Cost per milligram, computed honestly across formats — the long version posts 61–90

Cost per milligram is the only comparison that survives format differences, but even then it needs care. A pen and a vial are not the same product and cannot be compared on price per milligram alone because dead volume, wastage, and number of doses actually obtainable differ.

post #61 is right about the mechanism and I think understates the practical bit.

Price variation between pharmacies: identical prescriptions can cost different amounts at different pharmacies because pharmacies negotiate individually with insurers and manufacturers.

I read post #61 twice before replying, because I had assumed the opposite.

Two things before anyone answers the substance.

First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound.

International pricing: the same compound costs very different amounts in different countries because healthcare systems and regulatory frameworks differ. Generally, US prices are higher than other developed nations.

International pricing: the same compound costs very different amounts in different countries because healthcare systems and regulatory frameworks differ. Generally, US prices are higher than other developed nations.

For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.

Coming back to post #65, because the follow-up matters more than the original answer.

Discount programmes and coupons: manufacturers often offer coupons that reduce out-of-pocket costs if insurance is not covering or is covering at a high copay. These have eligibility restrictions but can save money.

Picking up post #65: that is the part I would want checked first.

Pharmacy acquisition cost: a pharmacy pays less than the patient pays, even at insurance rates. That margin is where the pharmacy's costs and profit live.

Worth separating two things that post #65 runs together.

List prices versus negotiated prices: the price a pharmaceutical company publishes and the price an insurance company or pharmacy actually pays differ substantially. List price is not what anyone pays.

Compute cost per delivered dose at your dose if you want a number you can act on. That requires knowing your dose, vial volume, and whether you are using a vial or a pen.

Insurance tier placement: a compound might be covered but on a higher tier (higher copay). Moving to a lower tier usually requires prior authorization or documented failure of cheaper alternatives.

Cost per milligram is the only comparison that survives format differences, but even then it needs care. A pen and a vial are not the same product and cannot be compared on price per milligram alone because dead volume, wastage, and number of doses actually obtainable differ.

post #72 is right about the mechanism and I think understates the practical bit.

Price variation between pharmacies: identical prescriptions can cost different amounts at different pharmacies because pharmacies negotiate individually with insurers and manufacturers.

Worth separating two things that post #70 runs together.

Biosimilars and future generics: as patents expire, biosimilar and generic versions might become available and prices might fall. That has already happened for some proteins; incretin agonist pricing might follow.