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Ontario coverage, price, criteria word for word, Health Canada status and shortages for one product

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TOPIRAMATE

All products: Limited Use (codes 321)

Other products in the same Health Canada class (N03AX) — coverage varies; not interchangeable

  • Lamotrigine (Lamictal): general benefit
  • Brivaracetam (Brivlera): limited Use 548
  • Cenobamate (Xcopri): limited Use 719
  • Lacosamide (Vimpat): limited Use 430
  • Levetiracetam (PDP-Levetiracetam): limited Use 473, Limited Use 640, 705
  • Perampanel (Fycompa): limited Use 430, 564

14 more in the class list below

Topamax Sprinkle · DIN 02239908 · 25mg · Sprinkle capsule

Limited Use — Reason for Use code 321 requiredMarketed · checked 2026-09-02
StatusLimited Use — Reason for Use code 321 required
Write on scriptLU code 321 (patient must meet the criteria below)
Patient paysPatient pays: program not supplied; amount cannot be determined.
Private plan unknown: ask. If yes, check its coverage and payer coordination; if no, see the public routes below.
Ontario Limited Use criteria — code 321
Reason for Use code 321 In children age 16 and under, as adjunctive therapy in the treatment of seizure disorders where control by other listed anticonvulsants has been unsatisfactory. Coverage limit: LU Authorization Period: Indefinite
No interchangeable product listed in the Ontario extract
Topamax Sprinkle · DIN 02239908 Manufacturer: Janssen-Ortho Inc.; listing date 2000-11-30 Health Canada: Marketed since 1999-06-11 · brand TOPAMAX · ATC N03AX11 TOPIRAMATE · form Capsule · route Oral · ingredients TOPIRAMATE 25 MG · company Janssen inc · schedule Prescription
Check this DIN again · Health Canada product record

Topamax Sprinkle: Formulary list price $2.3445/unit (unit not stated in source; not the patient's cost)

Ministry pays: $2.3445 per source unit.

Source explanation: The formulary price is what ODB pays; the cash price at the counter is set by the pharmacy.

Formulary data: Ontario extract of Aug 26, 2026 · Health Canada DPD extract of Sep 2, 2026 (Open Government Licence – Canada) · https://health-products.canada.ca/dpd-bdpp/info?lang=eng&code=63400 · Verify on the e-Formulary ↗ (DIN 02239908)

Source record
DIN 02239908: Topamax Sprinkle Raw flags: sec12=Y, sec3=Y Item: 281200080; group id 445; item number 1114; lccId 00074; manufacturer id JNO Source form: Sprinkle Cap; strength: 25mg Recorded listing: Limited Use: paid only with a Reason for Use code and the criteria below Source prices (unrounded): $2.3445; ministry $2.3445 Source: ODB odb-formulary-ed43-extract-2026-08-26.xml extract_date=2026-08-26 DIN=02239908 Health Canada DPD extract of Sep 2, 2026 (Open Government Licence – Canada) · https://health-products.canada.ca/dpd-bdpp/info?lang=eng&code=63400
Shortage status: no shortage or discontinuation reported (checked 2026-09-13T08:10:21.292534+00:00); reports as of 2026-09-13T08:10:21.292534+00:00 (Health Product Shortages Canada) Source: https://healthproductshortages.ca/search?term=02239908
Shortage record checked 2026-09-13T08:10:21.292534+00:00
Other drugs in the same formulary class (28:12 Anticonvulsants) and how they are covered

Matched class: 28:12 Anticonvulsants

Drug-class inventory only. Lists recorded Ontario formulary products, not every Canadian medication; does not recommend treatment. Covered without a code on the Ontario formulary: CLONAZEPAM, DIVALPROEX SODIUM, ETHOSUXIMIDE, LAMOTRIGINE, VALPROATE SODIUM Some products covered without a code (check the product listing): CARBAMAZEPINE, GABAPENTIN, PHENYTOIN (DIPHENYLHYDANTOIN), PHENYTOIN (DIPHENYLHYDANTOIN) SODIUM, PREGABALIN, PRIMIDONE, VALPROIC ACID 28:12 Anticonvulsants

