Medicare Part D Drug Coverage List

According to the Centers for Medicare & Medicaid Services (CMS) 2026 Part D formulary data, this list covers 6,046 drugs across Medicare Part D plans, sorted by how broadly each is covered. Under the Inflation Reduction Act, Part D out-of-pocket costs are capped at $2,000 a year in 2026; see our methodology for how coverage breadth is calculated.

Coverage varies by plan and geography. Verify drug coverage with your specific plan before making decisions.

Overview Browse Drugs Part D Plans Rankings

Drug Name	Plans Covering	Coverage %	Avg Tier	PA %	2023 Benes
0.5 ML interferon beta-1a 0.06 MG/ML Prefilled Syringe [Avonex] interferon	1,031	20.3%	T4	77%	1,786
0.5 ML interferon beta-1a 0.06 MG/ML Auto-Injector [Avonex] interferon	1,031	20.3%	T4	77%	1,786
24 HR mirabegron 25 MG Extended Release Oral Tablet mirabegron	1,027	20.3%	T3	0%	-
24 HR mirabegron 50 MG Extended Release Oral Tablet mirabegron	1,027	20.3%	T3	0%	-
eletriptan 20 MG Oral Tablet eletriptan	1,026	20.2%	T2	0%	14,188
eletriptan 40 MG Oral Tablet eletriptan	1,026	20.2%	T2	0%	14,188
mometasone furoate 0.025 MG/ACTUAT / olopatadine hydrochloride 0.665 MG/ACTUAT Metered Dose Nasal Spray [Ryaltris] mometasone furoate	1,025	20.2%	T4	7.1%	490,025
methyltestosterone 10 MG Oral Capsule methyltestosterone	1,025	20.2%	T4	56.1%	20
eltrombopag 12.5 MG Oral Tablet [Promacta] eltrombopag	1,021	20.1%	T5	100%	5,708
eltrombopag 25 MG Oral Tablet [Promacta] eltrombopag	1,021	20.1%	T5	100%	5,708
eltrombopag 50 MG Oral Tablet [Promacta] eltrombopag	1,021	20.1%	T5	100%	5,708
eltrombopag 75 MG Oral Tablet [Promacta] eltrombopag	1,021	20.1%	T5	100%	5,708
{7 (sodium oxybate 4500 MG Granules for Oral Suspension [Lumryz]) / 14 (sodium oxybate 6000 MG Granules for Oral Suspension [Lumryz]) / 7 (sodium oxybate 7500 MG Granules for Oral Suspension [Lumryz]) } Pack [Lumryz 28-Day Starter Pack] sodium oxybate	1,020	20.1%	T4	100%	64
0.6 ML pegfilgrastim-apgf 10 MG/ML Prefilled Syringe [Nyvepria] pegfilgrastim-apgf	1,019	20.1%	T4	74.6%	282
eltrombopag 25 MG Powder for Oral Suspension [Promacta] eltrombopag	1,016	20.1%	T5	100%	5,708
eltrombopag 12.5 MG Powder for Oral Suspension [Promacta] eltrombopag	1,016	20.1%	T5	100%	5,708
sodium oxybate 4500 MG Granules for Oral Suspension [Lumryz] sodium oxybate	1,016	20.1%	T4	100%	855
sodium oxybate 6000 MG Granules for Oral Suspension [Lumryz] sodium oxybate	1,016	20.1%	T4	100%	855
sodium oxybate 7500 MG Granules for Oral Suspension [Lumryz] sodium oxybate	1,016	20.1%	T4	100%	855
sodium oxybate 9000 MG Granules for Oral Suspension [Lumryz] sodium oxybate	1,016	20.1%	T4	100%	855
