This medication is used to treat anxiety. Lorazepam belongs to a class of drugs known as benzodiazepines which act on the brain and nerves (central nervous system) to produce a calming effect. This drug works by enhancing the effects of a certain natural chemical in the body (GABA).
OTHER USES: This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.
If directed by your doctor, this drug may also be used to reduce the symptoms of alcohol withdrawal, to prevent nausea and vomiting due to chemotherapy, and for trouble sleeping (insomnia).
Take this medication by mouth with or without food as directed by your doctor. The dosage is based on your medical condition, age, and response to treatment.
If directed by your doctor, use this medication regularly in order to get the most benefit from it. To help you remember, use it at the same time(s) each day.
This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses (more than 1-4 weeks) or if you have a history of alcoholism, drug abuse, or personality disorder. Withdrawal symptoms (such as seizures, trouble sleeping, mental/mood changes, nausea, vomiting, diarrhea, loss of appetite, stomach pain, hallucinations, numbness/tingling of arms and legs, muscle pain, fast heartbeat, short-term memory loss, very high fever, and increased reactions to noise/touch/light) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Report any withdrawal reactions immediately.
Along with its benefits, this medication may rarely cause abnormal drug-seeking behavior (addiction). This risk may be increased if you have abused alcohol or drugs in the past. Take this medication exactly as prescribed to lessen the risk of addiction.
Do not suddenly stop using this drug without consulting your doctor. Some conditions may become worse when this drug is abruptly stopped. Your dose may need to be gradually decreased.
When this medication is used for a long time, it may not work as well. Talk with your doctor if this medication stops working well.
Tell your doctor if your condition persists or worsens.
Drowsiness, dizziness, loss of coordination, headache, nausea, blurred vision, change in sexual interest/ability, constipation, heartburn, or change in appetite may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Tell your doctor right away if you have any unlikely but serious side effects, including: mental/mood changes (such as hallucinations, depression, thoughts of suicide), slurred speech or difficulty talking, vision changes, unusual weakness, trouble walking, memory problems, signs of infection (such as fever, persistent sore throat), trouble breathing (especially during sleep).
Get medical help right away if you have any rare but very serious side effects, including: yellowing eyes or skin, seizures.
In the US -
Before taking lorazepam, tell your doctor or pharmacist if you are allergic to it; or to other benzodiazepines (such as alprazolam, clonazepam, diazepam); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, glaucoma, lung/breathing problems (such as sleep apnea), mental/mood disorders (such as depression, psychosis), drug/alcohol abuse.
This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Avoid alcoholic beverages.
Older adults may be more sensitive to the side effects of this drug, especially loss of coordination and drowsiness. Also, the elderly may not experience relief of anxiety with lorazepam. It may have the opposite effect on the elderly, causing symptoms including mental/mood changes, sleeping problems, increase in sexual interest, or hallucinations. Loss of coordination, drowsiness, and sleeping problems may increase the risk of falling.
Children may not experience relief of anxiety with lorazepam. It may have the opposite effect on children, causing symptoms including agitation, shaking, or hallucinations.
This medication is not recommended for use during pregnancy. It may harm an unborn baby. Tell the doctor right away if you notice symptoms in your newborn baby such as slowed breathing, feeding problems, or constant crying. Consult your doctor for more details.
This drug passes into breast milk. Consult your doctor before breast-feeding.
Some products that may interact with this drug include: clozapine, kava, sodium oxybate (also known as gamma hydroxybutyrate or GHB).
Tell your doctor or pharmacist if you are taking other products that cause drowsiness including certain antihistamines (such as diphenhydramine), other medicines for sleep or anxiety (such as diazepam, zolpidem), muscle relaxants, narcotic pain relievers (such as codeine), psychiatric medicines (such as chlorpromazine, risperidone, amitriptyline, trazodone).
If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include confusion, slow reflexes, clumsiness, deep sleep, and loss of consciousness.
Lifestyle changes such as starting a stress reduction program may increase the effectiveness of this medication. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.
Do not share this medication with others. It is against the law.
Laboratory and/or medical tests (such as blood counts, liver function tests) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
If you miss a dose and are taking more than 1 dose daily, do not take it if it is almost time for the next dose. Instead, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up. If you take it once daily at bedtime and miss a dose, do not take it the following morning. Call your doctor to find out what to do.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
MEDICAL ALERT: Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-888-633-4298 (US) or 1-800-668-1507 (Canada).
Information last revised November 2013. Copyright(c) 2013 First Databank, Inc.
With WebMD's Medicine Cabinet, you can check interactions with drugs.Go to medicine cabinet