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Quazepam, Oral KWAZ-e-pam

What are other names for this medicine?

Type of medicine: benzodiazepine; sedative

Generic and brand names: quazepam, oral; Doral

What is this medicine used for?

This medicine is taken by mouth to treat insomnia (trouble falling asleep, frequent awakening during the night, and early morning awakening). It can be used for insomnia, poor sleeping habits, or medical conditions in which you need restful sleep. This medicine is usually for short-term use only (2 weeks or less). Longer-term use must be evaluated by your healthcare provider.

It may also be used to treat other conditions as determined by your healthcare provider.

What should my healthcare provider know before I take this medicine?

Before you take this medicine, tell your healthcare provider if you have ever had:

  • an allergic reaction to any medicine
  • anxiety, depression, or thoughts of suicide
  • glaucoma
  • heart disease
  • liver or kidney disease
  • lung disease or breathing problems
  • myasthenia gravis
  • problems with alcohol or drug abuse
  • seizures
  • sleep apnea (stopping breathing during sleep and then gasping for air)
  • trouble swallowing

Females of childbearing age: Do not take this medicine if you are pregnant. This medicine has been reported to cause birth defects. Stop taking this medicine at the first sign that you may be pregnant and contact your healthcare provider right away. Do not breast-feed while taking this medicine.

How do I take it?

Read the Medication Guide that comes in the medicine package when you start taking this medicine and each time you get a refill.

Check the label on the medicine for directions about your specific dose. Take this medicine exactly as your healthcare provider prescribes. It is usually taken as needed at bedtime. Take this medicine only when you can get a full night of sleep (7 to 8 hours) before you need to be alert. You may take it with or without food.

This medicine should be used for a short period, such as 7 to 10 days. Do not take more of it or take it longer than prescribed because it may be habit-forming. Do not increase the dosage on your own. Do not stop taking this medicine without consulting your healthcare provider. You may have to reduce your dosage gradually.

What if I miss a dose?

If you miss a dose, skip the missed dose and take the next one as directed. Do not take double doses. If you are not sure of what to do if you miss a dose, or if you miss more than one dose, contact your healthcare provider.

What if I overdose?

If you or anyone else has intentionally taken too much of this medicine, call 911 or go to the emergency room right away. If you pass out, have seizures, weakness or confusion, or have trouble breathing, call 911. If you think that you or anyone else may have taken too much of this medicine, call the poison control center. Do this even if there are no signs of discomfort or poisoning. The poison control center number is 800-222-1222.

Symptoms of an acute overdose may include: extreme drowsiness, confusion, muscle weakness, slurred speech, tremors, slow heartbeat, shallow breathing, lightheadedness, fainting, seizures, coma.

What should I watch out for?

This medicine may cause memory loss or amnesia. You may not know what you are doing for several hours after taking the medicine, including walking or driving in your sleep. If you have memory problems while taking this medicine, contact your healthcare provider right away.

This medicine may make you drowsy or dizzy the day after you take it. Do not drive or operate machinery unless you are fully alert.

This medicine may make you excited rather than drowsy. If this happens, ask your healthcare provider what to do.

This medicine increases the effects of alcohol and other drugs that slow down your nervous system. Do not drink alcohol or take other medicines unless your healthcare provider approves.

If you need emergency care, surgery, or dental work, tell the healthcare provider or dentist you are taking this medicine.

When you stop taking this medicine after you have taken it for a week or two, you may have disturbed sleep for the first night or two. You may also have withdrawal symptoms. Reducing your dosage gradually may lessen these problems. Follow your healthcare provider's instructions exactly.

Contact your provider if your insomnia does not improve in 7 to 10 days or if it gets worse.

If taken for a long time, this medicine may become less effective. Talk with your healthcare provider about this.

Adults over the age of 65 may be at greater risk for side effects. Talk with your healthcare provider about this.

This medicine is a controlled substance. It is illegal for you to give it to anyone else.

What are the possible side effects?

Along with its needed effects, your medicine may cause some unwanted side effects. Some side effects may be very serious. Some side effects may go away as your body adjusts to the medicine. Tell your healthcare provider if you have any side effects that continue or get worse.

Life-threatening (Report these to your health care provider right away. If you are unable to reach your health care provider right away, get emergency medical care or call 911 for help): Allergic reaction (hives, itching, rash, tightness in your chest, trouble breathing, swelling of your lips, tongue or throat).

Serious (report these to your healthcare provider right away): Trouble breathing, irregular or slow heartbeat, depression, thoughts of suicide, memory problems, unusual excitement, sudden mood or behavior changes, hallucinations.

Other: Headache, nervousness, confusion, dizziness, drowsiness, heartburn, constipation, nausea, vomiting, dry mouth, sweating, rash, blurred vision, unsteadiness, weakness.

