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
24 HR diltiazem hydrochloride 120 MG Extended Release Oral Tablet diltiazem hydrochloride	2,881	56.9%	T2	0%	-
glucagon 3 MG Nasal Powder [Baqsimi] glucagon	2,871	56.7%	T3	0%	40,142
levalbuterol 0.103 MG/ML Inhalation Solution levalbuterol	2,867	56.6%	T3	99.2%	6,922
eltrombopag 12.5 MG Oral Tablet eltrombopag	2,864	56.5%	T4	99.2%	5,708
eltrombopag 25 MG Oral Tablet eltrombopag	2,864	56.5%	T4	99.2%	5,708
eltrombopag 50 MG Oral Tablet eltrombopag	2,864	56.5%	T4	99.2%	5,708
eltrombopag 75 MG Oral Tablet eltrombopag	2,864	56.5%	T4	99.2%	5,708
terbutaline sulfate 2.5 MG Oral Tablet terbutaline sulfate	2,857	56.4%	T3	0%	1,087
terbutaline sulfate 5 MG Oral Tablet terbutaline sulfate	2,857	56.4%	T3	0%	1,087
levalbuterol 2.5 MG/ML Inhalation Solution levalbuterol	2,845	56.1%	T3	99.2%	6,922
eltrombopag 12.5 MG Powder for Oral Suspension eltrombopag	2,845	56.1%	T4	99.2%	5,708
eltrombopag 25 MG Powder for Oral Suspension eltrombopag	2,845	56.1%	T4	99.2%	5,708
hydrocortisone valerate 2 MG/ML Topical Cream hydrocortisone valerate	2,833	55.9%	T2	0%	15,376
calcium chloride 0.2 MG/ML / glucose 50 MG/ML / potassium chloride 1.79 MG/ML / sodium chloride 6 MG/ML / sodium lactate 3.1 MG/ML Injectable Solution calcium chloride	2,829	55.8%	T3	0.7%	108,459
posaconazole 40 MG/ML Oral Suspension posaconazole	2,821	55.7%	T4	88.1%	8,353
polymyxin B 250000 UNT/ML Injectable Solution polymyxin B	2,814	55.5%	T3	6.5%	334,644
rifaximin 200 MG Oral Tablet [XIFAXAN] rifaximin	2,813	55.5%	T3	89.4%	96,011
perampanel 2 MG Oral Tablet [FYCOMPA] perampanel	2,810	55.5%	T4	61.1%	6,343
perampanel 4 MG Oral Tablet [FYCOMPA] perampanel	2,810	55.5%	T4	61.1%	6,343
perampanel 6 MG Oral Tablet [FYCOMPA] perampanel	2,810	55.5%	T4	61.1%	6,343
perampanel 8 MG Oral Tablet [FYCOMPA] perampanel	2,810	55.5%	T4	61.1%	6,343
perampanel 10 MG Oral Tablet [FYCOMPA] perampanel	2,810	55.5%	T4	61.1%	6,343
perampanel 12 MG Oral Tablet [FYCOMPA] perampanel	2,810	55.5%	T4	61.1%	6,343
besifloxacin 6 MG/ML Ophthalmic Suspension [Besivance] besifloxacin	2,808	55.4%	T3	0.7%	30,725
dipyridamole 25 MG Oral Tablet dipyridamole	2,805	55.4%	T2	42%	3,216
dipyridamole 50 MG Oral Tablet dipyridamole	2,805	55.4%	T2	42%	3,216
dipyridamole 75 MG Oral Tablet dipyridamole	2,805	55.4%	T2	42%	3,216
{4 (risedronate sodium 35 MG Delayed Release Oral Tablet) } Pack risedronate sodium	2,802	55.3%	T3	0%	-
{21 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) / 7 (ferrous fumarate 75 MG Oral Tablet) } Pack [Loestrin Fe 1/20 28 Day] ethinyl estradiol	2,797	55.2%	T2	0%	-
{21 (ethinyl estradiol 0.03 MG / norethindrone acetate 1.5 MG Oral Tablet) } Pack [Loestrin 1.5/30 21 Day] ethinyl estradiol	2,797	55.2%	T2	0%	-
{21 (ethinyl estradiol 0.02 MG / norethindrone acetate 1 MG Oral Tablet) } Pack [Loestrin 1/20 21 Day] ethinyl estradiol	2,797	55.2%	T2	0%	-
1.56 ML abaloparatide 2 MG/ML Pen Injector [Tymlos] abaloparatide	2,796	55.2%	T4	88.1%	12,979
naproxen 500 MG Delayed Release Oral Tablet naproxen	2,791	55.1%	T2	0%	1,344,536
brimonidine tartrate 2 MG/ML / timolol 5 MG/ML Ophthalmic Solution brimonidine tartrate	2,772	54.7%	T2	0%	573,214
diclofenac sodium 0.03 MG/MG Topical Gel diclofenac sodium	2,771	54.7%	T3	73.4%	3,196,668
