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Drug class profile · refreshed daily from federal data

Muscle Relaxant

6 molecules in this class, $114.3M combined CY2024 Part D spend across 5.9M claims. Class-level guide below for benefits decision-makers: where the money lives, where the savings live.

Last updated
NADAC: weekly (every Wed)Part D Formulary: quarterlyPart D Spend: annualOrange Book: weeklyShortages: daily

Class summary at a glance.

Every drug in the Muscle Relaxant class tracked across NADAC, Part D Formulary, Part D Spending, FDA Orange Book, and shortage data. Ranked below by CY24 Part D spend. Click any molecule for the full drug profile.

Molecules in class
6tracked in Part D
CY24 Part D spend
$114.3Mcombined across class
Total Rx claims
5.9M2.6M unique beneficiaries
Generic mfrs (active)
55across all molecules

Every drug in this class, ranked by Part D spend.

CY2024 dataCMS Part D Spending Dashboard
01
Methocarbamol
Brand: ATMEKSI · 5.1M Part D claims (CY24) · 2.3M beneficiaries · First FDA approval:
18 generic mfrs 0 plans require PA
Low NADAC$0.037
Avg plan cost$0.620
Part D spend $65.6M 17× spread, current vs floor
Class share
57%
of class CY24 spend
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02
Chlorzoxazone
95K Part D claims (CY24) · 33K beneficiaries · First FDA approval:
11 generic mfrs 38 plans require PA
Low NADAC$0.215
Avg plan cost$0.851
Part D spend $24.2M spread, current vs floor
Class share
21%
of class CY24 spend
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03
Metaxalone
108K Part D claims (CY24) · 47K beneficiaries · First FDA approval:
6 generic mfrs 34 plans require PA
Low NADAC$0.377
Avg plan cost$0.670
Part D spend $12.6M spread, current vs floor
Class share
11%
of class CY24 spend
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04
Carisoprodol
Brand: Soma · 515K Part D claims (CY24) · 114K beneficiaries · First FDA approval:
13 generic mfrs 49 plans require PA
Low NADAC$0.067
Avg plan cost$0.777
Part D spend $8.4M 12× spread, current vs floor
Class share
7%
of class CY24 spend
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05
Orphenadrine
108K Part D claims (CY24) · 67K beneficiaries · First FDA approval:
7 generic mfrs 25 plans require PA
Low NADAC$0.458
Avg plan cost$3.33
Part D spend $3.5M spread, current vs floor
Class share
3%
of class CY24 spend
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06
Methocarbamol Tablets
Brand: Methocarbamol · Part D claims (CY24) · First FDA approval:
Brand-only (no generics) 112 plans require PA
Low NADAC$0.037
Avg plan cost$0.041
Part D spend spread, current vs floor
Class share
0%
of class CY24 spend
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