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
2 ML omalizumab 150 MG/ML Auto-Injector [Xolair] omalizumab	5,038	99.4%	T4	100%	9,161
fluticasone propionate 0.5 MG/ML Topical Cream fluticasone propionate	5,037	99.4%	T2	0%	4,902,813
moxifloxacin 5 MG/ML Ophthalmic Solution moxifloxacin	5,037	99.4%	T2	0%	596,568
diclofenac sodium 75 MG Delayed Release Oral Tablet diclofenac sodium	5,036	99.4%	T2	0%	3,196,668
diclofenac sodium 50 MG Delayed Release Oral Tablet diclofenac sodium	5,036	99.4%	T2	0%	3,196,668
150 ML levofloxacin 5 MG/ML Injection levofloxacin	5,036	99.4%	T3	8.3%	-
amoxicillin 250 MG / clavulanate 125 MG Oral Tablet amoxicillin	5,034	99.3%	T2	0%	6,202,496
nabumetone 750 MG Oral Tablet nabumetone	5,033	99.3%	T2	0%	222,409
nabumetone 500 MG Oral Tablet nabumetone	5,033	99.3%	T2	0%	222,409
24 HR nifedipine 90 MG Extended Release Oral Tablet nifedipine	5,033	99.3%	T2	0%	-
donepezil hydrochloride 5 MG Disintegrating Oral Tablet donepezil hydrochloride	5,032	99.3%	T2	0%	1,468,151
donepezil hydrochloride 10 MG Disintegrating Oral Tablet donepezil hydrochloride	5,032	99.3%	T2	0%	1,468,151
fluocinonide 0.5 MG/ML Topical Solution fluocinonide	5,032	99.3%	T2	0%	379,768
metolazone 10 MG Oral Tablet metolazone	5,032	99.3%	T2	0%	221,550
metolazone 2.5 MG Oral Tablet metolazone	5,032	99.3%	T2	0%	221,550
metolazone 5 MG Oral Tablet metolazone	5,032	99.3%	T2	0%	221,550
tobramycin 10 MG/ML Injectable Solution tobramycin	5,032	99.3%	T3	9.9%	195,319
acebutolol 200 MG Oral Capsule acebutolol	5,032	99.3%	T2	0%	18,164
acebutolol 400 MG Oral Capsule acebutolol	5,032	99.3%	T2	0%	18,164
cefaclor 500 MG Oral Capsule cefaclor	5,032	99.3%	T2	0%	5,291
Osmotic 24 HR nifedipine 30 MG Extended Release Oral Tablet Osmotic	5,031	99.3%	T2	0%	-
Osmotic 24 HR nifedipine 60 MG Extended Release Oral Tablet Osmotic	5,031	99.3%	T2	0%	-
Osmotic 24 HR nifedipine 90 MG Extended Release Oral Tablet Osmotic	5,031	99.3%	T2	0%	-
doxycycline monohydrate 50 MG Oral Capsule doxycycline monohydrate	5,030	99.3%	T2	0%	1,315,899
lactulose 667 MG/ML Oral Solution [Generlac] lactulose	5,030	99.3%	T2	0%	526,962
nitrofurantoin, macrocrystals 50 MG Oral Capsule nitrofurantoin, macrocrystals	5,029	99.3%	T2	0%	2,638,012
dutasteride 0.5 MG Oral Capsule dutasteride	5,029	99.3%	T2	0%	224,682
abiraterone acetate 250 MG Oral Tablet abiraterone acetate	5,029	99.3%	T4	85.3%	45,661
dexamethasone 1 MG/ML / neomycin 3.5 MG/ML / polymyxin B 10000 UNT/ML Ophthalmic Suspension dexamethasone	5,028	99.2%	T2	0%	850,184
potassium citrate 15 MEQ Extended Release Oral Tablet potassium citrate	5,028	99.2%	T2	0%	131,779
candesartan cilexetil 4 MG Oral Tablet candesartan cilexetil	5,028	99.2%	T2	0%	109,771
candesartan cilexetil 8 MG Oral Tablet candesartan cilexetil	5,028	99.2%	T2	0%	109,771
candesartan cilexetil 32 MG Oral Tablet candesartan cilexetil	5,028	99.2%	T2	0%	109,771
methotrexate 25 MG/ML Injectable Solution methotrexate	5,028	99.2%	T2	33.3%	84
168 HR clonidine 0.00417 MG/HR Transdermal System clonidine	5,028	99.2%	T3	0%	-
