Diphenhydramine HCl* — Medicare Part D Spending

Generic: Diphenhydramine HCl | Manufacturer: Overall

2023 Spending

$1.5M

2023 Claims

53,131

2023 Beneficiaries

18,579

Cost/Unit (2023)

$1.42

5-Year Spending Trend (2019-2023)

Year	Total Spending	Claims	Beneficiaries	Cost/Unit
2019	$1.0M	41,469	14,820	$1.21
2020	$1.4M	46,938	16,367	$1.35
2021	$1.4M	48,019	16,851	$1.04
2022	$1.7M	47,781	15,728	$1.22
2023	$1.5M	53,131	18,579	$1.42

5Y CAGR (cost/unit): 4.2%YoY Change (2022-2023): 16.6%

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DrugPricePeek Editorial TeamData Specialists

The DrugPricePeek editorial team aggregates and verifies drugs data from CMS NADAC & Medicare Part D. Every statistic on this site is cross-referenced against the official source before publication, with quarterly re-verification cycles.

✓ Sourced from CMS NADAC & Medicare Part D✓ Quarterly review✓ No paid placements

Read our full methodology or contact us with corrections.

Frequently Asked Questions

How much does Medicare spend on Diphenhydramine HCl*?

In 2023, Medicare Part D spent $1.5M on Diphenhydramine HCl* (Diphenhydramine HCl), serving 18,579 beneficiaries across 53,131 claims.

What is the cost per unit of Diphenhydramine HCl* under Medicare?

The weighted average cost per dosage unit of Diphenhydramine HCl* was $1.42 in 2023. The 5-year compound annual growth rate (2019-2023) was 4.2%.

Who manufactures Diphenhydramine HCl*?

Diphenhydramine HCl* (generic name: Diphenhydramine HCl) is manufactured by Overall. There are 5 manufacturer(s) listed in the CMS database for this drug.

Is Diphenhydramine HCl* covered by Medicare Part D?

Yes, Diphenhydramine HCl* is included in Medicare Part D spending data, indicating it is covered by Part D plans. However, specific coverage and tier placement vary by plan. Check with your specific Part D plan for formulary details.

Where does this Medicare spending data come from?

All Medicare Part D spending data comes from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Spending by Drug dataset, which is publicly available at data.cms.gov.

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Year

Total Spending

Claims

Beneficiaries

Cost/Unit

2019

$1.0M

41,469

14,820

$1.21

2020

$1.4M

46,938

16,367

$1.35

2021

$1.4M

48,019

16,851

$1.04

2022

$1.7M

47,781

15,728

$1.22

2023