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
eplerenone 50 MG Oral Tablet [Inspra] eplerenone	2	0%	T1	0%	67,162
clozapine 25 MG Oral Tablet [Clozaril] clozapine	2	0%	T1	100%	64,860
clozapine 100 MG Oral Tablet [Clozaril] clozapine	2	0%	T1	100%	64,860
roflumilast 0.25 MG Oral Tablet [Daliresp] roflumilast	2	0%	T1	100%	59,491
pyridostigmine bromide 60 MG Oral Tablet [Mestinon] pyridostigmine bromide	2	0%	T1	0%	56,300
pyridostigmine bromide 12 MG/ML Oral Solution [Mestinon] pyridostigmine bromide	2	0%	T1	0%	56,300
pyridostigmine bromide 180 MG Extended Release Oral Tablet [Mestinon] pyridostigmine bromide	2	0%	T1	0%	56,300
vilazodone hydrochloride 10 MG Oral Tablet [Viibryd] vilazodone hydrochloride	2	0%	T1	0%	54,537
vilazodone hydrochloride 20 MG Oral Tablet [Viibryd] vilazodone hydrochloride	2	0%	T1	0%	54,537
vilazodone hydrochloride 40 MG Oral Tablet [Viibryd] vilazodone hydrochloride	2	0%	T1	0%	54,537
ramelteon 8 MG Oral Tablet [Rozerem] ramelteon	2	0%	T1	0%	52,872
exemestane 25 MG Oral Tablet [Aromasin] exemestane	2	0%	T1	0%	49,951
ivermectin 3 MG Oral Tablet [Stromectol] ivermectin	2	0%	T1	100%	40,953
ivermectin 10 MG/ML Topical Cream [Soolantra] ivermectin	2	0%	T1	100%	40,953
desmopressin acetate 0.1 MG Oral Tablet [DDAVP] desmopressin acetate	2	0%	T1	0%	35,693
desmopressin acetate 0.2 MG Oral Tablet [DDAVP] desmopressin acetate	2	0%	T1	0%	35,693
valganciclovir 450 MG Oral Tablet [Valcyte] valganciclovir	2	0%	T1	0%	31,283
valganciclovir 50 MG/ML Oral Solution [Valcyte] valganciclovir	2	0%	T1	0%	31,283
rasagiline 0.5 MG Oral Tablet [Azilect] rasagiline	2	0%	T1	0%	30,404
rasagiline 1 MG Oral Tablet [Azilect] rasagiline	2	0%	T1	0%	30,404
sulfacetamide sodium 100 MG/ML Topical Lotion [Klaron] sulfacetamide sodium	2	0%	T1	0%	23,854
armodafinil 50 MG Oral Tablet [Nuvigil] armodafinil	2	0%	T1	100%	21,855
armodafinil 150 MG Oral Tablet [Nuvigil] armodafinil	2	0%	T1	100%	21,855
armodafinil 200 MG Oral Tablet [Nuvigil] armodafinil	2	0%	T1	100%	21,855
armodafinil 250 MG Oral Tablet [Nuvigil] armodafinil	2	0%	T1	100%	21,855
clobazam 2.5 MG/ML Oral Suspension [Onfi] clobazam	2	0%	T1	100%	18,477
clobazam 10 MG Oral Tablet [Onfi] clobazam	2	0%	T1	100%	18,477
clobazam 20 MG Oral Tablet [Onfi] clobazam	2	0%	T1	100%	18,477
tenofovir disoproxil fumarate 300 MG Oral Tablet [Viread] tenofovir disoproxil fumarate	2	0%	T1	0%	15,480
imatinib 100 MG Oral Tablet [Gleevec] imatinib	2	0%	T1	100%	14,613
imatinib 400 MG Oral Tablet [Gleevec] imatinib	2	0%	T1	100%	14,613
sumatriptan 25 MG Oral Tablet [Imitrex] sumatriptan	2	0%	T1	0%	13,833
sumatriptan 50 MG Oral Tablet [Imitrex] sumatriptan	2	0%	T1	0%	13,833
sumatriptan 100 MG Oral Tablet [Imitrex] sumatriptan	2	0%	T1	0%	13,833
pioglitazone 15 MG Oral Tablet [Actos] pioglitazone	2	0%	T1	0%	12,971
pioglitazone 30 MG Oral Tablet [Actos] pioglitazone	2	0%	T1	0%	12,971
pioglitazone 45 MG Oral Tablet [Actos] pioglitazone	2	0%	T1	0%	12,971
desipramine hydrochloride 10 MG Oral Tablet [Norpramin] desipramine hydrochloride	2	0%	T1	0%	12,471
