How does carbamazepine work?
Carbamazepine reduces abnormal electrical activity in the brain, helping to prevent seizures and control nerve pain.
What is carbamazepine used to treat?
Carbamazepine is commonly prescribed for:
- Epilepsy (to control seizures)
- Trigeminal neuralgia (a condition that causes severe facial nerve pain)
- Bipolar disorder (to help stabilise mood in some cases)
Who can take carbamazepine?
Carbamazepine is suitable for most adults and children, depending on the condition being treated.
Who might not be able to take carbamazepine?
Carbamazepine may not be suitable if you:
- Have a history of bone marrow disorders
- Have liver disease
- Have a history of severe allergic reactions to similar medications
- Are taking certain antidepressants or blood thinners
Can I take carbamazepine if I’m pregnant or breastfeeding?
Carbamazepine isn’t usually recommended during pregnancy, as it may increase the risk of birth defects. Speak to your doctor if you are pregnant or planning to conceive.
What if I miss a dose?
If you forget a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed one—do not take two doses at once.
How effective is carbamazepine?
Carbamazepine is highly effective at controlling seizures, managing nerve pain, and stabilising mood in bipolar disorder when taken as prescribed.
What should I do if I take too much?
Taking too much carbamazepine can cause dizziness, confusion, nausea, rapid heartbeat, or seizures. If you think you’ve taken too much, seek emergency medical help immediately.
What dose of carbamazepine is usually taken?
- For epilepsy: 100mg to 200mg twice daily, increasing as needed
- For trigeminal neuralgia: 100mg to 200mg once or twice daily, increasing gradually
- For bipolar disorder: 400mg to 600mg daily, as prescribed
Your doctor will determine the correct dose based on your condition.
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What are the side effects of carbamazepine?
Common side effects include:
- Drowsiness or dizziness
- Nausea or vomiting
- Dry mouth
- Skin rash
Serious side effects, such as severe allergic reactions, liver problems, or blood disorders, require urgent medical attention.
How should I take carbamazepine?
Carbamazepine is taken as tablets, liquid, or modified-release tablets, usually twice daily.
When should carbamazepine be taken?
Carbamazepine should be taken at the same time each day, with or after food to reduce stomach upset.
What are the brand names for carbamazepine?
Carbamazepine is available as a generic medicine, but some branded versions include:
- Tegretol
- Carbatrol
Final thoughts
Carbamazepine is an effective treatment for epilepsy, nerve pain, and bipolar disorder, but it should be taken exactly as prescribed to avoid side effects. Regular blood tests may be needed to monitor its effects. If side effects occur, speak to your doctor or pharmacist.
