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
{14 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 7 (24 HR lamotrigine 200 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Green Patient Titration Kit (for Patients Taking Carbamazepine, Phenytoin, Phenobarbital, or Primidone, and Not Taking Valproate)] lamotrigine	63	1.2%	T5	100%	5,721
{7 (24 HR lamotrigine 100 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 25 MG Extended Release Oral Tablet [Lamictal]) / 14 (24 HR lamotrigine 50 MG Extended Release Oral Tablet [Lamictal]) } Pack [Lamictal XR Orange Patient Titration Kit (for Patients Not Taking Carbamazepine, Phenytoin, Phenobarbital, Primidone, or Valproate)] lamotrigine	63	1.2%	T4	100%	5,721
ticagrelor 60 MG Oral Tablet [Brilinta] ticagrelor	61	1.2%	T3	0%	234,770
budesonide 4 MG Delayed Release Oral Capsule [Tarpeyo] budesonide	61	1.2%	T4	100%	61,841
0.6 ML pegfilgrastim-fpgk 10 MG/ML Prefilled Syringe [Stimufend] pegfilgrastim-fpgk	61	1.2%	T4	90%	-
{180 (danicopan 100 MG Oral Tablet [Voydeya]) } Pack [Voydeya 200 MG Dose Bottle] danicopan	60	1.2%	T4	100%	-
{90 (danicopan 100 MG Oral Tablet [Voydeya]) / 90 (danicopan 50 MG Oral Tablet [Voydeya]) } Pack [Voydeya 150 MG Dose Bottle] danicopan	60	1.2%	T4	100%	-
naproxen sodium 500 MG / sumatriptan 85 MG Oral Tablet naproxen sodium	59	1.2%	T3	0%	39,316
voclosporin 7.9 MG Oral Capsule [Lupkynis] voclosporin	59	1.2%	T4	100%	299
amcinonide 0.001 MG/MG Topical Ointment amcinonide	57	1.1%	T3	0%	30
24 HR ketoprofen 200 MG Extended Release Oral Capsule ketoprofen	57	1.1%	T3	0%	-
24 HR morphine sulfate 30 MG Extended Release Oral Capsule morphine sulfate	57	1.1%	T3	0%	-
24 HR morphine sulfate 60 MG Extended Release Oral Capsule morphine sulfate	57	1.1%	T3	0%	-
24 HR morphine sulfate 90 MG Extended Release Oral Capsule morphine sulfate	57	1.1%	T3	0%	-
24 HR morphine sulfate 120 MG Extended Release Oral Capsule morphine sulfate	57	1.1%	T3	11.1%	-
24 HR morphine sulfate 45 MG Extended Release Oral Capsule morphine sulfate	57	1.1%	T3	0%	-
24 HR morphine sulfate 75 MG Extended Release Oral Capsule morphine sulfate	57	1.1%	T3	0%	-
methamphetamine hydrochloride 5 MG Oral Tablet methamphetamine hydrochloride	56	1.1%	T3	100%	39
2 ML somatropin 5 MG/ML Pen Injector [Nutropin] somatropin	56	1.1%	T4	100%	-
2 ML somatropin 2.5 MG/ML Pen Injector [Nutropin] somatropin	56	1.1%	T4	100%	-
2 ML somatropin 10 MG/ML Pen Injector [Nutropin] somatropin	56	1.1%	T4	100%	-
spinosad 9 MG/ML Medicated Shampoo spinosad	55	1.1%	T4	0%	638
12 HR desloratadine 2.5 MG / pseudoephedrine sulfate 120 MG Extended Release Oral Tablet [Clarinex-D] desloratadine	55	1.1%	T3	0%	-
3 ML insulin glargine-aglr 100 UNT/ML Pen Injector [Rezvoglar] insulin glargine-aglr	55	1.1%	T3	12.5%	-
tolmetin 400 MG Oral Capsule tolmetin	55	1.1%	T3	0%	-
omeprazole 20 MG / sodium bicarbonate 1100 MG Oral Capsule omeprazole	54	1.1%	T4	0%	7,298,218
omeprazole 40 MG / sodium bicarbonate 1100 MG Oral Capsule omeprazole	54	1.1%	T3	0%	7,298,218
