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
vosoritide 0.56 MG Injection [Voxzogo] vosoritide	23	0.5%	T4	100%	-
vosoritide 1.2 MG Injection [Voxzogo] vosoritide	23	0.5%	T4	100%	-
amlodipine 1 MG/ML Oral Suspension [Katerzia] amlodipine	22	0.4%	T3	0%	11,575,402
famotidine 26.6 MG / ibuprofen 800 MG Oral Tablet famotidine	22	0.4%	T2	100%	3,593,191
clindamycin phosphate 0.012 MG/MG / tretinoin 0.00025 MG/MG Topical Gel clindamycin phosphate	22	0.4%	T3	100%	303,687
diflorasone diacetate 0.5 MG/ML Topical Cream diflorasone diacetate	22	0.4%	T3	0%	6,653
tazarotene 1 MG/ML Topical Foam tazarotene	22	0.4%	T3	75%	4,869
adapalene 1 MG/ML Medicated Pad adapalene	22	0.4%	T3	100%	4,155
secnidazole 2000 MG Oral Granules [Solosec] secnidazole	22	0.4%	T4	25%	167
acetaminophen 300 MG / butalbital 50 MG / caffeine 40 MG Oral Capsule [Fioricet] acetaminophen	22	0.4%	T2	50%	156
gefitinib 250 MG Oral Tablet [Iressa] gefitinib	22	0.4%	T3	100%	90
Emollient clobetasol propionate 0.5 MG/ML Topical Foam [Tovet] Emollient clobetasol propionate	22	0.4%	T4	0%	-
zolpidem tartrate 10 MG Sublingual Tablet [Edluar] zolpidem tartrate	21	0.4%	T4	0%	1,435,449
zolpidem tartrate 5 MG Sublingual Tablet [Edluar] zolpidem tartrate	21	0.4%	T4	0%	1,435,449
chlorthalidone 12.5 MG Oral Tablet [Hemiclor] chlorthalidone	21	0.4%	T4	0%	783,324
acyclovir 50 MG/ML / hydrocortisone 10 MG/ML Topical Cream [Xerese] acyclovir	21	0.4%	T5	0%	670,065
lamotrigine 100 MG Disintegrating Oral Tablet [Lamictal] lamotrigine	21	0.4%	T4	0%	611,083
lamotrigine 200 MG Disintegrating Oral Tablet [Lamictal] lamotrigine	21	0.4%	T4	0%	611,083
halobetasol propionate 0.1 MG/ML / tazarotene 0.45 MG/ML Topical Lotion [Duobrii] halobetasol propionate	21	0.4%	T5	100%	89,868
nepafenac 1 MG/ML Ophthalmic Suspension [Nevanac] nepafenac	21	0.4%	T3	0%	28,476
tazarotene 0.45 MG/ML Topical Lotion [Arazlo] tazarotene	21	0.4%	T4	100%	4,869
tazarotene 1 MG/ML Topical Foam [Fabior] tazarotene	21	0.4%	T4	100%	4,869
fingolimod 0.25 MG Oral Capsule [Gilenya] fingolimod	21	0.4%	T4	60%	2,875
benzoyl peroxide 0.0375 MG/MG / clindamycin phosphate 0.012 MG/MG Topical Gel [Onexton] benzoyl peroxide	21	0.4%	T4	0%	465
hydrocortisone acetate 25 MG/ML / pramoxine hydrochloride 10 MG/ML Topical Lotion [Pramosone] hydrocortisone acetate	21	0.4%	T4	0%	430
hydrocortisone acetate 10 MG/ML / pramoxine hydrochloride 10 MG/ML Topical Lotion [Pramosone] hydrocortisone acetate	21	0.4%	T4	0%	430
24 HR doxazosin 4 MG Extended Release Oral Tablet [Cardura] doxazosin	21	0.4%	T4	0%	166
24 HR doxazosin 8 MG Extended Release Oral Tablet [Cardura] doxazosin	21	0.4%	T4	0%	166
mecamylamine hydrochloride 2.5 MG Oral Tablet [Vecamyl] mecamylamine hydrochloride	21	0.4%	T5	0%	-
vamorolone 40 MG/ML Oral Suspension [Agamree] vamorolone	21	0.4%	T4	100%	-
1.2 ML somatrogon-ghla 20 MG/ML Pen Injector [Ngenla] somatrogon-ghla	21	0.4%	T4	100%	-
1.2 ML somatrogon-ghla 50 MG/ML Pen Injector [Ngenla] somatrogon-ghla	21	0.4%	T4	100%	-
levothyroxine sodium 0.013 MG Oral Capsule levothyroxine sodium	20	0.4%	T3	0%	8,687,969
levothyroxine sodium 0.112 MG Oral Capsule levothyroxine sodium	20	0.4%	T3	0%	8,687,969
