What Carbamazepine is used for:
Carbamazepine is used:
- To treat some forms of epilepsy
- To treat a painful condition of the face called trigeminal neuralgia
- To help control serious mood disorders when some other medicines don’t work.
Do not take Carbamazepine if:
- you think you may be hypersensitive (allergic) to Carbamazepine or similar drugs,
- you think you may be allergic to any of the other ingredients of this medicine,
- you have any heart problems,
- you have had serious blood illnesses in the past,
- you have ever had problems with your bone marrow,
- you have a blood disorder called porphyria,
- you have taken drugs called monoamine oxidase inhibitors (MAOIs
- you are taking herbal preparations containing St. John’s wort (Hypericum perforatum).
Warnings and precautions:
Talk to your doctor or pharmacist before taking Carbamazepine if:
- you have blood problems (including those caused by other medicines)
- you are allergic to phenytoin (a medicine used to treat epilepsy)
- you have the form of epilepsy where you have mixed fits which include absences
- you have ever had any heart, liver or kidney problems
- you are over 65 years of age
- you have an under-active thyroid (hypothyroidism)
- you have any eye problems such as glaucoma (increased pressure in the eye)
- you have difficulty emptying your bladder (urinary retention)
- you have problems with your mental health
- you have thinning of the bones (osteopenia or osteoporosis).
- you are pregnant or plan to become pregnant.
- you are a female of childbearing age
Possible side effects :
These include:
- Leucopenia; dizziness and tiredness; feeling unsteady or finding it difficult to control movements; feeling or being sick; changes in liver enzyme levels; skin reactions which may be severe.
- Changes in the blood including an increased tendency to bruise or bleed; fluid retention and swelling; weight increase; low sodium in the blood which might result in confusion; headache; double or blurred vision; dry mouth.
- Abnormal involuntary movements including tremor or tics.
Other medicines and Carbamazepine:
Tell your doctor if you are taking any of the following medicines:
- Hormone contraceptives, e.g. pills, patches, injections or implants.
- Hormone Replacement Therapy (HRT). Carbamazepine can make HRT less effective.
- Any medicines for depression or anxiety.
- Corticosteroids (‘steroids’). You might be taking these for inflammatory conditions such as
- asthma, inflammatory bowel disease, muscle and joint pains.
- Anticoagulants to stop your blood clotting.
- Antibiotics to treat infections including skin infections and TB (e.g. ciprofloxacillin).
- Antifungals to treat fungal infections.
- Painkillers containing paracetamol, dextropropoxyphene, tramadol, methadone or buprenorphine.
- Other medicines to treat epilepsy.
- Medicines for high blood pressure or heart problems.
- Antihistamines (medicines to treat allergy such as hayfever, itch, etc).
- Diuretics (water tablets).
- Cimetidine or omeprazole (medicines to treat gastric ulcers).
- Isotretinoin (a medicine for the treatment of acne).
- Metoclopramide or aprepitant (anti-sickness medications).
- Acetazolamide (a medicine to treat glaucoma - increased pressure in the eye).
- Danazol or gestrinone (treatments for endometriosis).
- Theophylline or aminophylline (used in the treatment of asthma).
- Ciclosporin, tacrolimus or sirolimus.
- Drugs to treat schizophrenia (e.g. paliperidone, aripiprazole).
- Cancer drugs (e.g. temsirolimus, cyclophasphamide, lapatinib).
- The anti-malarial drug, mefloquine.
- Drugs to treat HIV.
- Levothyroxine (used to treat hypothyroidism).
- Tadalafil (used to treat impotence).
How to take Carbamazepine:
To treat epilepsy the usual doses are:
Adults:
- 800-1,200 mg a day, although higher doses may be necessary.
- If you are elderly you might require a lower dose.
Children:
- Aged 5-10 years: 400-600 mg a day/ Aged 10-15 years: 600-1,000 mg a day.
To treat trigeminal neuralgia the usual dose is:
- 600-800 mg a day. The maximum dose is 1200mg a day.
- If you are elderly you might require a lower dose.
To treat mood swings the usual dose is:
How to store Carbamazepine:
- Keep this medicine out of the sight and reach of children.
- Do not store above 25°C. Store in the original package in order to protect from moisture.
- Do not take Carbamazepine after the expiry date which is printed on the outside of the pack.
* Dosage form and route of administration of Carbamazepine 100 mg/5ml Oral Suspension andCarbamazepine 200mg and 400mg Prolonged Release Tablets should be prescribed according to therapeutic indication and disease severity of each individual patient.