nitroglycerin 0.004 MG/MG Rectal Ointment [Rectiv] nitroglycerin	52	1%	T3	0%	1,348,161
frovatriptan 2.5 MG Oral Tablet frovatriptan	52	1%	T3	0%	1,913
0.6 ML pegfilgrastim-pbbk 10 MG/ML Prefilled Syringe [Fylnetra] pegfilgrastim-pbbk	52	1%	T4	94.1%	11
methocarbamol 1000 MG Oral Tablet methocarbamol	51	1%	T2	0%	1,036,252
oxiconazole 10 MG/ML Topical Lotion [Oxistat] oxiconazole	50	1%	T3	0%	6,339
carbidopa 4.63 MG/ML / levodopa 20 MG/ML Oral Suspension [Duopa] carbidopa	50	1%	T4	100%	4,842
sinecatechins 0.15 MG/MG Topical Ointment [Veregen] sinecatechins	50	1%	T4	0%	71
atrasentan 0.75 MG Oral Tablet [Vanrafia] atrasentan	50	1%	T4	100%	-
epinephrine 20 MG/ML Nasal Spray [Neffy] epinephrine	49	1%	T3	0%	413,026
alendronic acid 70 MG / cholecalciferol 2800 UNT Oral Tablet [Fosamax Plus D] alendronic acid	49	1%	T3	0%	642
dichlorphenamide 50 MG Oral Tablet [Ormalvi] dichlorphenamide	49	1%	T4	100%	98
3 ML insulin glargine 100 UNT/ML Pen Injector [Basaglar] insulin glargine	49	1%	T3	11.1%	-
levothyroxine sodium 0.013 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.025 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.0375 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.044 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.05 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.0625 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.075 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.088 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.1 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.112 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.125 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.137 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.15 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.175 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
levothyroxine sodium 0.2 MG/ML Oral Solution [Tirosint] levothyroxine sodium	48	0.9%	T3	11.1%	8,687,969
epinephrine 10 MG/ML Nasal Spray [Neffy] epinephrine	48	0.9%	T3	0%	413,026
dichlorphenamide 50 MG Oral Tablet [Keveyis] dichlorphenamide	47	0.9%	T4	100%	98
brinzolamide 10 MG/ML Ophthalmic Suspension [Azopt] brinzolamide	44	0.9%	T3	0%	43,939
zolmitriptan 2.5 MG/ACTUAT Nasal Spray zolmitriptan	44	0.9%	T3	10%	11,158
0.5 ML semaglutide 2 MG/ML Auto-Injector [Wegovy] semaglutide	44	0.9%	T4	100%	47
0.5 ML semaglutide 1 MG/ML Auto-Injector [Wegovy] semaglutide	44	0.9%	T4	100%	47
0.75 ML semaglutide 2.27 MG/ML Auto-Injector [Wegovy] semaglutide	44	0.9%	T4	100%	47
0.75 ML semaglutide 3.2 MG/ML Auto-Injector [Wegovy] semaglutide	44	0.9%	T4	100%	47
0.5 ML semaglutide 0.5 MG/ML Auto-Injector [Wegovy] semaglutide	44	0.9%	T4	100%	47
{24 (ethinyl estradiol 0.01 MG / norethindrone acetate 1 MG Oral Tablet) / 2 (ethinyl estradiol 0.01 MG Oral Tablet) / 2 (ferrous fumarate 75 MG Oral Tablet) } Pack [Lo Loestrin Fe 28 Day] ethinyl estradiol	44	0.9%	T4	0%	-
0.8 ML eplontersen 56.3 MG/ML Auto-Injector [Wainua] eplontersen	44	0.9%	T4	100%	-
zolpidem tartrate 1.75 MG Sublingual Tablet zolpidem tartrate	43	0.8%	T3	20%	1,435,449
