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The product code(s) for this leaflet is: PL 12762/0543.
Lorazepam 0.5mg Tablets
Lorazepam 0.5mg Tablets
lorazepam
This medicine contains lorazepam, which can cause dependence, tolerance and addiction. You can get withdrawal symptoms if you stop taking it or reduce the dose suddenly.
1. What Lorazepam 0.5mg Tablet is and what it is used for
2. What you need to know before you take Lorazepam 0.5mg Tablet
3. How to take Lorazepam 0.5mg Tablet
4. Possible side effects
5. How to store Lorazepam 0.5mg Tablet
6. Contents of the pack and other information
This medicine has been prescribed for you as
It contains the lorazepam which belongs to a class of medicines called benzodiazepines.
This medicine has been prescribed to you and should not be given to anyone else.
Lorazepam 0.5mg Tablets are not to be used for longer than 4 weeks, to treat mild or moderate anxiety in adults or for anxiety/insomnia in children.
Benzodiazepines can cause dependence, tolerance and addiction, and you may get withdrawal symptoms if you stop taking it or reduce the dose suddenly. Your prescriber should have explained how long you will be taking it for and, when it is appropriate to stop, how to do this safely. When your treatment is stopped, it is usually done gradually over a period which is specific to you and may occur over a period of weeks to months.
If you have been only prescribed Lorazepam for anxiety and no other medications, please consult with your doctor whether other medications should also be prescribed.
Talk to your doctor, pharmacist or nurse before taking Lorazepam 0.5mg Tablet:
Taking this medicine regularly, particularly for a long time, can lead to physical dependence and addiction. Your prescriber should have explained how long you will be taking it for and, when it is appropriate to stop, how to do this safely. When your treatment is stopped, it is usually done gradually over a period which is specific to you and may occur over a period of weeks to months.
Physical dependence and addiction can cause withdrawal symptoms when you stop taking this medicine.
Withdrawal symptoms can include: headaches, muscle pain, anxiety, tension, depression, restlessness, sweating, confusion or irritability. Do not stop taking your tablets suddenly. This could lead to more serious symptoms such as loss of the sense of reality, feeling unreal or detached from life, and unable to feel emotion. Some patients have also experienced numbness or tingling of the arms or legs, tinnitus (ringing sounds in the ears), oversensitivity to light, sound and touch, uncontrolled or overactive movements, twitching, shaking, feeling sick, being sick, stomach upsets or stomach pain, loss of appetite, agitation, abnormally fast heartbeats, panic attacks, dizziness or feeling that you are about to fall, memory loss, hallucinations, feeling stiff and unable to move easily, feeling very warm, convulsions (sudden uncontrolled shaking or jerking of the body).
Your prescriber will discuss with you how to gradually reduce your dose before stopping the medicine. It is important that you do not stop taking the medicine suddenly as you will be more likely to experience withdrawal symptoms. Your prescriber will ensure that your plan for stopping treatment is tailored to you and can be adapted according to your needs and experience of any withdrawal symptoms.
Benzodiazepines should only be used by those they are prescribed for. Do not give your medicine to anyone else. Taking higher doses or more frequent doses of benzodiazepines, may increase the risk of addiction. Overuse and misuse can lead to overdose and/or death.
Lorazepam may cause muscle relaxation and caution is advised as you may be at a greater risk of falling (see section 4).
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
Lorazepam 0.5mg Tablets may affect the way other drugs work. In particular, you should tell your doctor if you are taking any other sedative (e.g. barbiturates or antihistamines), anti-anxiety drugs, anti-depressants, strong pain killers (e.g. methadone), drugs for epilepsy (e.g. phenobarbital or valproate), antihistamines, or drugs for mood or mental disorders (e.g. chlorpromazine, loxapine or clozapine), drugs for cataplexy; treating HIV; to treat delusions or hallucinations; to help with indigestion (e.g. omeprazole); muscle relaxants (e.g. baclofen and tizanidine); drugs for addiction treatment (e.g. lofexidine and disulfram); anti-tuberculosis drugs such as isoniazid; antibiotics such as erythromycin; drugs to treat high blood pressure; Parkinson's disease drugs e.g. levodopa; oestrogen-containing contraceptives and drugs for asthma (theophylline). The dose of these drugs may need to be reduced before you can take lorazepam.
Concomitant use of this product and opioids (strong pain killers, medicines for substitution therapy and some cough medicines) increases the risk of drowsiness, difficulties in breathing (respiratory depression), coma and may be life-threatening. Because of this, concomitant use should only be considered when other treatment options are not possible. However if your doctor does prescribe this product together with opioids the dose and duration of concomitant treatment should be limited by your doctor.
Please tell your doctor about all opioid medicines you are taking, and follow your doctor’s dose recommendation closely. It could be helpful to inform friends or relatives to be aware of the signs and symptoms stated above. Contact your doctor when experiencing such symptoms.
Grapefruit juice and drinks containing caffeine should be avoided as they can affect the way that Lorazepam work.
Alcohol should be avoided.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Do not take this medicine if you are pregnant, or might become pregnant, without consulting your doctor. Benzodiazepines, including lorazepam, may cause damage to the foetus if taken during early pregnancy.
If you take this medicine during late pregnancy or during labour, your baby, when born, may be less active than other babies, have a low body temperature, be floppy, or have breathing or feeding difficulties for a while. Your baby’s response to the cold might be temporarily impaired. If this medicine is taken regularly in late pregnancy, your baby may develop withdrawal symptoms after birth.
Do not take this medicine if you are breast-feeding, since the drug may pass into breast milk, and cause the baby to be less active and unable to suckle.
