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Lamotrigine 50 MG Oral Tablet — RxCUI 199322

RxNorm drug concept · Semantic clinical drug
RxCUI 199322 Semantic clinical drug · SCD ● Current RxNorm concept 16 FDA products 56 package NDCs Snapshot Jul 14, 2026

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI199322
Official nameLamotrigine 50 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped16
Package NDCs mapped56
Reported Medicaid activity (SDUD)692,680 prescriptions · 52 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Lamotrigine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It treats epilepsy, helping control certain seizure types. Some forms, like tablets, chewables and orally disintegrating tablets, are also used to delay mood episodes in bipolar I...
  • Lamotrigine can cause serious, even life-threatening skin reactions, mostly in the first 2 to 8 weeks. We can't tell which rashes are dangerous, so call your doctor right away abou...
  • Take it by mouth exactly as prescribed, increasing slowly as planned. Skipping ahead raises rash risk. Extended-release tablets are once daily and must be swallowed whole. Food doe...
  • Please don't stop on your own. Stopping suddenly can trigger withdrawal seizures. Your doctor will taper you off over at least 2 weeks.
📖 Read our full Lamotrigine guide →

🕸️ Concept Web — How Lamotrigine 50 MG Oral Tablet Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Lamotrigine 50 MG Oral Tablet RxCUI 199322

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Lamotrigine 28439
  2. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Lamotrigine Oral Tablet 372567
    • Lamotrigine Oral Product 1162535
    • Lamotrigine Pill 1162536
    • Oral Tablet 317541
    • Oral Product 1151131
    • Pill 1151133
  3. Clinical & branded drugs 1

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

    • Lamotrigine 50 MG 335127

Showing up to 8 concepts per family — 8 of 8 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Lamotrigine 50 MG SCDC · 335127
  • Lamotrigine Oral Tablet SCDF · 372567
  • Lamotrigine Oral Product SCDG · 1162535
  • Lamotrigine Pill SCDG · 1162536

📦 FDA Products & Package NDCs

16 products · 56 package NDCs
56 package NDCs map to RxCUI 199322 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
65841-0682-01 100 TABLET in 1 BOTTLE (65841-682-01) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0682-05 500 TABLET in 1 BOTTLE (65841-682-05) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0682-10 1000 TABLET in 1 BOTTLE (65841-682-10) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0682-11 25 TABLET in 1 BOTTLE (65841-682-11) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0682-16 90 TABLET in 1 BOTTLE (65841-682-16) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0683-01 100 TABLET in 1 BOTTLE (65841-683-01) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0683-05 500 TABLET in 1 BOTTLE (65841-683-05) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0683-10 1000 TABLET in 1 BOTTLE (65841-683-10) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0683-16 90 TABLET in 1 BOTTLE (65841-683-16) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0684-01 100 TABLET in 1 BOTTLE (65841-684-01) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0684-05 500 TABLET in 1 BOTTLE (65841-684-05) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0684-10 1000 TABLET in 1 BOTTLE (65841-684-10) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0684-16 90 TABLET in 1 BOTTLE (65841-684-16) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0685-05 500 TABLET in 1 BOTTLE (65841-685-05) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0685-14 60 TABLET in 1 BOTTLE (65841-685-14) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0685-16 90 TABLET in 1 BOTTLE (65841-685-16) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0686-05 500 TABLET in 1 BOTTLE (65841-686-05) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0686-14 60 TABLET in 1 BOTTLE (65841-686-14) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0686-16 90 TABLET in 1 BOTTLE (65841-686-16) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0687-05 500 TABLET in 1 BOTTLE (65841-687-05) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0687-14 60 TABLET in 1 BOTTLE (65841-687-14) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0687-16 90 TABLET in 1 BOTTLE (65841-687-16) Lamotrigine Zydus Lifesciences Limited 2009-01-27
65841-0689-01 100 TABLET, CHEWABLE in 1 BOTTLE (65841-689-01) Lamotrigine Zydus Lifesciences Limited 2009-01-23
65841-0689-05 500 TABLET, CHEWABLE in 1 BOTTLE (65841-689-05) Lamotrigine Zydus Lifesciences Limited 2009-01-23
65841-0689-16 90 TABLET, CHEWABLE in 1 BOTTLE (65841-689-16) Lamotrigine Zydus Lifesciences Limited 2009-01-23
65841-0690-01 100 TABLET, CHEWABLE in 1 BOTTLE (65841-690-01) Lamotrigine Zydus Lifesciences Limited 2009-01-23
65841-0690-05 500 TABLET, CHEWABLE in 1 BOTTLE (65841-690-05) Lamotrigine Zydus Lifesciences Limited 2009-01-23
65841-0690-16 90 TABLET, CHEWABLE in 1 BOTTLE (65841-690-16) Lamotrigine Zydus Lifesciences Limited 2009-01-23
68382-0006-01 100 TABLET in 1 BOTTLE (68382-006-01) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0006-05 500 TABLET in 1 BOTTLE (68382-006-05) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0006-10 1000 TABLET in 1 BOTTLE (68382-006-10) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0006-11 25 TABLET in 1 BOTTLE (68382-006-11) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0006-16 90 TABLET in 1 BOTTLE (68382-006-16) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0007-01 100 TABLET in 1 BOTTLE (68382-007-01) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0007-05 500 TABLET in 1 BOTTLE (68382-007-05) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0007-10 1000 TABLET in 1 BOTTLE (68382-007-10) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0007-16 90 TABLET in 1 BOTTLE (68382-007-16) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0008-01 100 TABLET in 1 BOTTLE (68382-008-01) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0008-05 500 TABLET in 1 BOTTLE (68382-008-05) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0008-10 1000 TABLET in 1 BOTTLE (68382-008-10) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0008-16 90 TABLET in 1 BOTTLE (68382-008-16) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0009-05 500 TABLET in 1 BOTTLE (68382-009-05) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0009-14 60 TABLET in 1 BOTTLE (68382-009-14) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0009-16 90 TABLET in 1 BOTTLE (68382-009-16) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0010-05 500 TABLET in 1 BOTTLE (68382-010-05) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0010-14 60 TABLET in 1 BOTTLE (68382-010-14) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0010-16 90 TABLET in 1 BOTTLE (68382-010-16) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0011-05 500 TABLET in 1 BOTTLE (68382-011-05) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0011-14 60 TABLET in 1 BOTTLE (68382-011-14) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
68382-0011-16 90 TABLET in 1 BOTTLE (68382-011-16) Lamotrigine Zydus Pharmaceuticals USA Inc. 2009-01-27
Observed labelers: Zydus Lifesciences Limited (28) · Zydus Pharmaceuticals USA Inc. (28) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.