What it's used for
Topiramate is used for the treatment of certain types of seizures in epilepsy as monotherapy or adjunctive therapy, and for the preventive treatment of migraines in patients 12 years of age and older.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
The recommended dose for topiramate monotherapy in adults and pediatric patients 10 years and older is 400 mg per day in two divided doses.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Common side effects
Serious adverse reactions include acute myopia and secondary angle closure glaucoma, visual field defects, metabolic acidosis, suicidal behavior, and cognitive or neuropsychiatric effects.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other everything else medications covered at $0 with an active Tab membership.
Topiramate cost without insurance
Cash prices for Topiramate without insurance vary widely by pharmacy, strength and quantity — the same prescription can cost very different amounts at two pharmacies in the same town. That is the problem a membership solves.
Topiramate is on Tab's covered $0 generic list. With an active Tab membership, every covered strength is $0 — not a percentage off, not a coupon that changes month to month — at participating pharmacies nationwide or through mail order. You do not need insurance, and Tab works whether or not you have a health plan.
Tab is a membership, not insurance. Covered medications require a prescription from a licensed clinician.
Topiramate dosage and administration
Topiramate initial dose, titration, and recommended maintenance dose varies by indication and age group. See Full Prescribing Information for recommended dosage, and dosing considerations in patients with renal impairment, geriatric patients, and patients undergoing hemodialysis (2.1, 2.2, 2.3, 2.4, 2.5, 2.6) 2.1 Dosing in Monotherapy Epilepsy Adults and Pediatric Patients 10 Years of Age and Older The recommended dose for topiramate monotherapy in adults and pediatric patients 10 years of age and older is 400 mg/day in two divided doses.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Your prescribing clinician decides the exact dose, form and schedule for you — this is not medical advice.
Topiramate side effects
The following serious adverse reactions are discussed in more detail in other sections of the labeling: Acute Myopia and Secondary Angle Closure Glaucoma [see Warnings and Precautions (5.1)] Visual Field Defects [see Warnings and Precautions (5.2)] Oligohidrosis and Hyperthermia [see Warnings and Precautions (5.3)] Metabolic Acidosis [see Warnings and Precautions (5.4)] Suicidal Behavior and Ideation [see Warnings and Precautions (5.5)] Cognitive/Neuropsychiatric Adverse Reactions [see Warnings and Precautions (5.6)] Decrease of Bone Mineral Density [see Warnings and Precautions (5.9)] Negative Effects on Growth (Height and Weight) [see Warnings and Precautions (5.10)] Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)/Multiorgan Hypersensitivity Reactions [ see Warnings and Precautions (5.11) ] Serious Skin Reactions [see Warnings and Precautions (5.12)] Anaphylaxis and Angioedema [see Warnings and Precautions (5.13)] Hyperammonemia and Encephalopathy (Without and With Concomitant Valproic Acid [VPA] Use) [see Warnings and Precautions (5.14)] Kidney Stones [see Warnings and Precautions (5.15)] Hypothermia with Concomitant Valproic Acid (VPA) Use [see Warnings and Precautions (5.16)] The data described in the following sections were obtained using topiramate tablets.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. This is not a complete list. Report side effects to your clinician, and seek care for anything severe or unexpected.
Topiramate drug interactions
• Contraceptives: decreased contraceptive efficacy and increased breakthrough bleeding, especially at doses greater than 200 mg/day (7.4) • Monitor lithium levels if lithium is used with high-dose topiramate (7.7) 7.1 Antiepileptic Drugs Concomitant administration of phenytoin or carbamazepine with topiramate resulted in a clinically significant decrease in plasma concentrations of topiramate when compared to topiramate given alone. A dosage adjustment may be needed [see Dosage and Administration (2.1), Clinical Pharmacology (12.3) ]. Concomitant administration of valproic acid and topiramate has been associated with hypothermia and hyperammonemia with and without encephalopathy.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Tell your clinician and pharmacist about every medication, supplement and over-the-counter product you take.
