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c/compounding·posted 11 months ago by u/incretin_ivy

the 503A thing finally clicked for me and I want to write it down

Discussion Cold Box ×4 Clean Column ×2

Confession thread, sort of.

I went from 15mg to 7.5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 7 weeks later, at which point I had no way of knowing whether the dose increase did anything or whether it would have broken anyway.

So now I have reflux I did not need and a data point I cannot interpret. Two lessons in one.

Posting it in the hope that somebody at week 81 reads it before doing the same thing.

1,906 up / 220 down90% upvoted40 commentsid j6v8p529 Aug 2025

40 comments

14 in this archive, depth 4

best — the order this archive was captured in

u/ilias_cabrera141 points·11 months ago

This is correct. The shortage list does expire and the rules change.

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u/rafael_ostergaard93 points·11 months ago
this is the third time this week and i love it every time
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u/sofia_danquah137 points·11 months ago

Are we talking 503A or 503B?

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u/prior_auth_painMOD54 points·11 months ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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u/santiago_rasmussen16 points·11 months ago

This is an urgent-care question wearing a forum question's clothes.

Yes, exactly this, and it is the bit that took me 8 weeks to accept.

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u/rina_sobczak4 points·11 months ago

regulatory claims need a citation to the actual rule, not interpretation

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u/swirl_dont_shakereconstitution43 points·11 months ago
oh thank god it is not just me
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u/helga_vermeulen65 points·11 months ago

Yeah, 503A and 503B are different regulatory animals.

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u/rohan_steiner17 points·11 months ago

Yeah, 503A and 503B are different regulatory animals.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/anya_antonsen-2 points·11 months ago

shortage list status is telehealth, check the actual list

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u/hugo_bergstrom7 points·11 months ago

state board rules differ, say which state

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u/hassan_chowdhury12 points·11 months ago

regulatory claims need a citation to the actual rule, not interpretation

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u/pavel_kravchenko6 points·11 months ago

Yeah, 503A and 503B are different regulatory animals.

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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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