Carbamazepine Er
carBAMazepine ER 200MG
What is Carbamazepine Er?
Tegretol-XR is used to help treat seizures. Carbamazepine is the generic version of Tegretol-XR. You can use our Singlecare savings offer to get an average Tegretol-XR discount of up to 80% off of the retail price at participating pharmacies near you.Side Effects
- Thoughts of hurting yourself or others, unusual thoughts or behavior
- Fever, chills, cough, sore throat, or sores in your mouth
- Confusion, memory problems, unusual tiredness, muscle spasms or weakness
Warnings
- It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.
- Tell your doctor if you are breastfeeding, or if you have kidney disease, liver disease, heart disease, glaucoma, heart rhythm problems, porphyria, an intolerance to fructose, increased pressure in the eye, or a history of bone marrow depression, suicidal thoughts, or depression. Tell your doctor if you had an allergic reaction to any other medicine (especially seizure medicines).
- Tell your doctor if you have Asian ancestry. Your doctor may test you for serious skin reactions before giving this medicine.
- This medicine may cause the following problems:Serious skin reactions, including Stevens-Johnson syndrome and toxic epidermal necrolysisAplastic anemia or other blood problemsDrug reaction with eosinophilia and systemic symptoms (DRESS), which may involve multiple organs, including your liver or kidneysChanges in mood or behavior, including thoughts of suicideHeart rhythm problemsLiver problems
- This medicine may make you bleed, bruise, or get infections more easily. Take precautions to prevent illness and injury. Wash your hands often.
Prescription savings · · · ·
What is Carbamazepine Er ?
Tegretol-XR is used to help treat seizures. Carbamazepine is the generic version of Tegretol-XR. You can use our Singlecare savings offer to get an average Tegretol-XR discount of up to 80% off of the retail price at participating pharmacies near you.- Thoughts of hurting yourself or others, unusual thoughts or behavior
- Fever, chills, cough, sore throat, or sores in your mouth
- Confusion, memory problems, unusual tiredness, muscle spasms or weakness
- Unusual bleeding, bruising, or weakness
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Blistering, peeling, red skin rash
- Blurred vision, changes in vision
- Change in how much or how often you urinate
- Chest pain, trouble breathing, cold sweats, bluish skin
- Fast, slow, pounding, or uneven heartbeat
- Swollen, painful, or tender lymph glands in your neck, armpit, or groin
- Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
- Lightheadedness or fainting
- It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.
- Tell your doctor if you are breastfeeding, or if you have kidney disease, liver disease, heart disease, glaucoma, heart rhythm problems, porphyria, an intolerance to fructose, increased pressure in the eye, or a history of bone marrow depression, suicidal thoughts, or depression. Tell your doctor if you had an allergic reaction to any other medicine (especially seizure medicines).
- Tell your doctor if you have Asian ancestry. Your doctor may test you for serious skin reactions before giving this medicine.
- This medicine may cause the following problems:Serious skin reactions, including Stevens-Johnson syndrome and toxic epidermal necrolysisAplastic anemia or other blood problemsDrug reaction with eosinophilia and systemic symptoms (DRESS), which may involve multiple organs, including your liver or kidneysChanges in mood or behavior, including thoughts of suicideHeart rhythm problemsLiver problems
- This medicine may make you bleed, bruise, or get infections more easily. Take precautions to prevent illness and injury. Wash your hands often.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely. Your seizures may return or occur more often if you stop this medicine suddenly.
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
- Some men using this medicine have become infertile (unable to have children). If you plan to have children, talk with your doctor before using this medicine.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
- Unusual bleeding, bruising, or weakness
Carbamazepine Er Coupons & Prices
carBAMazepine ER 200MG
4 ED medications in one dose
Sildenafil, tadalafil, vardenafil & apomorphine · Works in ~15 min · Lasts up to 36 hours
Looking for a carbamazepine ER coupon? Carbamazepine extended-release is a widely used generic anticonvulsant, and the generic already costs far less than the brand versions (Tegretol-XR, Carbatrol, Equetro). But the cash price for the same tablet can vary a lot from one pharmacy to the next, so comparing before you fill is what saves you money. Enter your ZIP above to see today's carbamazepine ER price and a free Rx.com discount coupon accepted at more than 60,000 pharmacies nationwide.
What is carbamazepine ER and how does it work?
Carbamazepine is an anticonvulsant (antiepileptic) medicine in the iminostilbene class. It works as a sodium channel blocker, calming the overactive electrical signaling in nerve cells that drives seizures and certain kinds of nerve pain. The extended-release (ER) form releases the drug slowly over time, which can help keep blood levels steadier and allow less frequent dosing than immediate-release tablets.
Carbamazepine ER is FDA-approved to treat epilepsy, including partial (focal) seizures with complex symptoms, generalized tonic-clonic seizures, and mixed seizure patterns, as well as the pain of trigeminal neuralgia. The Equetro brand of extended-release carbamazepine is also approved for acute manic and mixed episodes of bipolar I disorder. Your prescriber decides whether the ER form and dose are right for your condition.
Carbamazepine ER cost and how to save without insurance
Carbamazepine ER is available as an FDA-approved generic, which is typically much cheaper than the brand names Tegretol-XR, Carbatrol, and Equetro. Even so, there is no single set price. Because pharmacies set their own cash prices, what you pay for the exact same generic tablet can differ widely across town, which is exactly why comparing pharmacies matters.
Rx.com compares prices across more than 60,000 pharmacies and gives you a free discount coupon you can use whether or not you have insurance. If you are paying cash, or your plan does not cover the ER form well, the coupon price may beat your copay, so it is worth checking both. Enter your ZIP above to see today's price near you.
Related and alternative seizure and nerve-pain medicines
Carbamazepine ER is one of several options for seizures and neuropathic pain, and the right choice depends on your diagnosis, other medicines, and how you tolerate treatment. Only your prescriber can decide whether a switch makes sense. Related medicines you can compare prices on include:
- carbamazepine (immediate-release form of the same drug)
- oxcarbazepine, a closely related anticonvulsant
- lamotrigine
- gabapentin
- valproic acid
- phenytoin
If you were prescribed a specific brand of extended-release carbamazepine, the generic is generally substitutable for the same formulation, but confirm with your pharmacist before switching between products.
Important safety information
Carbamazepine carries an FDA boxed warning for two serious risks: (1) severe skin reactions, including Stevens-Johnson syndrome and toxic epidermal necrolysis, which are strongly linked to the HLA-B*1502 gene variant. People of Asian ancestry are more likely to carry this variant and should be genetically screened before starting; and (2) aplastic anemia and agranulocytosis, which are serious blood problems. Because of the blood risks, your provider will order periodic blood counts (CBC) and check your carbamazepine drug level.
Other important risks include DRESS/multiorgan hypersensitivity reactions (linked to the HLA-A*3101 variant), low blood sodium (hyponatremia/SIADH), and, as with all antiseizure medicines, a small increased risk of suicidal thoughts. Carbamazepine can cause birth defects such as neural tube defects, so it needs careful management in pregnancy. It is also a strong CYP3A4 inducer and even lowers its own levels over time (autoinduction), so it interacts with many drugs, including hormonal birth control. This is not medical advice. Tell your provider about all your medicines and any rash, fever, unusual bleeding, or bruising, and do not stop carbamazepine suddenly without guidance.
This Carbamazepine Er information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Carbamazepine Er on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.