24 HR lamotrigine 50 MG Extended Release Oral Tablet — RxCUI 850091
RxNorm drug concept · Semantic clinical drug
RxCUI 850091
Semantic clinical drug · SCD
● Current RxNorm concept 74 FDA products
140 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
RxCUI850091
Official name24 HR lamotrigine 50 MG Extended Release Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known aslamoTRIgine 50 MG 24HR Extended Release Oral Tablet
FDA products mapped74
Package NDCs mapped140
Reported Medicaid activity (SDUD)301,688 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.
🕸️ Concept Web — How 24 HR lamotrigine 50 MG Extended Release Oral Ta... 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
24 HR lamotrigine 50 MG Extended Release Oral Tablet
RxCUI 850091 Semantic clinical drug · SCD
Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.
-
Ingredients 1
The active substance itself — no strength, form, or brand attached yet.
-
Lamotrigine
28439IN
-
Lamotrigine
-
Brand names 1
The same medicine's trade names. A brand name alone says nothing about strength or form.
-
Lamictal
196502BN
-
Lamictal
-
Dose forms 9
The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
-
Lamotrigine Extended Release Oral Tablet
850075SCDF -
Lamotrigine Oral Product
1162535SCDG -
Lamotrigine Pill
1162536SCDG -
Lamotrigine Extended Release Oral Tablet [Lamictal]
900144SBDF -
Lamictal Oral Product
1174986SBDG -
Lamictal Pill
1174987SBDG -
Extended Release Oral Tablet
316945DF -
Oral Product
1151131DFG - +1 more in this family
-
Lamotrigine Extended Release Oral Tablet
-
Clinical & branded drugs 3
Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
-
Lamotrigine 50 MG
335127SCDC -
24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]
900169SBD -
Lamotrigine 50 MG [Lamictal]
563871SBDC
-
Lamotrigine 50 MG
-
Packs 6
Fixed collections of drugs packaged and sold together, like dose packs.
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{14 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 7 (24 HR lamotrigine 200 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Green Patient Titration Kit (for Patients Taking Carbamazepine, Phenytoin, Phenobarbital, or Primidone, and Not Taking Valproate)]
900866BPCK -
{21 (24 HR lamotrigine 25 MG Extended Release Oral Tablet [Lamictal]) / 7 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Blue Patient Titration Kit (for Patients Taking Valproate)]
900984BPCK -
{7 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 25 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Orange Patient Titration Kit (for Patients Not Taking Carbamazepine, Phenytoin, Phenobarbital, Primidone, or Valproate)]
900891BPCK -
{14 (24 HR lamotrigine 100 MG Extended Release Oral Tablet) / 7 (24 HR lamotrigine 200 MG Extended Release Oral Tablet) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet) } Pack
900865GPCK -
{21 (24 HR lamotrigine 25 MG Extended Release Oral Tablet) / 7 (24 HR lamotrigine 50 MG Extended Release Oral Tablet) } Pack
900983GPCK -
{7 (24 HR lamotrigine 100 MG Extended Release Oral Tablet) / 14 (24 HR lamotrigine 25 MG Extended Release Oral Tablet) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet) } Pack
900890GPCK
-
{14 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 7 (24 HR lamotrigine 200 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Green Patient Titration Kit (for Patients Taking Carbamazepine, Phenytoin, Phenobarbital, or Primidone, and Not Taking Valproate)]
Showing up to 8 concepts per family — 19 of 20 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
-
{14 (24 HR lamotrigine 100 MG Extended Release Oral Tablet) / 7 (24 HR lamotrigine 200 MG Extended Release Oral Tablet) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet) } Pack
GPCK · 900865 -
{21 (24 HR lamotrigine 25 MG Extended Release Oral Tablet) / 7 (24 HR lamotrigine 50 MG Extended Release Oral Tablet) } Pack
GPCK · 900983 -
{7 (24 HR lamotrigine 100 MG Extended Release Oral Tablet) / 14 (24 HR lamotrigine 25 MG Extended Release Oral Tablet) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet) } Pack
GPCK · 900890 -
Lamotrigine 50 MG
SCDC · 335127 -
Lamotrigine Extended Release Oral Tablet
SCDF · 850075 -
Lamotrigine Oral Product
SCDG · 1162535 -
Lamotrigine Pill
SCDG · 1162536
Brand-Name Concepts
-
24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]
SBD · 900169 -
{14 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 7 (24 HR lamotrigine 200 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Green Patient Titration Kit (for Patients Taking Carbamazepine, Phenytoin, Phenobarbital, or Primidone, and Not Taking Valproate)]
BPCK · 900866 -
{21 (24 HR lamotrigine 25 MG Extended Release Oral Tablet [Lamictal]) / 7 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Blue Patient Titration Kit (for Patients Taking Valproate)]
BPCK · 900984 -
{7 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 25 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Orange Patient Titration Kit (for Patients Not Taking Carbamazepine, Phenytoin, Phenobarbital, Primidone, or Valproate)]
BPCK · 900891 -
Lamotrigine 50 MG [Lamictal]
SBDC · 563871 -
Lamotrigine Extended Release Oral Tablet [Lamictal]
SBDF · 900144 -
Lamictal Oral Product
SBDG · 1174986 -
Lamictal Pill
SBDG · 1174987 -
Lamictal
BN · 196502
📦 FDA Products & Package NDCs
74 products · 140 package NDCs
140 package NDCs map to RxCUI 850091 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 |
|---|---|---|---|---|
| 00173-0754-00 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0173-0... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0755-00 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0173-0... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0756-00 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0173-0... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0757-00 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0173-0... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0758-00 | 1 BLISTER PACK in 1 PACKAGE, COMBINATION (0173-0758-00) / 1... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0759-00 | 1 BLISTER PACK in 1 PACKAGE, COMBINATION (0173-0759-00) / 1... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0760-00 | 1 BLISTER PACK in 1 PACKAGE, COMBINATION (0173-0760-00) / 1... | LAMICTAL XR | GlaxoSmithKline LLC | 2009-07-06 |
