Glibenclamide Tablets 2.5mg
Glibenclamide Tablets 5mg
Read all of this leaflet carefully before you start taking this medicine
- Keep this leaflet. You may need to read it again.
- If you have any further questions, ask your doctor or pharmacist.
- This medicine has been prescribed for you. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours.
- If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or your pharmacist.
IN THIS LEAFLET:
- What Glibenclamide is and what it is used for.
- Before you take Glibenclamide.
- How to take Glibenclamide.
- Possible side effects.
- How to store Glibenclamide.
- Further Information.
- WHAT GLIBENCLAMIDE IS AND WHAT IT IS USED FOR
Glibenclamide is a medicine taken by mouth to help lower blood sugar. It belongs to a group of medicines called sulfonylureas.
Glibenclamide works by increasing the amount of insulin released from your pancreas. The insulin then lowers your blood sugar levels.
Glibenclamide is used to treat a certain form of diabetes (type 2 diabetes mellitus), when diet, physical exercise and weight reduction alone have not been able to control your blood sugar levels.
- BEFORE YOU TAKE GLIBENCLAMIDE
Do not take Glibenclamide Tablets if
- you are allergic (hypersensitive) to glibenclamide, sulphonamides (medicines for bacterial infection) or any of the other ingredients of Glibenclamide.
- you have diabetic ketoacidosis (a complication of diabetes with some of the following signs: fatigue, nausea (feeling sick), frequent urination and muscular stiffness)
- you have experienced unusual breathing, strong-smelling breath, or suffered from confusion, fainting or even coma as a result of your illness.
- you have insulin-dependent Mellitus diabetes which does not respond to dietary measures alone.
- you have juvenile or ?brittle? diabetes.
- you have sulphonylurea or sulphonamide intolerance.
- you are pregnant or breast-feeding a baby.
- you have kidney or liver problems, or specific hormone requirements.
- you are taking medicines for the heart (e.g. bosentan used to treat high blood pressure)
Do not take this medicine if any of the above apply to you. If you are not sure, talk to your doctor or pharmacist before taking glibenclamide.
Take special care with Glibenclamide Tablets and talk to your doctor if
- you have had any problems in the past with medicines used to treat a high blood sugar, sulphonamide antibiotics or if you have ever reacted badly to water tablets.
- you have or have had major surgery or you recently suffered an infection, trauma or shock, your doctor may need to review your treatment.
- you have an intolerance to some sugars
- you have high levels of sugar in blood and urine
- you have an enzyme deficiency (glucose-6-phosphate dehydrogenase) which can cause a reduction in red blood cells (haemolytic anaemia)
- you have a severe liver or kidney disorder
- you need an operation or are under particular stress
If you are not sure if any of these apply to you, talk to your doctor or pharmacist before taking glibenclamide. Lowering of the haemoglobin level and breakdown of red blood cells (haemolytic anaemia) can occur in patients missing the enzyme glucose-6-phosphate dehydrogenase. The information available on the use of glibenclamide in people under 18 years of age is limited. Therefore glibenclamide is not recommended for use in children.
Important information about hypoglycaemia (low blood sugar)
When you take glibenclamide, you may get hypoglycaemia (low blood sugar). Please see below for additional information about hypoglycaemia, its signs and treatment.
Following factors could increase the risk of you getting hypoglycaemia:
- Undernourishment, irregular meal time, missed or delayed meal or period of fasting
- Changes to your diet
- Taking more glibenclamide than needed
- Having kidneys that do not work properly
- Having severe liver disease
- If you suffer from particular hormone-induced disorders (disorders of the thyroid glands, of the pituitary gland or adrenal cortex)
- Drinking alcohol (especially when you skip a meal)
- Taking certain other medicines (see Taking other medicines below)
- If you increase the amount of exercise you do and you don?t eat enough food or eat food containing less carbohydrate than usual.
- If you are elderly or have adrenal or pituitary insufficiency
Signs of hypoglycaemia include:
- Hunger pangs, headache, nausea, vomiting, sluggishness, sleepiness, problems sleeping, restlessness, aggression, problems with concentration, reduced alertness and reaction time, depression, confusion, problems with your speech and sight, slurred speech, shakiness, partial paralysis, dizziness, helplessness
- The following signs may also occur sweating, clammy skin, anxiety, fast or increased heartbeat, high blood pressure, awareness of your heartbeat, sudden strong pain in the breast that may radiate into neighbouring areas (angina pectoris and cardiac arrhythmias).
If blood sugar levels continue to drop you may suffer from considerable confusion (delirium), develop fits, lose self-control, breathing may be shallow and your heartbeat slowed down, you may fall into unconsciousness. The clinical picture of a severely reduced blood sugar level may resemble that of a stroke.
In most cases, the signs of reduced blood sugar vanish very quickly when you consume some form of sugar, e.g. sugar cubes, sweet juice, sweetened tea. You should therefore always take some form of sugar with you (e.g. sugar cubes).
Remember that artificial sweeteners are not effective.
