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Silodosin is a generic drug. What agents check before quoting it: how many 2026 Part D plans cover it, on which tier, with what restrictions and copays, by plan type, carrier and state.
In 2026, 3,406 of 5,496 Medicare Part D and Medicare Advantage drug plans (62%) list Silodosin on their formulary, across 125 of 328 formularies. The most common placement is tier 3 (2,128 plans, 62.5% of those covering it). 0 of the covering plans require prior authorization (0%), 0 step therapy and 2,908 a quantity limit.
1,118 covering plans charge a flat copay for a 30-day supply at a preferred retail pharmacy after the deductible — median $45, 169 of them $0; 2,288 charge coinsurance instead — median 25% of the drug's cost. Once a member's out-of-pocket drug spending reaches $2,100 in 2026, covered drugs cost $0 for the rest of the year.
2025: 3,458 of 5,631 plans covered it (61.4%); 2026: 3,406 of 5,496 (62%).
Of 4,368 plans offered in both years, 56 added it to the formulary and 111 dropped it.
Among plans covering it both years, 70 moved it to a higher tier and 0 to a lower one; 0 added prior authorization and 0 removed it.
Medicare Part D paid for 622,845 30-day fills of Silodosin in 2024 for about 84,861 enrollees, at an average total cost of $40.54 per 30-day fill (CMS Part D Prescribers by Geography and Drug, national).
Price Silodosin and the rest of a client's list on every plan in their county.
Estimate Silodosin costs by plan
Free tools for licensed insurance agents. Data from CMS public files; verify with plan documents before advising a client.
Counts are over every Medicare Advantage drug plan and stand-alone Part D plan in the CMS monthly formulary files, excluding employer plans. A plan counts as covering a drug when any strength or form of it is on the plan’s formulary; the tier, prior authorization, step therapy and quantity limit shown are the most favorable version on that formulary. Copays are for a 30-day supply at a preferred retail pharmacy after the deductible. This is a reference for licensed agents, not a plan recommendation; verify with the plan’s formulary before advising a client. Source: CMS Part D formulary files (release 09/16/2026). CMS formulary data.