desipramine hydrochloride 25 MG Oral Tablet [Norpramin] desipramine hydrochloride	2	0%	T1	0%	12,471
dextroamphetamine sulfate 10 MG Extended Release Oral Capsule [Dexedrine] dextroamphetamine sulfate	2	0%	T1	0%	9,950
dexmethylphenidate hydrochloride 2.5 MG Oral Tablet [Focalin] dexmethylphenidate hydrochloride	2	0%	T1	100%	9,197
dexmethylphenidate hydrochloride 5 MG Oral Tablet [Focalin] dexmethylphenidate hydrochloride	2	0%	T1	100%	9,197
dexmethylphenidate hydrochloride 10 MG Oral Tablet [Focalin] dexmethylphenidate hydrochloride	2	0%	T1	100%	9,197
clindamycin 150 MG Oral Capsule [Cleocin] clindamycin	2	0%	T1	0%	8,722
clindamycin 75 MG Oral Capsule [Cleocin] clindamycin	2	0%	T1	0%	8,722
clindamycin 300 MG Oral Capsule [Cleocin] clindamycin	2	0%	T1	0%	8,722
clindamycin 10 MG/ML Topical Lotion [Cleocin-T] clindamycin	2	0%	T1	0%	8,722
clindamycin 20 MG/ML Vaginal Cream [Cleocin] clindamycin	2	0%	T1	0%	8,722
ritonavir 100 MG Oral Tablet [Norvir] ritonavir	2	0%	T1	0%	7,866
pirfenidone 267 MG Oral Tablet [Esbriet] pirfenidone	2	0%	T1	100%	7,776
pirfenidone 801 MG Oral Tablet [Esbriet] pirfenidone	2	0%	T1	100%	7,776
24 HR fesoterodine fumarate 4 MG Extended Release Oral Tablet [Toviaz] fesoterodine fumarate	2	0%	T1	0%	7,230
24 HR fesoterodine fumarate 8 MG Extended Release Oral Tablet [Toviaz] fesoterodine fumarate	2	0%	T1	0%	7,230
aliskiren 150 MG Oral Tablet [Tekturna] aliskiren	2	0%	T1	0%	6,966
aliskiren 300 MG Oral Tablet [Tekturna] aliskiren	2	0%	T1	0%	6,966
everolimus 10 MG Oral Tablet [Afinitor] everolimus	2	0%	T1	100%	6,726
everolimus 2 MG Tablet for Oral Suspension [Afinitor] everolimus	2	0%	T1	100%	6,726
everolimus 3 MG Tablet for Oral Suspension [Afinitor] everolimus	2	0%	T1	100%	6,726
everolimus 5 MG Tablet for Oral Suspension [Afinitor] everolimus	2	0%	T1	100%	6,726
168 HR buprenorphine 0.005 MG/HR Transdermal System [BuTrans] buprenorphine	2	0%	T1	100%	6,514
168 HR buprenorphine 0.01 MG/HR Transdermal System [BuTrans] buprenorphine	2	0%	T1	100%	6,514
168 HR buprenorphine 0.02 MG/HR Transdermal System [BuTrans] buprenorphine	2	0%	T1	100%	6,514
168 HR buprenorphine 0.0075 MG/HR Transdermal System [BuTrans] buprenorphine	2	0%	T1	100%	6,514
168 HR buprenorphine 0.015 MG/HR Transdermal System [BuTrans] buprenorphine	2	0%	T1	100%	6,514
dantrolene sodium 25 MG Oral Capsule [Dantrium] dantrolene sodium	2	0%	T1	0%	6,406
{35 (lamotrigine 25 MG Oral Tablet [Lamictal]) } Pack [Lamictal Blue (For Patients Taking Valproate)] lamotrigine	2	0%	T1	0%	5,721
anagrelide 0.5 MG Oral Capsule [Agrylin] anagrelide	2	0%	T1	0%	5,658
droxidopa 100 MG Oral Capsule [Northera] droxidopa	2	0%	T1	100%	5,473
droxidopa 200 MG Oral Capsule [Northera] droxidopa	2	0%	T1	100%	5,473
droxidopa 300 MG Oral Capsule [Northera] droxidopa	2	0%	T1	100%	5,473
levocarnitine 330 MG Oral Tablet [Carnitor] levocarnitine	2	0%	T1	0%	5,259
levocarnitine 100 MG/ML Oral Solution [Carnitor] levocarnitine	2	0%	T1	0%	5,259
tazarotene 0.001 MG/MG Topical Gel [Tazorac] tazarotene	2	0%	T1	100%	4,869
tazarotene 0.0005 MG/MG Topical Gel [Tazorac] tazarotene	2	0%	T1	100%	4,869