Please contact your doctor or go to the hospital if taking sugar does not help or if the symptoms recur.
The level of sugar in your blood or urine should be checked regularly. Your doctor may also take blood tests to monitor your blood cell levels and liver function.
Taking other medicines
Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.
Your doctor may wish to change your dose of glibenclamide if you are taking other medicines, which may weaken or strengthen the effect of glibenclamide on the level of sugar in your blood.
The following medicines can increase the blood sugar-lowering effect of glibenclamide. This can lead to a risk of hypoglycaemia (low blood sugar):
- Other medicines to treat diabetes mellitus (such as insulin)
- Medicines to treat pain and inflammation (phenylbutazone, azopropazone, oxyphenbutazone)
- Medicines to treat urinary infections (such as some long-acting sulfonamides)
- Medicines to treat bacterial and fungal infections (tetracyclines, chloramphenicol, fluconazole, miconazole, quinolones, clarithromycin)
- Medicines to inhibit blood clotting (coumarin derivatives such as warfarin)
- Medicines supporting muscle build-up (anabolics)
- Medicines used for male sex hormone replacement therapy
- Medicines to treat depression (fluoxetine, MAO-inhibitors)
- medicines lowering high cholesterol level (fibrates)
- medicines lowering high blood pressure (ACE inhibitors)
Medicines to treat gout (probenecid, sulfinpyrazone)
- Medicines to treat cancer (cyclophosphamide, ifosfamide, trofosfamide)
- Medicines used to reduce weight (fenfluramine)
- Medicines to increase circulation when given in a high dose of intravenous infusion (pentoxifylline)
- Medicines to treat nasal allergies such as hay fever (tritoqualine)
- Medicines called sympatholytics to treat high blood pressure, heart failure, or prostate symptoms
The following medicines may decrease the blood sugar lowering effect of glibenclamide. This can lead to a risk of hyperglycaemia (high blood sugar level):
- Medicines containing female sex hormones (oestrogens, progestogens)
- Medicines to treat high blood pressure called thiazide diuretics (water tablets)
- Medicines used to stimulate the thyroid gland
- Medicines to treat allergies and inflammation (glucocorticoids)
- Medicines to treat severe mental disorders (phenothiazine derivatives)
- Medicines used to raise heartbeat, to treat asthma or nasal congestion, coughs and colds, used to reduce weight, or used in life-threatening emergencies (adrenaline and sympathomimetics)
- Medicines to treat high cholesterol level (nicotinic acid)
- Medicines to treat constipation when they are used long term (laxatives)
- Medicines to treat fits (phenytoin)
- Medicines to treat nervousness and sleep problems (barbiturates)
- Medicines to treat increased pressure in the eye
- Medicines to treat high blood pressure or lowering blood sugar (diazoxide)
- Medicines to treat infections, tuberculosis (rifampicin)
- Medicines to treat severe low blood sugar levels (glucagon)
The following medicines can increase or decrease the blood sugar lowering effect of glibenclamide:
- Medicines to treat stomach ulcers (called H2 antagonists)
- Medicines to treat high blood pressure or heart failures such as beta-blockers, clonidine, guanethidine and reserpine.
These can also hide the signs of hypoglycaemia, so special care is needed when taking these medicines
Glibenclamide may either increase or weaken the effects of the following medicines:
- Medicines inhibiting blood clotting (coumarin derivatives such as warfarin)
Taking Glibenclamide Tablets with food and drink
Alcohol intake may increase or decrease the blood sugar lowering action of Glibenclamide in an unpredictable way.
Pregnancy and breast-feeding
Glibenclamide should not be taken during pregnancy and while breast-feeding. Ask your doctor or pharmacist for advice before taking any medicine.
Driving and using machines
Your ability to concentrate or react may be reduced if your blood sugar is lowered (hypoglycaemia), or raised (hyperglycaemia) or if you develop visual problems as a result of such conditions.
Bear in mind that you could endanger yourself or others (e.g. when driving a car or using machines). Please ask your doctor whether you can drive a car if you:
- have frequent episodes of hypoglycaemia,
- have fewer or no warning signals of hypoglycaemia
Important information about some of the ingredients of Glibenclamide Tablets
This medicine contains lactose. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
- HOW TO TAKE GLIBENCLAMIDE TABLETS
Always take Glibenclamide Tablets exactly as your doctor has told you. You should check with your doctor or your pharmacist if you are not sure.
Taking this medicine
- Take this medicine by mouth, just before or with the first main meal of the day (usually breakfast). If you do not have breakfast you should take the product on schedule as prescribed by your doctor. It is important not to leave out any meal when you are on glibenclamide.
Swallow the tablets whole with at least half glass of water. Do not crush or chew the tablets
How much to take
The dose of Glibenclamide depends on your needs, condition and results of blood and urine sugar tests and is determined by your doctor. Do not take more tablets than your doctor has prescribed.
- The usual starting dose is one 5mg tablet daily.
- If necessary, your doctor may increase the dose after each 1 – 2 weeks of treatment.