insulin, regular, human 500 UNT/ML Injectable Solution [Humulin R] insulin, regular, human	2,770	54.7%	T3	49.3%	418,431
{224 (tobramycin 28 MG Inhalation Powder [Tobi]) } Pack [TOBI Podhaler Kit] tobramycin	2,766	54.6%	T4	50.5%	-
eszopiclone 2 MG Oral Tablet eszopiclone	2,763	54.5%	T2	17.5%	149,281
eszopiclone 1 MG Oral Tablet eszopiclone	2,763	54.5%	T2	17.5%	149,281
niacin 500 MG Oral Tablet [Niacor] niacin	2,761	54.5%	T3	0%	42,698
eszopiclone 3 MG Oral Tablet eszopiclone	2,755	54.4%	T2	18%	149,281
epoetin alfa-epbx 20000 UNT/ML Injectable Solution [Retacrit] epoetin alfa-epbx	2,754	54.4%	T3	98.4%	12,187
ramelteon 8 MG Oral Tablet ramelteon	2,749	54.3%	T3	0%	52,872
acetaminophen 325 MG / butalbital 50 MG / caffeine 40 MG Oral Tablet acetaminophen	2,749	54.3%	T2	35.7%	156
suvorexant 5 MG Oral Tablet [Belsomra] suvorexant	2,747	54.2%	T3	24.8%	86,387
suvorexant 10 MG Oral Tablet [Belsomra] suvorexant	2,747	54.2%	T3	24.8%	86,387
suvorexant 15 MG Oral Tablet [Belsomra] suvorexant	2,747	54.2%	T3	24.8%	86,387
suvorexant 20 MG Oral Tablet [Belsomra] suvorexant	2,747	54.2%	T3	24.8%	86,387
0.2 ML adalimumab 100 MG/ML Prefilled Syringe [Humira] adalimumab	2,743	54.1%	T4	100%	4,742
0.1 ML adalimumab 100 MG/ML Prefilled Syringe [Humira] adalimumab	2,743	54.1%	T4	100%	4,742
{28 (estrogens, conjugated (USP) 0.3 MG / medroxyprogesterone acetate 1.5 MG Oral Tablet) } Pack [Prempro 0.3/1.5 28 Day] estrogens,	2,743	54.1%	T3	17.8%	-
{28 (estrogens, conjugated (USP) 0.45 MG / medroxyprogesterone acetate 1.5 MG Oral Tablet) } Pack [Prempro 0.45/1.5 28 Day] estrogens,	2,743	54.1%	T3	17.8%	-
{28 (estrogens, conjugated (USP) 0.625 MG / medroxyprogesterone acetate 2.5 MG Oral Tablet) } Pack [Prempro 0.625/2.5 28 Day] estrogens,	2,743	54.1%	T3	17.8%	-
{28 (estrogens, conjugated (USP) 0.625 MG / medroxyprogesterone acetate 5 MG Oral Tablet) } Pack [Prempro 0.625/5 28 Day] estrogens,	2,743	54.1%	T3	17.8%	-
niacin 500 MG Oral Tablet niacin	2,739	54.1%	T2	0%	42,698
benzoyl peroxide 0.05 MG/MG / clindamycin phosphate 0.012 MG/MG Topical Gel benzoyl peroxide	2,739	54.1%	T2	0%	465
{21 (ethinyl estradiol 0.03 MG / norethindrone acetate 1.5 MG Oral Tablet) / 7 (ferrous fumarate 75 MG Oral Tablet) } Pack [Loestrin Fe 1.5/30 28 Day] ethinyl estradiol	2,734	54%	T2	0%	-
minocycline 50 MG Oral Tablet minocycline	2,728	53.8%	T3	0%	158,316
cycloserine 250 MG Oral Capsule cycloserine	2,725	53.8%	T4	0.9%	-
20 ML immunoglobulin G, human 100 MG/ML Injection [Octagam] immunoglobulin G, human	2,719	53.7%	T4	100%	2,511
minocycline 75 MG Oral Tablet minocycline	2,714	53.6%	T3	0%	158,316
alendronic acid 0.933 MG/ML Oral Solution alendronic acid	2,703	53.3%	T2	0%	-
ivabradine 1 MG/ML Oral Solution [Corlanor] ivabradine	2,699	53.3%	T3	40.8%	12,415
trientine hydrochloride 500 MG Oral Capsule trientine hydrochloride	2,699	53.3%	T4	62.5%	-
cyclosporine 0.5 MG/ML Ophthalmic Suspension [Restasis] cyclosporine	2,698	53.2%	T3	0%	492,479
24 HR tacrolimus 0.5 MG Extended Release Oral Capsule [Astagraf] tacrolimus	2,695	53.2%	T3	100%	-
24 HR tacrolimus 1 MG Extended Release Oral Capsule [Astagraf] tacrolimus	2,695	53.2%	T3	100%	-
24 HR tacrolimus 5 MG Extended Release Oral Capsule [Astagraf] tacrolimus	2,695	53.2%	T4	100%	-
