Lorazepam: Uses, Dosage & Side Effects

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(Last Updated On: September 7, 2017)

Lorazepam is used to treat seizures, epileptic cases. This drug is one among the group of  benzodiazepine. As it is used for treating epileptic cases, it is known as anti-epileptic drug. Sometimes, it is also used to treat anxiety, panic disorders (including agoraphobia) in adults and etc.

Information about Lorazepam:

If the patient is suffering from glaucoma or severe liver disorders, then this medicine is not recommended unless on doctor’s advice. Immediate consult to the doctor is required, if the patient is experiencing the following symptoms such as depression, unusual changes in the behaviour or suicidal thoughts and etc.

This medicine should be used as exactly how the doctor has prescribed and it is must for the patient to follow the directions written on the prescription label. It should not be used in small or large doses and also not for longer duration than prescribed. This medicine should be taken for only 4-8 weeks and if any extension is required then consult your doctor.

Do not crush or chew the tablets or capsules. Do not swallow the tablets or medicines rather consume it with a full glass of water.

Do not consume alcohol while you are undergoing any kind of medication. Lorazepam is habit-forming drug, so it should not be consumed for longer duration than prescribed. Any medication should not be shared with others as the medication may change from person to person.

Dosage pattern of Lorazepam:

Adult dose:

For Anxiety:

The minimum dose is about 3 mg to be taken orally once in a day, divided into 2-3 doses and also may be increased to 0.5 mg more until the symptoms of the seizures are not seen in the patient.

Use: It is used to treat the symptoms of anxiety in adults.

For Anesthesia:

IM: The minimum dose is about 0.05 mg/kg and the maximum dose should not exceed to 4  mg

IV: The dose is about 2 mg total or 0.044mg

For Pediatric dose:

For children it is also administered orally, to minimise the drowsiness.

The initial dose and the minimum dose is based on the age and weight of the child.

The minimum dose is about 0.01-0.03 mg/kg once in a day, given in two to three divided doses. If the doses are not equally divided, the larger dose can be given. It is highly recommended to consult doctor whenever you are giving any medication.

For Panic disorder:

Initial dose is about 2.5 mg to be taken orally for 2 times in a day,

Maintenance dose: it is about 1 mg to be taken orally once in a day

Maximum dose: it is about 4 mg to be taken orally once in a day

Use: It is used for the treatment of panic disorder

Paediatric dose:

The paediatric dose depends upon the children age and weight.

For Seizures prophylaxis

If the child is of 10 yrs age and is 30 kg body weight:

The minimum dose is about 0.01 mg /kg to 0.05 mg/kg per day can be given orally in 2-3 divided doses.

Use:It is used in the treatment of petit mal epilepsy

Lorazepam overdose:

If the patient is experiencing any of the following symptoms of overdose, then immediately consult your doctor.

  • Extreme drowsiness
  • Muscle weakness
  • Confusion
  • Fainting
  • coma

Lorazepam side effects:

Severity: major

More common:

  • headache
  • cough
  • chills
  • difficulty in breathing
  • fever
  • irritability
  • lack of appetite
  • loss of voice
  • runny nose
  • sneezing
  • Tiredness
  • Trouble with concentration
  • Insomnia

Less common:

  • Bladder pain
  • Bloody urine
  • Joint pains
  • diarrhea
  • loss of appetite
  • Lower back pain
  • Nausea
  • Nervousness
  • Shivering
  • Slurred speech
  • Sore throat
  • Vomiting
  • Trouble with speaking

Severity: major

Less common

  • Decreased libido
  • Heavy bleeding
  • Loss of sexual ability
  • Voice changes


  • Joint pain
  • Blurred vision
  • Difficulty in moving
  • Double vision
  • Hair loss
  • Heartburn
  • Indigestion
  • Menstrual irregularities
  • Itching
  • Red, sore eyes
  • Thirst

Lorazepam: brand names, price list.

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