- If you are run down or are elderly, you will usually start by taking a lower dose.
- Your dose of Glibenclamide may need to be adjusted if you change weight, change your lifestyle, or if you are under a lot of stress. Please speak to your doctor if any of these situations apply to you.
- If you feel the effect of your medicine is too weak or too strong do not change the dose yourself, but ask your doctor.
If you take more Glibenclamide Tablets than you should
If you happen to have taken too much glibenclamide or an additional dose there is a danger of hypoglycaemia (signs of hypoglycaemia see Section 2 – Take special care with glibenclamide ) and therefore you should instantly consume enough sugar (e.g. a small bar of sugar cubes, sweet juice, sweetened tea) and inform a doctor immediately.
When treating hypoglycaemia due to accidental intake in children, the quantity of sugar given must be carefully controlled to avoid the possibility of producing dangerous hyperglycaemia. Persons in a state of unconsciousness must not be given food or drink.
Since the state of hypoglycaemia may last for some time it is very important that the patient is carefully monitored until there is no more danger. Admission into the hospital may be necessary, also as a measure of precaution. Show the doctor the package or remaining tablets, so the doctor knows what has been taken.
Severe cases of hypoglycaemia accompanied by loss of consciousness and coma are cases of medical emergency requiring immediate medical treatment and admission into hospital. It may be helpful to tell your family and friends to call a doctor immediately if this happens to you.
If you forget to take Glibenclamide Tablets
If you forget to take a dose, do not take a double dose to make up for forgotten doses. Take your normal dose as soon as you remember and continue as normal. If you are unsure or are concerned contact your doctor to discuss.
If you stop taking Glibenclamide Tablets
Stopping or interrupting your medicine before finishing the course of treatment may cause your symptoms to return.
It is important not to stop taking your medicine without prior discussion with your doctor.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
- POSSIBLE SIDE EFFECTS
Like all medicines, glibenclamide can cause side effects, although not everybody gets them.
Tell your doctor immediately if you experience any of the following symptoms:
- Allergic reactions (including inflammation of blood vessels, often with skin rash) which may develop into serious reactions with difficulty in breathing, fall in blood pressure and sometimes progressing to shock.
- Abnormal liver function including yellowing of the skin and eyes (jaundice), problems with the bile flow (cholestasis), inflammation of the liver (hepatitis) or liver failure.
- Allergy (hypersensitivity) of the skin such as itching, rash, hives and increased sensitivity to the sun. Some mild allergic reactions may develop into serious reactions.
- Severe hypoglycaemia including loss of consciousness, seizures or coma Some patients experienced the following side effects whilst taking glibenclamide:
Rare side effects (affects more than 1 patient in 10,000 and less than 1 patient in 1000 people)
- Lower blood sugar than normal (hypoglycaemia) (See Section 2 ? Take special care with glibenclamide )
- A decrease in the number of blood cells.
- Blood platelets (which increases the risk of bleeding or bruising)
- White blood cells (which makes infections more likely)
- Red blood cells (which can make the skin pale and cause weakness or breathlessness) These problems generally get better after you stop taking glibenclamide.
Very rare side effects (affects less than 1 patient in 10,000)
Allergic reactions (including inflammation of blood vessels, often with skin rash) which may develop into serious reactions with difficulty in breathing, fall in blood pressure and sometimes progressing to shock. If you experience any of these symptoms, tell your doctor immediately.
- Abnormal liver function including yellowing of the skin and eyes (jaundice), impairment of the bile flow (cholestasis), inflammation of the liver (hepatitis) or liver failure. If you experience any of these symptoms, tell your doctor immediately.
- Feeling or being sick, diarrhoea, feeling full or bloated, and abdominal pain
- A decrease in the amount of sodium level in your blood (shown by blood tests)
Other side effects include:
- Allergy (hypersensitivity) of the skin may occur such as itching, rash, hives and increased sensitivity to the sun. Some mild allergic reactions may develop into serious reactions with swallowing or breathing problems, swelling of your lips, throat or tongue. Therefore in the event of one of these side effects, tell your doctor immediately.
- Problems with your sight may occur when beginning treatment with glibenclamide. This is due to changes in blood sugar levels and should soon improve
Increased liver enzymes
If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.
- HOW TO STORE GLIBENCLAMIDE TABLETS
This medicinal product does not require any special storage conditions.
Keep out of the reach and sight of children.
Do not use Glibenclamide Tablets after the expiry date which is stated on the carton and on the label or blister. The expiry date refers to the last day of that month.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.
- FURTHER INFORMATION
What Glibenclamide Tablets contain
Each tablet contains:
The other ingredients are microcrystalline cellulose, lactose monohydrate, colloidal anhydrous silica, magnesium stearate and talc.
What Glibenclamide Tablets look like and contents of the pack
Blisters: 7, 14, 28, 30, 50, 90, 100 and 500mg modified-release tablets.
Not all pack sizes may be marketed.
Not all pack sizes may be marketed
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