carbidopa 10 MG / levodopa 100 MG Oral Tablet [Sinemet] carbidopa	2	0%	T1	0%	4,842
carbidopa 25 MG / levodopa 100 MG Oral Tablet [Sinemet] carbidopa	2	0%	T1	0%	4,842
aprepitant 80 MG Oral Capsule [Emend] aprepitant	2	0%	T1	100%	4,705
24 HR rivastigmine 0.192 MG/HR Transdermal System [Exelon] rivastigmine	2	0%	T1	0%	4,339
24 HR rivastigmine 0.396 MG/HR Transdermal System [Exelon] rivastigmine	2	0%	T1	0%	4,339
24 HR rivastigmine 0.554 MG/HR Transdermal System [Exelon] rivastigmine	2	0%	T1	0%	4,339
lamivudine 150 MG Oral Tablet [Epivir] lamivudine	2	0%	T1	0%	4,096
lamivudine 300 MG Oral Tablet [Epivir] lamivudine	2	0%	T1	0%	4,096
lamivudine 10 MG/ML Oral Solution [Epivir] lamivudine	2	0%	T1	0%	4,096
24 HR amphetamine aspartate 1.25 MG / amphetamine sulfate 1.25 MG / dextroamphetamine saccharate 1.25 MG / dextroamphetamine sulfate 1.25 MG Extended Release Oral Capsule [Adderall] amphetamine aspartate	2	0%	T1	0%	4,019
24 HR amphetamine aspartate 2.5 MG / amphetamine sulfate 2.5 MG / dextroamphetamine saccharate 2.5 MG / dextroamphetamine sulfate 2.5 MG Extended Release Oral Capsule [Adderall] amphetamine aspartate	2	0%	T1	0%	4,019
24 HR amphetamine aspartate 3.75 MG / amphetamine sulfate 3.75 MG / dextroamphetamine saccharate 3.75 MG / dextroamphetamine sulfate 3.75 MG Extended Release Oral Capsule [Adderall] amphetamine aspartate	2	0%	T1	0%	4,019
24 HR amphetamine aspartate 5 MG / amphetamine sulfate 5 MG / dextroamphetamine saccharate 5 MG / dextroamphetamine sulfate 5 MG Extended Release Oral Capsule [Adderall] amphetamine aspartate	2	0%	T1	0%	4,019
24 HR amphetamine aspartate 6.25 MG / amphetamine sulfate 6.25 MG / dextroamphetamine saccharate 6.25 MG / dextroamphetamine sulfate 6.25 MG Extended Release Oral Capsule [Adderall] amphetamine aspartate	2	0%	T1	0%	4,019
24 HR amphetamine aspartate 7.5 MG / amphetamine sulfate 7.5 MG / dextroamphetamine saccharate 7.5 MG / dextroamphetamine sulfate 7.5 MG Extended Release Oral Capsule [Adderall] amphetamine aspartate	2	0%	T1	0%	4,019
deferasirox 125 MG Tablet for Oral Suspension [Exjade] deferasirox	2	0%	T1	100%	3,436
deferasirox 250 MG Tablet for Oral Suspension [Exjade] deferasirox	2	0%	T1	100%	3,436
deferasirox 500 MG Tablet for Oral Suspension [Exjade] deferasirox	2	0%	T1	100%	3,436
deferasirox 90 MG Oral Tablet [Jadenu] deferasirox	2	0%	T1	100%	3,436
deferasirox 180 MG Oral Tablet [Jadenu] deferasirox	2	0%	T1	100%	3,436
deferasirox 360 MG Oral Tablet [Jadenu] deferasirox	2	0%	T1	100%	3,436
deferasirox 180 MG Oral Granules [Jadenu] deferasirox	2	0%	T1	100%	3,436
deferasirox 360 MG Oral Granules [Jadenu] deferasirox	2	0%	T1	100%	3,436
deferasirox 90 MG Oral Granules [Jadenu] deferasirox	2	0%	T1	100%	3,436
24 HR paliperidone 3 MG Extended Release Oral Tablet [Invega] paliperidone	2	0%	T1	100%	2,964
24 HR paliperidone 6 MG Extended Release Oral Tablet [Invega] paliperidone	2	0%	T1	100%	2,964

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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