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c/compounding·posted 8 months ago by u/gallbladder_gary

[Discussion] the shortage list advice in here is 3 years out of date

Discussion Cold Box ×1 Clean Column ×2

the shortage list advice in here is 3 years out of date, and I am aware this is a minority view on this board.

The numbers the title promised, since a headline without them is worthless: 3 years. Everything below is context for those.

Asked for the beyond-use date basis and got a real answer with a stability reference attached. Not universal, apparently.

Switched between two compounded preparations and the concentration on the label was different. Redid the arithmetic on paper before drawing anything.

Tell me where this is wrong. That is the useful part of posting it.

2,439 up / 86 down97% upvoted47 commentsid 1o932927 Nov 2025

47 comments

30 in this archive, depth 6

best — the order this archive was captured in

u/hugo_bergstrom320 points·8 months ago

Nothing in this thread is medical advice, and the choice between arrangements is one for you and a prescriber who knows your history.

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u/sigrid_kaufmann-16 points·8 months ago

503A is patient-specific, 503B is outsourcing facility, they are not the same thing

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u/helga_vermeulen192 points·8 months ago

The intake asked me three questions and none of them were about my history. That told me everything I needed to know about the model.

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u/ruben_cabrera81 points·8 months ago

Right, and the concentration genuinely can differ from the branded product, which breaks people’s arithmetic.

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u/sofia_nascimento65 points·8 months ago

Careful. Naming a clinic without describing what actually happened turns this into a different kind of thread.

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u/hydration_hank35 points·8 months ago

Same view. If the intake asked you nothing, the intake was a formality and you should factor that in.

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u/honest_syringe_2025118 points·8 months ago

This. Compounded preparations carry no equivalence claim, and treating them as generics is a category error people make constantly.

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u/naomi_erdogan96 points·8 months ago

This.

Disagreeing with this bit: registration is not equivalence, and the two get run together constantly.

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u/lukas_vermeulen35 points·8 months ago

the shortage list is the whole legal hinge and people skip it

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u/gallbladder_garyOP20 points·8 months ago

Did they name the facility?

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u/prior_auth_painMOD68 points·8 months ago·edited

Added a jurisdiction tag — the answers to this question are completely different in different countries.

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u/gallbladder_garyOP40 points·8 months ago

Who is the prescriber, and are they the same organisation as the pharmacy?

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u/priya_palacios17 points·8 months ago

Cosigning the beyond-use date question. What it is based on tells you whether anybody has done stability work.

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u/gallbladder_garyOP9 points·8 months ago

What is the beyond-use date and what is it based on?

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u/julia_erdogan7 points·8 months ago

Asked which facility and got a name straight away. Looked it up, found the registration, felt considerably better about the whole thing.

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u/lift_heavy_thingsresistance training3 points·8 months ago

ask which facility, then ask for their testing

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u/bilal_osei22 points·8 months ago

Small fix — 503B facilities register with the regulator; 503A pharmacies are licensed by the state board. Different mechanisms.

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u/vikram_mbeki47 points·8 months ago

Correction: patient-specific refers to the prescription, not to a bespoke formulation. Common misreading and it changes the argument.

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u/burned_once_twice15 points·8 months ago

do not assume the concentration matches the branded product

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u/kian_ferreira82 points·8 months ago

Concentration on the compounded vial was different from what I had been using and I nearly did the arithmetic on autopilot.

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u/marit_laurent18 points·8 months ago

a telehealth intake that asks nothing has told you what it is

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u/rohan_steiner5 points·8 months ago

salt forms are the recurring argument and the answer is boring

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u/ferran_mensah10 points·8 months ago

That figure is the starting material purity, not the finished preparation potency. Two different tests.

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u/amara_kuipers8 points·8 months ago

That is not what patient-specific means. It refers to the prescription, not to a customisation of the formula.

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u/niels_roos46 points·8 months ago

Kept the label from every vial. When the shortage status changed, having the paper trail made the conversation much shorter.

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[deleted]18 points·8 months ago

[deleted]

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u/hugo_bergstrom14 points·8 months ago

The shortage list is the legal hinge: the permissions that allow certain compounding to happen at scale are tied to a drug’s shortage status, which changes.

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u/ireland_drugs_pay36 points·8 months ago

Paid noticeably more at one clinic than another for what turned out to be the same facility behind both.

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u/prior_auth_painappeals21 points·8 months ago

The five questions worth asking before you commit to any compounded arrangement.

Which facility, by name. Whether it is a 503A pharmacy or a 503B outsourcing facility. What concentration is on the label. What the beyond-use date is based on. Whether there is potency testing on the finished preparation rather than only on the starting material.

All five are answerable in one email and the pattern of what comes back is more informative than any of the individual answers. An organisation with a quality system finds these questions ordinary.

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u/clara_danquah11 points·8 months ago·edited

The five questions worth asking before you commit to any compounded arrangement.

prior_auth_pain is right about the concentration trap. It breaks arithmetic that has been reliable for months.

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About c/compounding

Compounded GLP-1s as a supply route: the 503A/503B distinction, the shortage-list mechanics that made compounding legal and then didn't, state board rules, telehealth prescriber models, and what a compounding pharmacy will and will not tell you about its API source.

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