prednisolone 1.2 MG/ML Ophthalmic Suspension [Pred Mild] prednisolone	1,015	20%	T3	0%	20,337
30/70 Release 24 HR methylphenidate hydrochloride 50 MG Extended Release Oral Capsule	1,011	20%	T3	5.7%	-
120 ACTUAT mometasone furoate 0.1 MG/ACTUAT Metered Dose Inhaler [Asmanex]	1,007	19.9%	T3	0%	11,082
120 ACTUAT mometasone furoate 0.2 MG/ACTUAT Metered Dose Inhaler [Asmanex]	1,007	19.9%	T3	0%	11,082
nimodipine 3 MG/ML Oral Solution nimodipine	1,000	19.7%	T4	5.9%	1,005
ciprofloxacin 2 MG/ML Otic Solution ciprofloxacin	994	19.6%	T3	0%	1,810
pitavastatin magnesium 2 MG Oral Tablet [Zypitamag] pitavastatin magnesium	989	19.5%	T4	0%	2,268
pitavastatin magnesium 4 MG Oral Tablet [Zypitamag] pitavastatin magnesium	989	19.5%	T4	0%	2,268
30/70 Release 24 HR methylphenidate hydrochloride 30 MG Extended Release Oral Capsule	987	19.5%	T3	9.1%	-
varenicline 0.03 MG/ACTUAT Nasal Spray [Tyrvaya] varenicline	986	19.5%	T4	5%	197,586
efinaconazole 100 MG/ML Topical Solution [Jublia] efinaconazole	984	19.4%	T5	8%	28,671
NDA201739 0.1 ML epinephrine 1 MG/ML Auto-Injector [Auvi-Q] NDA201739	983	19.4%	T3	0%	782
NDA201739 0.15 ML epinephrine 1 MG/ML Auto-Injector [Auvi-Q] NDA201739	983	19.4%	T3	0%	782
NDA201739 0.3 ML epinephrine 1 MG/ML Auto-Injector [Auvi-Q] NDA201739	983	19.4%	T3	0%	782
0.5 ML ustekinumab-aekn 90 MG/ML Prefilled Syringe [Selarsdi] ustekinumab-aekn	974	19.2%	T3	96.6%	-
1 ML ustekinumab-aekn 90 MG/ML Prefilled Syringe [Selarsdi] ustekinumab-aekn	974	19.2%	T4	96.6%	-
0.5 ML nalmefene 3 MG/ML Auto-Injector [Zurnai] nalmefene	974	19.2%	T2	0%	-
Osmotic 24 HR metformin hydrochloride 500 MG Extended Release Oral Tablet Osmotic	971	19.2%	T2	26.1%	-
estradiol 0.0006 MG/MG Topical Gel estradiol	970	19.1%	T3	0%	1,289,816
0.8 ML adalimumab-aaty 100 MG/ML Auto-Injector adalimumab-aaty	959	18.9%	T4	97.2%	-
{3 (0.8 ML adalimumab-aaty 100 MG/ML Auto-Injector) } Pack adalimumab-aaty	959	18.9%	T4	97.2%	-
0.4 ML adalimumab-aaty 100 MG/ML Prefilled Syringe adalimumab-aaty	958	18.9%	T4	100%	-
0.4 ML adalimumab-aaty 100 MG/ML Auto-Injector adalimumab-aaty	958	18.9%	T4	100%	-
0.2 ML adalimumab-aaty 100 MG/ML Prefilled Syringe adalimumab-aaty	958	18.9%	T4	100%	-
cephalexin 500 MG Oral Tablet cephalexin	942	18.6%	T2	0%	5,051,787
erythromycin ethylsuccinate 400 MG Oral Tablet [E.E.S.] erythromycin ethylsuccinate	941	18.6%	T3	0%	1,861
50 ML immunoglobulin G, human 100 MG/ML Injection [Bivigam] immunoglobulin G, human	940	18.6%	T4	100%	36
glyburide 1.5 MG Oral Tablet glyburide	939	18.5%	T3	24.3%	59,131
glyburide 3 MG Oral Tablet glyburide	939	18.5%	T3	24.3%	59,131