levothyroxine sodium 0.137 MG Oral Capsule levothyroxine sodium	20	0.4%	T3	0%	8,687,969
zolmitriptan 2.5 MG Oral Tablet [Zomig] zolmitriptan	20	0.4%	T2	0%	11,158
zolmitriptan 5 MG Oral Tablet [Zomig] zolmitriptan	20	0.4%	T2	0%	11,158
estradiol 0.0006 MG/MG Topical Gel [Elestrin] estradiol	19	0.4%	T4	0%	1,289,816
hydrocortisone 25 MG/ML Topical Solution [Texacort] hydrocortisone	19	0.4%	T4	0%	1,257,661
sucralfate 100 MG/ML Oral Suspension [Carafate] sucralfate	19	0.4%	T2	0%	800,942
colchicine 0.5 MG Oral Tablet [Lodoco] colchicine	19	0.4%	T4	100%	553,640
pazopanib 200 MG Oral Tablet [Votrient] pazopanib	19	0.4%	T4	100%	1,555
doxycycline hyclate 80 MG Delayed Release Oral Tablet doxycycline hyclate	18	0.4%	T1	0%	4,121,486
doxycycline hyclate 75 MG Oral Tablet doxycycline hyclate	18	0.4%	T1	0%	4,121,486
difluprednate 0.5 MG/ML Ophthalmic Suspension [Durezol] difluprednate	18	0.4%	T2	0%	69,636
flurandrenolide 0.5 MG/ML Topical Lotion flurandrenolide	18	0.4%	T4	0%	1,839
maraviroc 300 MG Oral Tablet [Selzentry] maraviroc	18	0.4%	T3	0%	1,674
asenapine 5 MG Sublingual Tablet [Saphris] asenapine	18	0.4%	T3	100%	714
asenapine 10 MG Sublingual Tablet [Saphris] asenapine	18	0.4%	T3	100%	714
30 ACTUAT fluticasone furoate 0.05 MG/ACTUAT Dry Powder Inhaler	18	0.4%	T2	0%	-
30 ACTUAT fluticasone furoate 0.1 MG/ACTUAT Dry Powder Inhaler	18	0.4%	T2	0%	-
30 ACTUAT fluticasone furoate 0.2 MG/ACTUAT Dry Powder Inhaler	18	0.4%	T2	0%	-
azithromycin 500 MG Injection [Zithromax] azithromycin	17	0.3%	T3	0%	5,970,026
nitroglycerin 0.4 MG/ACTUAT Mucosal Spray [Nitrolingual] nitroglycerin	17	0.3%	T2	0%	1,348,161
lurasidone hydrochloride 20 MG Oral Tablet [Latuda] lurasidone hydrochloride	17	0.3%	T4	33.3%	97,963
lurasidone hydrochloride 40 MG Oral Tablet [Latuda] lurasidone hydrochloride	17	0.3%	T4	33.3%	97,963
lurasidone hydrochloride 60 MG Oral Tablet [Latuda] lurasidone hydrochloride	17	0.3%	T4	33.3%	97,963
lurasidone hydrochloride 80 MG Oral Tablet [Latuda] lurasidone hydrochloride	17	0.3%	T4	33.3%	97,963
lurasidone hydrochloride 120 MG Oral Tablet [Latuda] lurasidone hydrochloride	17	0.3%	T4	33.3%	97,963
mesalamine 66.7 MG/ML Enema [Rowasa] mesalamine	17	0.3%	T3	0%	95,185
dimethyl fumarate 120 MG Delayed Release Oral Capsule [Tecfidera] dimethyl fumarate	17	0.3%	T4	33.3%	7,901
dimethyl fumarate 240 MG Delayed Release Oral Capsule [Tecfidera] dimethyl fumarate	17	0.3%	T4	33.3%	7,901
{14 (dimethyl fumarate 120 MG Delayed Release Oral Capsule [Tecfidera]) / 46 (dimethyl fumarate 240 MG Delayed Release Oral Capsule [Tecfidera]) } Pack [Tecfidera 30-Day Starter Pack] dimethyl fumarate	17	0.3%	T4	33.3%	3,154
fingolimod 0.5 MG Oral Capsule [Gilenya] fingolimod	17	0.3%	T4	33.3%	2,875
phenylephrine hydrochloride 1 MG/ML / promethazine hydrochloride 1.25 MG/ML Oral Solution phenylephrine hydrochloride	17	0.3%	T2	84.6%	1,468
12 HR dalfampridine 10 MG Extended Release Oral Tablet [Ampyra] dalfampridine	17	0.3%	T4	100%	1,179
emtricitabine 200 MG / tenofovir disoproxil fumarate 300 MG Oral Tablet [Truvada] emtricitabine	17	0.3%	T5	0%	997
emtricitabine 100 MG / tenofovir disoproxil fumarate 150 MG Oral Tablet [Truvada] emtricitabine	17	0.3%	T5	0%	997