hydromorphone hydrochloride 1 MG/ML Oral Solution hydromorphone hydrochloride	2,689	53.1%	T3	1.5%	234,154
0.2 ML glucagon 5 MG/ML Auto-Injector [Gvoke] glucagon	2,688	53%	T3	0%	1,079
0.2 ML glucagon 5 MG/ML Prefilled Syringe [Gvoke] glucagon	2,688	53%	T3	0%	1,079
nitroglycerin 0.4 MG/ACTUAT Mucosal Spray nitroglycerin	2,686	53%	T3	0%	1,348,161
24 HR fesoterodine fumarate 4 MG Extended Release Oral Tablet fesoterodine fumarate	2,682	52.9%	T3	0.5%	-
24 HR fesoterodine fumarate 8 MG Extended Release Oral Tablet fesoterodine fumarate	2,682	52.9%	T3	0.5%	-
120 ACTUAT budesonide 0.16 MG/ACTUAT / formoterol fumarate 0.0045 MG/ACTUAT Metered Dose Inhaler	2,677	52.8%	T3	0%	-
120 ACTUAT budesonide 0.08 MG/ACTUAT / formoterol fumarate 0.0045 MG/ACTUAT Metered Dose Inhaler	2,677	52.8%	T3	0%	-
0.1 ML glucagon 5 MG/ML Auto-Injector [Gvoke] glucagon	2,672	52.7%	T3	0%	1,079
belumosudil 200 MG Oral Tablet [Rezurock] belumosudil	2,666	52.6%	T4	99.2%	-
0.2 ML glucagon 5 MG/ML Injection [Gvoke] glucagon	2,662	52.5%	T3	0%	1,079
mexiletine hydrochloride 150 MG Oral Capsule mexiletine hydrochloride	2,658	52.5%	T3	0%	20,421
difluprednate 0.5 MG/ML Ophthalmic Suspension difluprednate	2,657	52.4%	T3	0%	69,636
120 ACTUAT budesonide 0.08 MG/ACTUAT / formoterol fumarate 0.0045 MG/ACTUAT Metered Dose Inhaler [Breyna]	2,652	52.3%	T3	0%	22,119
120 ACTUAT budesonide 0.16 MG/ACTUAT / formoterol fumarate 0.0045 MG/ACTUAT Metered Dose Inhaler [Breyna]	2,652	52.3%	T3	0%	22,119
insulin lispro 100 UNT/ML Injectable Solution insulin lispro	2,648	52.3%	T3	18.3%	418,431
mexiletine hydrochloride 250 MG Oral Capsule mexiletine hydrochloride	2,648	52.3%	T3	0%	20,421
azilsartan medoxomil 40 MG / chlorthalidone 12.5 MG Oral Tablet [Edarbyclor] azilsartan medoxomil	2,643	52.2%	T3	0%	17,111
azilsartan medoxomil 40 MG / chlorthalidone 25 MG Oral Tablet [Edarbyclor] azilsartan medoxomil	2,643	52.2%	T3	0%	17,111
1 ML epoetin alfa-epbx 2000 UNT/ML Injection [Retacrit] epoetin alfa-epbx	2,643	52.2%	T3	99.2%	12,187
1 ML epoetin alfa-epbx 3000 UNT/ML Injection [Retacrit] epoetin alfa-epbx	2,643	52.2%	T3	99.2%	12,187
1 ML epoetin alfa-epbx 4000 UNT/ML Injection [Retacrit] epoetin alfa-epbx	2,643	52.2%	T3	99.2%	12,187
1 ML epoetin alfa-epbx 10000 UNT/ML Injection [Retacrit] epoetin alfa-epbx	2,643	52.2%	T3	99.2%	12,187
mesalamine 400 MG Delayed Release Oral Capsule mesalamine	2,638	52.1%	T3	0%	95,185
mexiletine hydrochloride 200 MG Oral Capsule mexiletine hydrochloride	2,635	52%	T3	0%	20,421
epoetin alfa-epbx 10000 UNT/ML Injectable Solution [Retacrit] epoetin alfa-epbx	2,635	52%	T3	99.2%	12,187
1 ML somatropin 5 MG/ML Cartridge [Genotropin] somatropin	2,634	52%	T4	100%	1,572
1 ML somatropin 12 MG/ML Cartridge [Genotropin] somatropin	2,634	52%	T4	100%	1,572
bacitracin 0.4 UNT/MG / neomycin 0.0035 MG/MG / polymyxin B 10 UNT/MG Ophthalmic Ointment [Neo-Polycin] bacitracin	2,633	52%	T2	0%	14,794
24 HR apremilast 75 MG Extended Release Oral Tablet [Otezla] apremilast	2,629	51.9%	T4	100%	26,811
50 ML penicillin G potassium 40000 UNT/ML Injection penicillin G potassium	2,628	51.9%	T3	15.2%	-
50 ML penicillin G potassium 60000 UNT/ML Injection penicillin G potassium	2,628	51.9%	T3	15.2%	-

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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