Medicare Part D drugs starting with F
86 drugs start with F; 42 of them are on at least 90% of 2026 Part D formularies. Part D spending was highest for Farxiga in 2024: $5.3 billion, what plans and patients paid at the pharmacy before rebates.
Which drugs start with F?
| Drug | Plans covering | Usual tier | Medicare spending, 2024 |
|---|---|---|---|
| Fabhalta (iptacopan) | 4.7% | Tier 5 | $33 million |
| Falmina (ethinyl estradiol / levonorgestrel) | 93.5% | Tier 2 | $47 thousand |
| Famciclovir | 98.5% | Tier 2 | $6 million |
| Famotidine | 100% | Tier 1 | $179 million |
| Famotidine / ibuprofen | 0.4% | Tier 1 | $3 million |
| Fanapt (iloperidone) | 100% | Tier 4 | $87 million |
| Farxiga (dapagliflozin) | 100% | Tier 3 | $5.3 billion |
| Fasenra (benralizumab) | 94% | Tier 5 | $308 million |
| Febuxostat | 81.4% | Tier 2 | $37 million |
| Feirza (ethinyl estradiol / norethindrone acetate) | 85.3% | Tier 2 | no 2024 match |
| Felbamate | 100% | Tier 4 | $8 million |
| Felodipine | 98% | Tier 2 | $9 million |
| Femara (letrozole) | 91.3% | Tier 5 | $1 million |
| Femlyv 24 ODT (ethinyl estradiol / norethindrone acetate) | 17.3% | Tier 4 | no 2024 match |
| Femring (estradiol) | 5.5% | Tier 4 | $7 million |
| Fenofibrate | 100% | Tier 2 | $129 million |
| Fenofibric acid | 65.4% | Tier 3 | $9 million |
| Fenoprofen | 12.8% | Tier 4 | $97 thousand |
| Fentanyl | 100% | Tier 4 | $93 million |
| Ferriprox (deferiprone) | 6.4% | Tier 5 | $37 million |
| Fesoterodine fumarate | 52.8% | Tier 2 | $18 million |
| Fetzima (levomilnacipran) | 100% | Tier 4 | $27 million |
| Fexmid (cyclobenzaprine hydrochloride) | under 0.1% | Tier 4 | no 2024 match |
| Fiasp (insulin aspart, human) | 100% | Tier 3 | $358 million |
| Fidaxomicin | 99.3% | Tier 5 | no 2024 match |
| Filspari (sparsentan) | 2.8% | Tier 5 | $24 million |
| Filsuvez (birch triterpenes) | 2.3% | Tier 5 | $2 million |
| Finacea (azelaic acid) | 6.9% | Tier 4 | $3 million |
| Finasteride | 100% | Tier 1 | $96 million |
| Fingolimod | 97.8% | Tier 5 | $55 million |
| Fintepla (fenfluramine) | 100% | Tier 5 | $41 million |
| Finzala 24 Fe Chewable (ethinyl estradiol / norethindrone acetate) | 44% | Tier 2 | no 2024 match |
| Fioricet (acetaminophen / butalbital / caffeine) | 0.4% | Tier 1 | $935 thousand |
| Firazyr (icatibant) | 0.3% | Tier 5 | $44 million |
| Firdapse (amifampridine) | 4.2% | Tier 5 | $178 million |
| Firmagon (degarelix) | 97.9% | Tier 4 | $1 million |
| Firvanq (vancomycin) | 0.6% | Tier 3 | $510 thousand |
| Flarex (fluorometholone acetate) | 31.1% | Tier 4 | $3 million |
| Flavoxate hydrochloride | 7.2% | Tier 2 | $397 thousand |
| Flecainide acetate | 100% | Tier 2 | $53 million |
Show the other 46 drugs
| Drug | Plans covering | Usual tier | Medicare spending, 2024 |
|---|---|---|---|
| Fluconazole | 100% | Tier 2 | $38 million |
| Flucytosine | 100% | Tier 5 | $9 million |