zolpidem tartrate 3.5 MG Sublingual Tablet zolpidem tartrate	43	0.8%	T3	20%	1,435,449
estradiol 1.53 MG/ACTUAT Topical Spray [Evamist] estradiol	43	0.8%	T4	16.7%	1,289,816
adapalene 0.003 MG/MG / benzoyl peroxide 0.025 MG/MG Topical Gel adapalene	43	0.8%	T4	40%	4,155
bosentan 62.5 MG Oral Tablet [Tracleer] bosentan	43	0.8%	T4	100%	715
bosentan 125 MG Oral Tablet [Tracleer] bosentan	43	0.8%	T4	100%	715
progesterone 0.04 MG/MG Vaginal Gel [Crinone] progesterone	42	0.8%	T3	88.9%	109
chlorothiazide 50 MG/ML Oral Suspension [Diuril] chlorothiazide	42	0.8%	T3	0%	101
0.5 ML golimumab 100 MG/ML Prefilled Syringe [Simponi] golimumab	41	0.8%	T4	94.1%	3,463
0.5 ML golimumab 100 MG/ML Auto-Injector [Simponi] golimumab	41	0.8%	T4	94.1%	3,463
1 ML golimumab 100 MG/ML Prefilled Syringe [Simponi] golimumab	41	0.8%	T4	94.1%	3,463
1 ML golimumab 100 MG/ML Auto-Injector [Simponi] golimumab	41	0.8%	T4	94.1%	3,463
Preservative-Free timolol 5 MG/ML Ophthalmic Solution Preservative-Free timolol	41	0.8%	T3	12.5%	-
hydrocortisone 20 MG/ML Topical Lotion hydrocortisone	40	0.8%	T2	0%	1,257,661
nimodipine 6 MG/ML Oral Solution [Nymalize] nimodipine	40	0.8%	T4	11.1%	1,005
273 DAY ethinyl estradiol 0.000542 MG/HR / segesterone acetate 0.00625 MG/HR Vaginal System [Annovera]	40	0.8%	T3	0%	44
{28 (drospirenone 0.5 MG / estradiol 1 MG Oral Tablet) } Pack [Angeliq 0.5/1 28 Day] drospirenone	40	0.8%	T4	0%	-
fluocinolone acetonide 0.25 MG/ML / neomycin sulfate 5 MG/ML Topical Cream [Neo-Synalar] fluocinolone acetonide	39	0.8%	T4	0%	80,799
dapsone 0.075 MG/MG Topical Gel dapsone	39	0.8%	T4	0%	25,257
zolmitriptan 5 MG/ACTUAT Nasal Spray zolmitriptan	39	0.8%	T3	12.5%	11,158
tavaborole 43.5 MG/ML Topical Solution tavaborole	39	0.8%	T4	71.4%	9,367
prasterone 6.5 MG Vaginal Insert [Intrarosa] prasterone	39	0.8%	T3	42.9%	3,100
cysteamine 75 MG Delayed Release Oral Granules [Procysbi] cysteamine	39	0.8%	T5	100%	30
cysteamine 300 MG Delayed Release Oral Granules [Procysbi] cysteamine	39	0.8%	T5	100%	30
posaconazole 40 MG/ML Oral Suspension [Noxafil] posaconazole	38	0.7%	T4	100%	8,353
sodium oxybate 500 MG/ML Oral Solution [Xyrem] sodium oxybate	38	0.7%	T5	100%	855
nitisinone 20 MG Oral Capsule [Orfadin] nitisinone	38	0.7%	T4	85.7%	-
meropenem 1000 MG / vaborbactam 1000 MG Injection [Vabomere] meropenem	37	0.7%	T4	16.7%	27,599
dexamethasone 1 MG/ML Ophthalmic Suspension [Maxidex] dexamethasone	36	0.7%	T3	0%	850,184
brimonidine 0.0033 MG/MG Topical Gel brimonidine	36	0.7%	T4	50%	573,214
enalapril maleate 1 MG/ML Oral Solution enalapril maleate	36	0.7%	T2	0%	482,684
bromfenac 0.75 MG/ML Ophthalmic Solution [Bromsite] bromfenac	36	0.7%	T3	0%	144,112
crotamiton 100 MG/ML Topical Lotion [Crotan] crotamiton	36	0.7%	T3	10%	2,145
crotamiton 100 MG/ML Topical Lotion crotamiton	36	0.7%	T3	10%	2,145
tramadol hydrochloride 75 MG Oral Tablet tramadol hydrochloride	34	0.7%	T2	7.7%	3,884,717

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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