Lorazepam may make you feel dizzy, sleepy or forgetful during the day, or may affect your concentration. This may affect your performance at skilled tasks such as driving machinery or operating machinery by affecting your vision or muscle function. You should not take part in any other activities where this could put yourself or others at risk.
You should avoid alcohol while you are taking lorazepam, since this may make you very drowsy and seriously affect your ability to drive or use machines.
The medicine can affect your ability to drive as it may make you feel sleepy or dizzy.
Talk to your doctor or pharmacist if you are not sure whether it is safe for you to drive while taking this medicine.
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
This medicine contains less than 1 mmol sodium (23 mg) per dosage unit, that is to say essentially ‘sodium-free’.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
Lorazepam 0.5mg Tablets should be swallowed with water.
The recommended dose is:
Adults (and children over 13 years of age)
Children (between 5 and 13 years of age)
Elderly or patients with liver or kidney problems
Your prescriber should have discussed with you how long the course of tablets will last. They will arrange a plan for stopping treatment. This will outline how to gradually reduce the dose and stop taking the medicine. Your prescriber will ensure that your plan for stopping treatment is tailored to you and can be adapted according to your needs and experience of any withdrawal symptoms.
The beneficial effect of Lorazepam may be less apparent after several weeks of use. If you are given lorazepam for more than 4 weeks, your doctor might want to take blood samples occasionally to check your blood and liver, since drugs like Lorazepam have occasionally affected blood and liver function.
If anyone has taken an overdose of Lorazepam (that is more than the doctor has prescribed), seek medical help immediately, either by calling your doctor, or going to the nearest casualty department.
Always take the labelled medicine container with you, even if there are no tablets left.
Do not take a double dose to make up for a forgotten tablet. If you forget to take a tablet for anxiety, you should take it as soon as you remember if it is less than 3 hours since your usual time. If more than 3 hours has passed from when you usually take your tablet, just take your next tablet when it is due.
If you forget to take a tablet for sleeping problems, only take it if you will be able to sleep for 7 to 8 hours afterwards.
If you suffer from any of these symptoms, ask your doctor for advice immediately.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
If you experience any of the following more rare unwanted effects, you should tell your doctor immediately (these effects are more likely to occur in children and elderly patients):
Restlessness, agitation, irritability, aggressiveness, violent anger, sleeping difficulties, nightmares, hallucinations, personality changes, sexual arousal, abnormal behaviour or false beliefs.
Unexplained bleeding and/or bruising; increased risk of infections e.g. frequent sore throats, mouth ulcers, weakness and pale skin as these are symptoms of blood dyscrasia.
Impaired consciousness (e.g. reduced alertness, confusion, disorientation, fainting) as this may ultimately lead to coma.
Thoughts of harming or killing yourself, becoming dependent on Lorazepam.
Severe allergic reactions e.g. difficulty in breathing, swelling of the lips, mouth, tongue, throat, hands, feet and /or severe faintness or dizziness.
Jaundice e.g. yellowing of the skin, eyes, nose, mouth, pale coloured stools (faeces) and dark coloured urine.
Very common (may affect more that 1 in 10 people):
Daytime drowsiness
Common (may affect around 1 in 100 people):
Dizziness, poor muscle control, muscle weakness, fatigue
Rare (may affect around 1 in 1,000 people):
Depression, numbed emotions, difficulty controlling urges and impulses to speak, act or show emotions, a feeling of well-being for no reason, appetite changes, sleep problems, changes in sex drive, decreased orgasm, headache, slurred speech, memory loss or forgetfulness, problems with vision including double vision or blurred vision, worsening of sleep apnoea (e.g. loud snoring, restlessness and choking/gasping during the night), breathing difficulties, stomach upsets, nausea, constipation, changes in the amount of saliva in the mouth, skin problems such as rashes and inflammation, erectile dysfunction, blood or liver function changes, low blood pressure or low body temperature.
Very rare (may affect around 1 in 10,000 people):
Trembling or shaking
Not known (frequency cannot be estimated from the available data):
Increased risk of falling, dependence and addiction (see section “How do I know if I am tolerant or addicted?”)
Drug Withdrawal
When you stop taking Lorazepam 0.5mg Tablets, you may experience drug withdrawal symptoms, which include headaches, muscle pain, anxiety, tension, depression, restlessness, sweating, confusion or irritability. Do not stop taking your tablets suddenly. This could lead to more serious symptoms such as loss of the sense of reality, feeling unreal or detached from life, and unable to feel emotion.
Some patients have also experienced numbness or tingling of the arms or legs, tinnitus (ringing sounds in the ears), oversensitivity to light, sound and touch, uncontrolled or overactive movements, twitching, shaking, feeling sick, being sick, stomach upsets or stomach pain, loss of appetite, agitation, abnormally fast heartbeats, panic attacks, dizziness or feeling that you are about to fall, memory loss, hallucinations, feeling stiff and unable to move easily, feeling very warm, convulsions (sudden uncontrolled shaking or jerking of the body
How do I know if I am tolerant or addicted?
If you notice any of the following signs whilst taking Lorazepam 0.5mg Tablets, it could be a sign that you have become addicted.
If you notice any of these signs, it is important you talk to your prescriber.
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme Website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.
By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the carton after EXP. The expiry date refers to the last day of that month.
Lorazepam 0.5mg Tablets should be stored below 25°C, in their original package in order to protect from light. They should be stored safely, where children cannot see or reach them.
Return any unused tablets to your pharmacist. Only keep them if your doctor tells you to.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
Lorazepam 0.5mg Tablets are white, round with rounded edge.
Alu/Alu blister packs containing 28 and 30 tablets.
Not all pack sizes may be marketed.
This leaflet was last revised in December 2025.
Alternative formats of this leaflet can be provided upon request.