168 HR clonidine 0.00833 MG/HR Transdermal System clonidine	5,028	99.2%	T3	0%	-
168 HR clonidine 0.0125 MG/HR Transdermal System clonidine	5,028	99.2%	T3	0%	-
ticagrelor 90 MG Oral Tablet ticagrelor	5,027	99.2%	T3	0%	234,770
selegiline hydrochloride 5 MG Oral Tablet selegiline hydrochloride	5,027	99.2%	T2	0%	877
1 ML octreotide 0.5 MG/ML Injection octreotide	5,027	99.2%	T4	75.2%	-
ribavirin 200 MG Oral Tablet ribavirin	5,026	99.2%	T2	1.2%	1,130
penicillin V potassium 25 MG/ML Oral Solution penicillin V potassium	5,025	99.2%	T2	0%	384,413
penicillin V potassium 50 MG/ML Oral Solution penicillin V potassium	5,025	99.2%	T2	0%	384,413
bisoprolol fumarate 2.5 MG / hydrochlorothiazide 6.25 MG Oral Tablet bisoprolol fumarate	5,025	99.2%	T2	0%	262,683
bisoprolol fumarate 5 MG / hydrochlorothiazide 6.25 MG Oral Tablet bisoprolol fumarate	5,025	99.2%	T2	0%	262,683
bisoprolol fumarate 10 MG / hydrochlorothiazide 6.25 MG Oral Tablet bisoprolol fumarate	5,025	99.2%	T2	0%	262,683
amiloride hydrochloride 5 MG / hydrochlorothiazide 50 MG Oral Tablet amiloride hydrochloride	5,024	99.2%	T2	0%	26,467
pirfenidone 267 MG Oral Tablet pirfenidone	5,024	99.2%	T4	99.7%	7,776
fluorometholone 1 MG/ML Ophthalmic Suspension fluorometholone	5,023	99.1%	T2	0%	168,211
silver sulfadiazine 10 MG/ML Topical Cream [SSD] silver sulfadiazine	5,022	99.1%	T2	0%	251,600
acetaminophen 24 MG/ML / codeine phosphate 2.4 MG/ML Oral Solution acetaminophen	5,022	99.1%	T2	0.9%	156
{7 (ethinyl estradiol 0.035 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.035 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack [Tri-Sprintec 28 Day] ethinyl estradiol	5,022	99.1%	T2	0%	-
potassium chloride 10 MEQ Extended Release Oral Capsule potassium chloride	5,021	99.1%	T2	0%	3,479,756
potassium chloride 8 MEQ Extended Release Oral Capsule potassium chloride	5,021	99.1%	T2	0%	3,479,756
betamethasone 0.0005 MG/MG Topical Ointment betamethasone	5,021	99.1%	T3	0%	407,711
ursodiol 300 MG Oral Capsule ursodiol	5,020	99.1%	T3	0%	102,032
polyethylene glycol 3350 236000 MG / potassium chloride 2970 MG / sodium bicarbonate 6740 MG / sodium chloride 5860 MG / sodium sulfate 22740 MG Powder for Oral Solution polyethylene glycol	5,020	99.1%	T2	0%	-
12 HR acetazolamide 500 MG Extended Release Oral Capsule acetazolamide	5,020	99.1%	T3	0%	-
doxycycline hyclate 50 MG Oral Capsule doxycycline hyclate	5,018	99%	T2	0%	4,121,486
3 ML semaglutide 1.34 MG/ML Pen Injector [Ozempic] semaglutide	5,018	99%	T3	99.4%	1,464,468
0.25 MG, 0.5 MG Dose 3 ML semaglutide 0.68 MG/ML Pen Injector [Ozempic]	5,018	99%	T3	99.4%	1,464,468
3 ML semaglutide 2.68 MG/ML Pen Injector [Ozempic] semaglutide	5,018	99%	T3	99.4%	1,464,468
hydrocortisone 25 MG/ML Topical Lotion hydrocortisone	5,018	99%	T2	0%	1,257,661
testosterone cypionate 100 MG/ML Injectable Solution testosterone cypionate	5,018	99%	T2	67.9%	242,810
ticagrelor 60 MG Oral Tablet ticagrelor	5,018	99%	T3	0%	234,770