What products might interact with this medicine?

When you take this medicine with other medicines, it can change the way this or any of the other medicines work. Nonprescription medicines, vitamins, natural remedies, and certain foods may also interact. Using these products together might cause harmful side effects. Talk to your healthcare provider if you are taking:

  • amiodarone (Cordarone)
  • antibiotics such as clarithromycin (Biaxin), erythromycin (EES, Ery-Tabs), isoniazid, rifampin (Rifampin, Rimactane), and rifabutin (Mycobutin)
  • antianxiety medicines such as alprazolam (Xanax), clorazepate (Tranxene), diazepam (Valium), lorazepam (Ativan), and oxazepam
  • antinausea medicines such as prochlorperazine (Compro) and promethazine (Phenergan)
  • antiseizure medicines such as carbamazepine (Tegretol), phenytoin (Dilantin), and valproic acid (Depakote, Depakene)
  • antidepressants such as amitriptyline, amoxapine, clomipramine (Anafranil), desipramine (Norpramin), doxepin, duloxetine (Cymbalta), escitalopram (Lexapro), fluoxetine (Prozac), fluvoxamine, imipramine (Tofranil), nefazodone, nortriptyline (Pamelor), paroxetine (Paxil), sertraline (Zoloft), protriptyline (Vivactil), and trimipramine (Surmontil)
  • antifungals such as fluconazole (Diflucan), itraconazole (Sporanox), and ketoconazole (Nizoral)
  • antihistamines such as brompheniramine (Dimetane), clemastine (Tavist, Tavist-1), chlorpheniramine (Chlor-Trimeton), dexchlorpheniramine, and diphenhydramine (Benadryl)
  • antipsychotic medicines such as chlorpromazine, haloperidol (Haldol), olanzapine (Zyprexa), risperidone (Risperdal), thioridazine, trifluoperazine, and ziprasidone (Geodon)
  • barbiturates such as butabarbital (Butisol), pentobarbital (Nembutal), and phenobarbital
  • birth control pills, rings, shots, and implants
  • bupropion (Wellbutrin, Zyban)
  • calcium channel blockers such as diltiazem (Cardizem) and verapamil (Calan, Isoptin)
  • cimetidine (Tagamet)
  • cyclosporine (Neoral, Sandimmune)
  • digoxin (Lanoxin)
  • disulfiram (Antabuse)
  • efavirenz (Sustiva)
  • natural remedies such as gotu kola, kava, St. John's wort, and valerian root
  • levodopa/carbidopa (Sinemet)
  • MAO inhibitor antidepressants such as isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam), and tranylcypromine (Parnate) (Do not take this medicine and an MAO inhibitor within 14 days of each other.)
  • muscle relaxants such as baclofen (Lioresal), carisoprodol (Soma), cyclobenzaprine (Flexeril), dantrolene (Dantrium), methocarbamol (Robaxin), and tizanidine (Zanaflex)
  • narcotic pain medicines such as codeine, fentanyl (Duragesic, Actiq), hydrocodone/acetaminophen (Vicodin, Lortab), hydromorphone (Dilaudid), meperidine (Demerol), methadone (Dolophine), morphine (Kadian, MS Contin), oxycodone (OxyContin, Roxicodone), oxycodone/acetaminophen (Percocet, Tylox), and pentazocine (Talwin)
  • sedatives such as zaleplon (Sonata) and zolpidem (Ambien)
  • theophylline

The effects of this medicine may be increased if you take it with grapefruit juice. Talk with your healthcare provider about this.

Do not drink alcohol while you are taking this medicine.

If you are not sure if your medicines might interact, ask your pharmacist or healthcare provider. Keep a list of all your medicines with you. List all the prescription medicines, nonprescription medicines, supplements, natural remedies, and vitamins that you take. Be sure that you tell all healthcare providers who treat you about all the products you are taking.

How should I store this medicine?

Store this medicine at room temperature. Keep the container tightly closed. Protect it from heat, high humidity, and bright light.


This advisory includes selected information only and may not include all side effects of this medicine or interactions with other medicines. Ask your healthcare provider or pharmacist for more information or if you have any questions.

Ask your pharmacist for the best way to dispose of outdated medicine or medicine you have not used. Do not throw medicine in the trash.

Keep all medicines out of the reach of children.

Do not share medicines with other people.


Developed by RelayHealth.
Medication Advisor 2012.1 published by RelayHealth.
Last modified: 2011-06-06
Last reviewed: 2011-05-23
This content is reviewed periodically and is subject to change as new health information becomes available. The information is intended to inform and educate and is not a replacement for medical evaluation, advice, diagnosis or treatment by a healthcare professional.
© 2012 RelayHealth and/or its affiliates. All rights reserved.
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