| 00173-0761-00 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0173-0... | LAMICTAL XR | GlaxoSmithKline LLC | 2011-03-31 |
| 00173-0781-00 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0173-0... | LAMICTAL XR | GlaxoSmithKline LLC | 2011-08-15 |
| 00228-1410-03 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0228-1... | Lamotrigine | Actavis Pharma, Inc. | 2016-04-01 |
| 00228-1422-03 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0228-1... | Lamotrigine | Actavis Pharma, Inc. | 2016-04-01 |
| 00228-1435-03 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0228-1... | Lamotrigine | Actavis Pharma, Inc. | 2016-04-01 |
| 00228-1453-03 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0228-1... | Lamotrigine | Actavis Pharma, Inc. | 2016-04-01 |
| 00228-1580-03 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0228-1... | Lamotrigine | Actavis Pharma, Inc. | 2016-04-01 |
| 00228-1638-03 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0228-1... | Lamotrigine | Actavis Pharma, Inc. | 2016-06-01 |
| 13668-0339-01 | 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-339-01) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0339-05 | 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-339-05) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0339-30 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-339-30) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0340-01 | 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-340-01) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0340-05 | 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-340-05) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0340-30 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-340-30) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0341-01 | 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-341-01) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0341-05 | 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-341-05) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 13668-0341-30 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-341-30) | Lamotrigine | Torrent Pharmaceuticals Limited | 2013-12-23 |
| 16714-0623-01 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-623-01) | Lamotrigine | NorthStar Rx LLC | 2017-06-20 |
| 16714-0624-01 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-624-01) | Lamotrigine | NorthStar Rx LLC | 2017-06-20 |
| 16714-0625-01 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-625-01) | Lamotrigine | NorthStar Rx LLC | 2017-06-20 |
| 16714-0626-01 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-626-01) | Lamotrigine | NorthStar Rx LLC | 2017-06-20 |
| 16714-0627-01 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-627-01) | Lamotrigine | NorthStar Rx LLC | 2017-06-20 |
| 16714-0893-01 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-893-01) | Lamotrigine | NorthStar Rx LLC | 2018-11-20 |
| 31722-0240-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (31722-... | lamotrigine | Camber Pharmaceuticals Inc | 2021-12-09 |
| 31722-0241-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (31722-... | lamotrigine | Camber Pharmaceuticals Inc | 2021-12-09 |
| 31722-0242-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (31722-... | lamotrigine | Camber Pharmaceuticals Inc | 2021-12-09 |
| 31722-0243-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (31722-... | lamotrigine | Camber Pharmaceuticals Inc | 2021-12-09 |
| 31722-0244-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (31722-... | lamotrigine | Camber Pharmaceuticals Inc | 2021-12-09 |
| 31722-0245-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (31722-... | lamotrigine | Camber Pharmaceuticals Inc | 2021-12-09 |
| 42291-0443-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42291-... | Lamotrigine | AvKARE | 2020-05-22 |
| 42291-0444-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42291-... | Lamotrigine | AvKARE | 2020-05-22 |
| 42291-0445-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42291-... | Lamotrigine | AvKARE | 2020-05-22 |
| 42291-0446-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42291-... | Lamotrigine | AvKARE | 2020-05-22 |
| 42291-0447-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42291-... | Lamotrigine | AvKARE | 2020-05-22 |
| 42291-0448-30 | 30 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (42291-... | Lamotrigine | AvKARE | 2020-05-22 |
| 49884-0561-11 | 30 TABLET in 1 BOTTLE (49884-561-11) | Lamotrigine Extended Release | Par Health USA, LLC | 2013-01-18 |
| 49884-0604-11 | 30 TABLET in 1 BOTTLE (49884-604-11) | Lamotrigine Extended Release | Par Health USA, LLC | 2013-01-18 |
| 49884-0605-11 | 30 TABLET in 1 BOTTLE (49884-605-11) | Lamotrigine Extended Release | Par Health USA, LLC | 2013-01-18 |
| 55111-0419-05 | 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (55111-419-05) | Lamotrigine | Dr.Reddy's Laboratories Limited | 2018-09-06 |
| 55111-0419-30 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (55111-419-30) | Lamotrigine | Dr.Reddy's Laboratories Limited | 2018-09-06 |
| 55111-0419-90 | 90 TABLET, EXTENDED RELEASE in 1 BOTTLE (55111-419-90) | Lamotrigine | Dr.Reddy's Laboratories Limited | 2018-09-06 |
| 55111-0428-05 | 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (55111-428-05) | Lamotrigine | Dr.Reddy's Laboratories Limited | 2013-06-20 |
| 55111-0428-30 | 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (55111-428-30) | Lamotrigine | Dr.Reddy's Laboratories Limited | 2013-06-20 |
Observed labelers:
Zydus Lifesciences Limited (24) ·
Yiling Pharmaceutical, Inc. (18) ·
Zydus Pharmaceuticals USA Inc. (18) ·
Dr.Reddy's Laboratories Limited (14) ·
Amneal Pharmaceuticals LLC (12) ·
GlaxoSmithKline LLC (9)
· +8 more — 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.
Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.