glyburide 6 MG Oral Tablet glyburide	939	18.5%	T3	24.3%	59,131
0.5 ML ustekinumab-aauz 90 MG/ML Prefilled Syringe [Otulfi] ustekinumab-aauz	939	18.5%	T2	100%	-
1 ML ustekinumab-aauz 90 MG/ML Prefilled Syringe [Otulfi] ustekinumab-aauz	939	18.5%	T4	100%	-
zolmitriptan 2.5 MG Oral Tablet zolmitriptan	937	18.5%	T2	0%	11,158
zolmitriptan 5 MG Oral Tablet zolmitriptan	937	18.5%	T2	0%	11,158
Abuse-Deterrent 12 HR oxycodone 9 MG Extended Release Oral Capsule [Xtampza] Abuse-Deterrent	936	18.5%	T3	11.1%	-
Abuse-Deterrent 12 HR oxycodone 13.5 MG Extended Release Oral Capsule [Xtampza] Abuse-Deterrent	936	18.5%	T3	11.1%	-
Abuse-Deterrent 12 HR oxycodone 18 MG Extended Release Oral Capsule [Xtampza] Abuse-Deterrent	936	18.5%	T3	11.1%	-
Abuse-Deterrent 12 HR oxycodone 27 MG Extended Release Oral Capsule [Xtampza] Abuse-Deterrent	936	18.5%	T3	11.1%	-
Abuse-Deterrent 12 HR oxycodone 36 MG Extended Release Oral Capsule [Xtampza] Abuse-Deterrent	936	18.5%	T3	11.1%	-
2 ML lebrikizumab-lbkz 125 MG/ML Pen Injector [Ebglyss] lebrikizumab-lbkz	927	18.3%	T4	93.3%	-
2 ML lebrikizumab-lbkz 125 MG/ML Prefilled Syringe [Ebglyss] lebrikizumab-lbkz	927	18.3%	T4	93.3%	-
chenodeoxycholate 250 MG Oral Tablet [Ctexli] chenodeoxycholate	923	18.2%	T4	100%	-
triazolam 0.25 MG Oral Tablet triazolam	919	18.1%	T3	23.3%	34,736
triazolam 0.125 MG Oral Tablet triazolam	919	18.1%	T3	23.3%	34,736
50/50 Release 24 HR methylphenidate hydrochloride 30 MG Extended Release Oral Capsule	918	18.1%	T3	3%	-
50/50 Release 24 HR methylphenidate hydrochloride 20 MG Extended Release Oral Capsule	909	17.9%	T3	1.5%	-
50/50 Release 24 HR methylphenidate hydrochloride 40 MG Extended Release Oral Capsule	909	17.9%	T3	1.5%	-
prednisolone 2 MG/ML Oral Solution prednisolone	902	17.8%	T2	29.4%	20,337
mesalamine 500 MG Extended Release Oral Capsule [Pentasa] mesalamine	896	17.7%	T3	0%	95,185
50/50 Release 24 HR methylphenidate hydrochloride 60 MG Extended Release Oral Capsule	894	17.6%	T3	3.2%	-
120 ACTUAT mometasone furoate 0.22 MG/ACTUAT Dry Powder Inhaler [Asmanex]	891	17.6%	T3	0%	11,082
60 ACTUAT mometasone furoate 0.22 MG/ACTUAT Dry Powder Inhaler [Asmanex]	891	17.6%	T3	0%	11,082
30 ACTUAT mometasone furoate 0.22 MG/ACTUAT Dry Powder Inhaler [Asmanex]	891	17.6%	T3	0%	11,082
30 ACTUAT mometasone furoate 0.11 MG/ACTUAT Dry Powder Inhaler [Asmanex]	891	17.6%	T3	0%	11,082
alpha 1-proteinase inhibitor, human 1 MG Injection [Aralast] alpha	886	17.5%	T4	97.8%	-
0.4 ML adalimumab-adaz 100 MG/ML Auto-Injector adalimumab-adaz	886	17.5%	T5	69.2%	-
0.4 ML adalimumab-adaz 100 MG/ML Prefilled Syringe adalimumab-adaz	886	17.5%	T5	69.2%	-