emtricitabine 133 MG / tenofovir disoproxil fumarate 200 MG Oral Tablet [Truvada] emtricitabine	17	0.3%	T5	0%	997
emtricitabine 167 MG / tenofovir disoproxil fumarate 250 MG Oral Tablet [Truvada] emtricitabine	17	0.3%	T5	0%	997
3 ML icatibant 10 MG/ML Prefilled Syringe [Firazyr] icatibant	17	0.3%	T4	100%	213
lonapegsomatropin-tcgd 3 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 3.6 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 4.3 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 5.2 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 6.3 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 7.6 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 9.1 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 11 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 13.3 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 0.7 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 1.4 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 1.8 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 2.1 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
lonapegsomatropin-tcgd 2.5 MG Cartridge [Skytrofa] lonapegsomatropin-tcgd	17	0.3%	T4	100%	-
24 HR viloxazine 100 MG Extended Release Oral Capsule [Qelbree] viloxazine	16	0.3%	T3	33.3%	2,252
24 HR viloxazine 150 MG Extended Release Oral Capsule [Qelbree] viloxazine	16	0.3%	T3	33.3%	2,252
24 HR viloxazine 200 MG Extended Release Oral Capsule [Qelbree] viloxazine	16	0.3%	T3	33.3%	2,252
{3 (ponesimod 10 MG Oral Tablet [Ponvory]) / 2 (ponesimod 2 MG Oral Tablet [Ponvory]) / 2 (ponesimod 3 MG Oral Tablet [Ponvory]) / 2 (ponesimod 4 MG Oral Tablet [Ponvory]) / 1 (ponesimod 5 MG Oral Tablet [Ponvory]) / 1 (ponesimod 6 MG Oral Tablet [Ponvory]) / 1 (ponesimod 7 MG Oral Tablet [Ponvory]) / 1 (ponesimod 8 MG Oral Tablet [Ponvory]) / 1 (ponesimod 9 MG Oral Tablet [Ponvory]) } Pack [Ponvory 14 Day] ponesimod	16	0.3%	T4	100%	99
ponesimod 20 MG Oral Tablet [Ponvory] ponesimod	16	0.3%	T4	100%	99
{21 (drospirenone 3 MG / ethinyl estradiol 0.03 MG / levomefolate calcium 0.451 MG Oral Tablet) / 7 (levomefolate calcium 0.451 MG Oral Tablet) } Pack [Safyral 28 Day] drospirenone	16	0.3%	T3	0%	-
0.8 ML adalimumab-aacf 50 MG/ML Auto-Injector adalimumab-aacf	16	0.3%	T4	66.7%	-
ceftobiprole medocaril sodium 667 MG Injection [Zevtera] ceftobiprole medocaril sodium	16	0.3%	T4	33.3%	-
0.4 ML adalimumab-fkjp 50 MG/ML Prefilled Syringe adalimumab-fkjp	16	0.3%	T3	91.7%	-
0.8 ML adalimumab-fkjp 50 MG/ML Prefilled Syringe adalimumab-fkjp	16	0.3%	T3	91.7%	-
0.8 ML adalimumab-fkjp 50 MG/ML Auto-Injector adalimumab-fkjp	16	0.3%	T3	91.7%	-
tafluprost 0.015 MG/ML Ophthalmic Solution [Zioptan] tafluprost	15	0.3%	T4	0%	15,313
octreotide 20 MG Delayed Release Oral Capsule [Mycapssa] octreotide	15	0.3%	T4	100%	3,041
citric acid 0.01 MG/MG / lactic acid 0.018 MG/MG / potassium bitartrate 0.004 MG/MG Vaginal Gel [Phexxi] citric acid	15	0.3%	T4	0%	573
citric acid 0.01 MG/MG / lactic acid 0.018 MG/MG / potassium bitartrate 0.004 MG/MG Vaginal Gel [Phexx] citric acid	15	0.3%	T4	0%	573

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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