may come & go for weeks or months.

Safe Tapering & Management

The safest way to stop Ativan is by slowly decreasing the dose over a course. This helps your brain reset without causing a shock. A doctor guides how quickly to reduce. It might be a 5%–10% cut every few weeks. Sometimes, doctors change the medication to diazepam (a longer-acting version). Then they slowly reduce that.

Ativan Addiction (Sedative Use Disorder)

Ativan addiction (sedative use disorder) shows up when people lose control, crave the medicine, and keep using it despite problems.

DSM‑5 & ICD‑10 Diagnostic Criteria

Medics employ official guides like the DSM-5 & ICD-10 to determine if one has a sedative use disorder. This is a clinical term for an addiction to medicines like Ativan. To be diagnosed, a person needs to show at least two of these problems within a year:

• Taking more Ativan than planned or for longer than intended.

• Feeling a strong urge to have the medicine.

• The addicted person requires higher doses to feel the same effect.

• Continuing to take it even when it causes problems in school, work, or at home.

Treatment Approaches

If someone is addicted to Ativan, there are ways to help and recover:

Medical Detox

A person may go into a hospital or special center for detox to slowly reduce the medicine under a doctor’s care. This helps prevent dangerous symptoms, such as seizures.

Behavioral Therapies

Counseling & talking with a therapist helps teach someone how to cope without relying on medication. They learn new ways to handle stress and anxiety.

Long‑Term Support

Support groups and ongoing therapy encourage and support individuals in staying strong on their path to recovery.

FAQs

1. What does lorazepam do if you take too much of it?

Consuming too much lorazepam can: 

• Slow your breathing

• Causes severe drowsiness

• Confusion

• Lead to unconsciousness & coma in rare circumstances.

2. What’s the maximum amount of lorazepam you can take?

Physicians mainly prescribe no more than 10 mg per day for anxiety. Taking more than this without guidance can be dangerous & raise the risk of overdose.

3. Can lorazepam cause a coma?

Yes, it can, but usually only in high doses or when mixed with other calming drugs or alcohol. This doesn’t happen often with proper use. However, if you ever feel that something is wrong, seek help promptly. 

4. Why do doctors use lorazepam at the end of life?

At the end of life, the goal is comfort. Lorazepam helps ease the mind and body, allowing people to feel calm during difficult times.

Get Treatment for Addiction at Alliance Recovery

If you’re struggling with drugs like lorazepam or other substances, you are not alone. Real help is here for you.

At Alliance Recovery, we understand how hard it can be. Many of us have faced addiction, too. That’s why we know how to help you feel better and get back on track.

When you come to us, you will get:

• One-on-one and group sessions are made just for you.

• A friendly and caring team that supports you.

• Help plan your future and stay strong after treatment.

You don’t have to do this alone; we’ll be with you each step of the way as you build a better & happier life.

Call our treatment team at (844) 287-8506 to get started.

Sources

[1]https://www.verywellmind.com/ativan-lorazepam-2584283

[2]https://www.ncbi.nlm.nih.gov/books/NBK532890

[3]https://emedicine.medscape.com/article/813255-overview

[4]https://medlineplus.gov/druginfo/meds/a682053.html

[5]https://www.verywellmind.com/ativan-withdrawal-symptoms-4588394