Who should not take topiramate
Topiramate is contraindicated in patients with a history of hypersensitivity reaction to topiramate, topiramate tablet or any of the inactive ingredients of topiramate tablet. Anaphylaxis and angioedema have occurred [see Warnings and Precautions (5.13)] History of hypersensitivity reaction to topiramate, topiramate tablet or any of the inactive ingredients of topiramate tablet (4, 5.13)
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Whether this medication is appropriate for you is a clinical decision made by your prescribing clinician.
Common questions
Is topiramate covered at $0 with Tab?
Yes. Topiramate is on Tab's covered $0 generic list — every covered strength is $0 with an active membership, at participating pharmacies nationwide or by mail order.
Do I need insurance to get topiramate through Tab?
No. Tab is a membership, not insurance. Covered medications are $0 with an active membership whether or not you have a health plan.
How do I get a topiramate prescription with Tab?
Book a video visit with a licensed Tab clinician (unlimited visits are included with membership). If it's clinically appropriate, they send the prescription to your chosen participating pharmacy or by mail order.
How much does topiramate cost without insurance?
Without insurance, retail cash prices for topiramate vary by pharmacy, strength and quantity. Topiramate is on Tab's covered $0 generic list, so every covered strength is $0 with an active Tab membership at participating pharmacies nationwide or by mail order.
What is the cheapest way to get topiramate?
For medications on Tab's covered list, a Tab membership is the cheapest route: covered strengths of topiramate are $0 with an active membership, and unlimited video visits with a licensed clinician are included, so the visit that produces the prescription is covered too.
What is the usual dose of topiramate?
Topiramate initial dose, titration, and recommended maintenance dose varies by indication and age group. (FDA-approved label, retrieved 2026-09-15. Your clinician sets your dose.)
What are the side effects of topiramate?
The following serious adverse reactions are discussed in more detail in other sections of the labeling: Acute Myopia and Secondary Angle Closure Glaucoma [see Warnings and Precautions (5.1)] Visual Field Defects [see Warnings and Precautions (5.2)] Oligohidrosis and Hyperthermia [see Warnings and Precautions (5.3)] Metabolic Acidosis [see Warnings and Precautions (5.4)] Suicidal Behavior and Ideation [see Warnings and Precautions (5.5)] Cognitive/Neuropsychiatric Adverse Reactions [see Warnings and Precautions (5.6)] Decrease of Bone Mineral Density [see Warnings and Precautions (5.9)] Negative Effects on Growth (Height and Weight) [see Warnings and Precautions (5.10)] Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)/Multiorgan Hypersensitivity Reactions [ see Warnings and Precautions (5.11) ] Serious Skin Reactions [see Warnings and Precautions (5.12)] Anaphylaxis and Angioedema [see Warnings and Precautions (5.13)] Hyperammonemia and Encephalopathy (Without and With Concomitant Valproic Acid [VPA] Use) [see Warnings and Precautions (5.14)] Kidney Stones [see Warnings and Precautions (5.15)] Hypothermia with Concomitant Valproic Acid (VPA) Use [see Warnings and Precautions (5.16)] The data described in the following sections were obtained using topiramate tablets. (FDA-approved label, retrieved 2026-09-15.)
What interacts with topiramate?
• Contraceptives: decreased contraceptive efficacy and increased breakthrough bleeding, especially at doses greater than 200 mg/day (7.4) • Monitor lithium levels if lithium is used with high-dose topiramate (7.7) 7.1 Antiepileptic Drugs Concomitant administration of phenytoin or carbamazepine with topiramate resulted in a clinically significant decrease in plasma concentrations of topiramate when compared to topiramate given alone. (FDA-approved label, retrieved 2026-09-15. Tell your clinician about every medication and supplement you take.)
Topiramate is $0 on the covered list
Members pay $0 for covered generics at participating pharmacies nationwide or by mail order — plus unlimited virtual primary care, urgent care and dermatology visits. No insurance needed.
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