0.2 ML adalimumab-adaz 100 MG/ML Prefilled Syringe adalimumab-adaz	886	17.5%	T5	69.2%	-
0.1 ML adalimumab-adaz 100 MG/ML Prefilled Syringe adalimumab-adaz	886	17.5%	T5	69.2%	-
0.8 ML adalimumab-adaz 100 MG/ML Auto-Injector adalimumab-adaz	885	17.5%	T5	75%	-
24 HR fluvoxamine maleate 100 MG Extended Release Oral Capsule fluvoxamine maleate	880	17.4%	T3	0%	-
24 HR fluvoxamine maleate 150 MG Extended Release Oral Capsule fluvoxamine maleate	880	17.4%	T3	0%	-
tiotropium 0.018 MG Inhalation Powder tiotropium	879	17.3%	T3	0%	333,929
bepotastine besilate 15 MG/ML Ophthalmic Solution bepotastine besilate	879	17.3%	T3	0%	19,677
clemastine fumarate 2.68 MG Oral Tablet clemastine fumarate	878	17.3%	T2	53.3%	1,746
50/50 Release 24 HR methylphenidate hydrochloride 10 MG Extended Release Oral Capsule	876	17.3%	T3	1.6%	-
{24 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Disintegrating Oral Tablet) / 4 (inert ingredients 1 MG Disintegrating Oral Tablet) } Pack [Femlyv 24 ODT 28 Day] ethinyl estradiol	876	17.3%	T3	0%	-
120 ACTUAT mometasone furoate 0.05 MG/ACTUAT Metered Dose Inhaler [Asmanex]	875	17.3%	T3	0%	11,082
0.5 ML ustekinumab-aekn 90 MG/ML Prefilled Syringe ustekinumab-aekn	874	17.2%	T3	100%	-
1 ML ustekinumab-aekn 90 MG/ML Prefilled Syringe ustekinumab-aekn	874	17.2%	T4	100%	-
24 HR pramipexole dihydrochloride 0.375 MG Extended Release Oral Tablet pramipexole dihydrochloride	870	17.2%	T3	0%	-
doxycycline anhydrous 40 MG Delayed Release Oral Capsule doxycycline anhydrous	868	17.1%	T3	31.3%	4,121,486
doxycycline monohydrate 75 MG Oral Capsule doxycycline monohydrate	861	17%	T2	0%	1,315,899
24 HR pramipexole dihydrochloride 2.25 MG Extended Release Oral Tablet pramipexole dihydrochloride	861	17%	T3	0%	-
24 HR pramipexole dihydrochloride 3 MG Extended Release Oral Tablet pramipexole dihydrochloride	861	17%	T3	0%	-
dalteparin sodium 25000 UNT/ML Injectable Solution [Fragmin] dalteparin sodium	860	17%	T4	0%	87
imiquimod 37.5 MG/ML Topical Cream imiquimod	856	16.9%	T3	0%	124,101
1 ML dalteparin sodium 10000 UNT/ML Prefilled Syringe [Fragmin] dalteparin sodium	856	16.9%	T4	0%	87
0.5 ML dalteparin sodium 25000 UNT/ML Prefilled Syringe [Fragmin] dalteparin sodium	856	16.9%	T4	0%	87
0.6 ML dalteparin sodium 25000 UNT/ML Prefilled Syringe [Fragmin] dalteparin sodium	856	16.9%	T4	0%	87

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Source: CMS Quarterly Prescription Drug Plan Formulary PUF 2026. 6,046 drugs with RXCUI identifiers from NLM RxNorm. Coverage percentages based on 0 active Part D plans.

Compiled by Plainmedicare Editorial, Health Insurance Editorial Team