LAMOTRIGINE

· 28 products · General benefit · strengths: 25mg, 100mg, 150mg · Tab

BRIVARACETAM

· 12 products · Limited Use, codes 548 · strengths: 10mg, 25mg, 50mg, 75mg, 100mg · Tab

CENOBAMATE

· 9 products · Limited Use, codes 719 · strengths: 12.5mg, 25mg, 50mg, 100mg, 150mg, 200mg, 12.5mg & 25mg, 50mg & 100mg, 150mg & 200mg · Tab, Tab - (Starter Kit)

LACOSAMIDE

· 44 products · Limited Use, codes 430 · strengths: 50mg, 100mg, 150mg, 200mg · Tab

LEVETIRACETAM

· 49 products · Limited Use, codes 640, 705 (3), Limited Use, codes 473 (46) · strengths: 100mg/mL, 250mg, 500mg, 750mg, 1000mg · Oral Sol, Tab

PERAMPANEL

· 12 products · Limited Use, codes 430, 564 · strengths: 2mg, 4mg, 6mg, 8mg, 10mg, 12mg · Tab

CARBAMAZEPINE

· 15 products · Listed, not a benefit (3), General benefit (6), Temporary benefit (2), Limited Use, codes 67 (4) · strengths: 100mg, 200mg, 400mg, 100mg/5mL · Chew Tab, ER Tab, LA Tab, Oral Susp, Tab

CLONAZEPAM

· 9 products · General benefit · strengths: 0.5mg, 2mg · Tab

DIVALPROEX SODIUM

· 9 products · General benefit · strengths: 125mg, 250mg, 500mg · Ent Tab

ETHOSUXIMIDE

· 4 products · General benefit · strengths: 250mg, 50mg/mL · Cap, O/L

PHENYTOIN (DIPHENYLHYDANTOIN)

· 4 products · General benefit; DIN status E (meaning unconfirmed); confirm discontinuation/availability with Health Canada (2), General benefit (2) · strengths: 6mg/mL, 25mg/mL, 50mg · O/L, Tab

PHENYTOIN (DIPHENYLHYDANTOIN) SODIUM

· 4 products · General benefit (3), Limited Use, codes 481, 657 (1) · strengths: 30mg, 100mg, 50mg/mL · Cap, Inj Sol (Preservative Free) Source: formulary-ed43-front-matter.txt Part V; ODB odb-formulary-ed43-extract-2026-08-26.xml extract_date=2026-08-26; class 28:12 and 11 more
Full class listing Related classes: 28:08 Analgesics, 28:10 Opiate Antagonists, 28:16 Psychotherapeutic Agents, 28:20 C.N.S. Stimulants, 28:24 Sedatives and Hypnotics, 28:36 Antiparkinsonian Agents, 28:92 Miscellaneous Central Nervous System Drugs Same formulary class, not same indication: class membership alone does not establish equivalent uses.
What the Health Canada label says it is for
1. Indications Epilepsy TOPAMAX® (topiramate) is indicated: • as monotherapy for the management of patients (adults and children six years and older) with newly diagnosed epilepsy. • as adjunctive therapy for the management of patients (adults and children two years and older) with epilepsy who are not satisfactorily controlled with conventional therapy. Migraine Prophylaxis Topamax is indicated in adults for the prophylaxis of migraine headache. Prophylactic treatment of migraine may be considered in situations such as: adults experiencing four or more migraine attacks per month who fail to respond adequately to acute abortive therapy; recurring attacks that significantly interfere with the patient’s daily routine; a pattern of increasing migraine attacks over time, with the risk of developing rebound headache from acute abortive therapies; or failure of, or contraindication to, or troublesome side effects from acute abortive medications. Continuing therapy should be reviewed every six months. Topamax should not be used in the acute treatment of migraine attacks. Safety and efficacy of topiramate in the management or prevention of cluster headache… https://pdf.hres.ca/dpd_pm/00081153.PDF PM date: 2025-07-23 Source product: TOPAMAX; DIN 02239907; fetched 2026-09-10 Product monograph posted by Health Canada; excerpt for lookup only.