gramicidin 0.025 MG/ML / neomycin 1.75 MG/ML / polymyxin B 10000 UNT/ML Ophthalmic Solution gramicidin	5,018	99%	T2	0%	26
amphetamine aspartate 3.125 MG / amphetamine sulfate 3.125 MG / dextroamphetamine saccharate 3.125 MG / dextroamphetamine sulfate 3.125 MG Oral Tablet amphetamine aspartate	5,017	99%	T2	19.9%	466
carglumic acid 200 MG Tablet for Oral Suspension carglumic acid	5,017	99%	T4	88.9%	-
diclofenac sodium 25 MG Delayed Release Oral Tablet diclofenac sodium	5,016	99%	T2	0%	3,196,668
captopril 12.5 MG Oral Tablet captopril	5,016	99%	T2	0%	18,382
captopril 25 MG Oral Tablet captopril	5,016	99%	T2	0%	18,382
cefdinir 25 MG/ML Oral Suspension cefdinir	5,015	99%	T2	0%	1,621,815
cefdinir 50 MG/ML Oral Suspension cefdinir	5,015	99%	T2	0%	1,621,815
doxycycline monohydrate 50 MG Oral Tablet doxycycline monohydrate	5,014	99%	T2	0%	1,315,899
atropine sulfate 10 MG/ML Ophthalmic Solution atropine sulfate	5,014	99%	T2	0.3%	109,532
malathion 5 MG/ML Topical Lotion malathion	5,014	99%	T3	0%	1,252
testosterone cypionate 200 MG/ML Injectable Solution testosterone cypionate	5,012	98.9%	T2	67.8%	242,810
fidaxomicin 200 MG Oral Tablet fidaxomicin	5,010	98.9%	T4	14.6%	21,562
pentamidine isethionate 50 MG/ML Inhalation Solution pentamidine isethionate	5,010	98.9%	T3	99.7%	20
methenamine hippurate 1000 MG Oral Tablet methenamine hippurate	5,009	98.9%	T3	0%	161,162
0.5 ML sumatriptan 12 MG/ML Injection sumatriptan	5,009	98.9%	T3	0%	-
prednisolone 1 MG/ML Oral Solution prednisolone	5,008	98.8%	T2	45.8%	20,337
24 HR nifedipine 30 MG Extended Release Oral Tablet nifedipine	5,008	98.8%	T2	0%	-
24 HR nifedipine 60 MG Extended Release Oral Tablet nifedipine	5,008	98.8%	T2	0%	-
nafcillin 1000 MG Injection nafcillin	5,008	98.8%	T3	9%	-
cefaclor 250 MG Oral Capsule cefaclor	5,007	98.8%	T2	0%	5,291
fluocinonide 0.0005 MG/MG Topical Ointment fluocinonide	5,006	98.8%	T2	0%	379,768
doxycycline monohydrate 100 MG Oral Tablet doxycycline monohydrate	5,004	98.8%	T2	0%	1,315,899
torsemide 5 MG Oral Tablet torsemide	5,004	98.8%	T2	0%	675,579
mometasone furoate 1 MG/ML Topical Lotion mometasone furoate	5,004	98.8%	T2	0%	490,025
rizatriptan 5 MG Disintegrating Oral Tablet rizatriptan	5,004	98.8%	T2	0%	180,679
rizatriptan 10 MG Disintegrating Oral Tablet rizatriptan	5,004	98.8%	T2	0%	180,679
rizatriptan 5 MG Oral Tablet rizatriptan	5,004	98.8%	T2	0%	180,679
rizatriptan 10 MG Oral Tablet rizatriptan	5,004	98.8%	T2	0%	180,679
pegvisomant 25 MG Injection [Somavert] pegvisomant	5,004	98.8%	T4	97%	247
pegvisomant 30 MG Injection [Somavert] pegvisomant	5,004	98.8%	T4	97%	247
cilastatin 500 MG / imipenem 500 MG Injection cilastatin	5,004	98.8%	T3	6.7%	-
betamethasone 0.5 MG/ML Topical Lotion betamethasone	5,003	98.7%	T2	0%	407,711
furosemide 10 MG/ML Oral Solution furosemide	5,000	98.7%	T2	0%	5,640,922
hydrocortisone 1.67 MG/ML Enema hydrocortisone	5,000	98.7%	T3	0%	1,257,661

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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