| Fludrocortisone acetate | 100% | Tier 2 | $12 million |
| Flunisolide | 93.5% | Tier 3 | $3 million |
| Fluocinolone acetonide | 100% | Tier 3 | $16 million |
| Fluocinonide | 100% | Tier 2 | $32 million |
| Fluorometholone | 99.2% | Tier 3 | $31 million |
| Fluorouracil | 100% | Tier 2 | $46 million |
| Fluoxetine | 100% | Tier 1 | $83 million |
| Fluoxetine / olanzapine | 8.2% | Tier 4 | $2 million |
| Fluphenazine decanoate | 100% | Tier 4 | $8 million |
| Fluphenazine hydrochloride | 100% | Tier 4 | $28 million |
| Flurandrenolide | 0.4% | Tier 4 | $72 thousand |
| Flurazepam hydrochloride | 3.4% | Tier 2 | $76 thousand |
| Flurbiprofen | 95.1% | Tier 2 | $631 thousand |
| Flurbiprofen sodium | 97.8% | Tier 2 | $662 thousand |
| Fluticasone furoate | 0.4% | Tier 1 | no 2024 match |
| Fluticasone furoate / vilanterol | 0.5% | Tier 1 | $67 million |
| Fluticasone propionate | 100% | Tier 2 | $191 million |
| Fluticasone propionate / salmeterol | 92.7% | Tier 2 | $409 million |
| Fluvastatin | 82.6% | Tier 1 | $7 million |
| Fluvoxamine maleate | 100% | Tier 2 | $23 million |
| FML (fluorometholone) | under 0.1% | Tier 1 | $113 thousand |
| FML Forte Liquifilm (fluorometholone) | 4.9% | Tier 4 | no 2024 match |
| Focalin (dexmethylphenidate hydrochloride) | under 0.1% | Tier 1 | $1 million |
| Fondaparinux sodium | 72.5% | Tier 4 | $15 million |
| Formoterol fumarate | 24.8% | Tier 4 | $7 million |
| Forteo (teriparatide) | 21.7% | Tier 5 | $266 million |
| Forzinity (elamipretide) | 0.7% | Tier 5 | no 2024 match |
| Fosamax (alendronic acid) | under 0.1% | Tier 1 | $446 thousand |
| Fosamax Plus D (alendronic acid / cholecalciferol) | 1% | Tier 3 | $535 thousand |
| Fosamprenavir | 100% | Tier 5 | $1 million |
| Fosfomycin | 100% | Tier 4 | $20 million |
| Fosinopril sodium | 97.7% | Tier 1 | $4 million |
| Fosinopril sodium / hydrochlorothiazide | 95% | Tier 1 | $630 thousand |
| Fosrenol (lanthanum carbonate) | under 0.1% | Tier 5 | $5 million |
| Fotivda (tivozanib) | 100% | Tier 5 | $119 million |
| Fragmin (dalteparin sodium) | 16.8% | Tier 4 | $2 million |
| Frovatriptan | 1% | Tier 4 | $3 million |
| Fruzaqla (fruquintinib) | 100% | Tier 5 | $137 million |
| Fulphila (pegfilgrastim-jmdb) | 37.3% | Tier 5 | $8 million |
| Furoscix (furosemide) | 1.5% | Tier 5 | $27 million |
| Furosemide | 100% | Tier 1 | $119 million |
| Fyavolv (ethinyl estradiol / norethindrone acetate) | 66.2% | Tier 3 | $716 thousand |
| Fycompa (perampanel) | 73.1% | Tier 4 | $76 million |
| Fylnetra (pegfilgrastim-pbbk) | 1% | Tier 5 | $511 thousand |
Source: CMS Part D formulary file, 2026 second quarter; CMS Medicare Part D Spending by Drug, 2024.
What else should you check?
- Every drug, by letterAnd the 20 that cost Medicare most
- Stand-alone drug plans for 2027Premiums and deductibles
- Part D in 2027What changes for drug plans