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c/tirzepatide·posted 11 months ago by u/emil_okwuosa

is it normal to get constipation at week 87

Side Effects Receipts ×7

is it normal to get constipation at week 87, and the part I actually want to talk about is at the bottom.

Came off sema and onto tirz with a two-week gap. The first month was flat and I assumed I had made a mistake. Month two it moved.

Went 10 to 12.5 on the calendar and had the worst fortnight of the whole run. Dropped back to 10 and everything settled.

Please do not ask me what dose you should be on. I genuinely do not know and neither does anyone else here.

1,185 up / 295 down80% upvoted45 commentsid qmuppd30 Aug 2025

45 comments

21 in this archive, depth 5

best — the order this archive was captured in

u/b12_baseline132 points·11 months ago

SURMOUNT-1 ran 72 weeks with the top arm around 21% mean body weight change. SURPASS is the diabetes programme and reports glycaemic endpoints, so quoting the two interchangeably is a category error.

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u/emil_okwuosaOP84 points·11 months ago·edited

Appetite effect for me is flat across seven days. On sema it was a wave. Same person, different molecule.

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u/zeynep_ndiaye127 points·11 months ago·edited

It is a dual GIP and GLP-1 receptor agonist, and the GIP arm is the part that has no equivalent in the semaglutide threads. That is why the side-effect profile reads differently rather than just milder.

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u/titration_marshalmod · c/semaglutide31 points·11 months ago

Week 68 was the first time the scale moved after a five-week stall. I changed nothing in that window.

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u/aurel_lindqvist13 points·11 months ago

The distribution matters more than the mean. In the trial population the interquartile spread was wide enough that two honest people can have completely different runs on the same arm.

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u/thyroid_tangent79 points·11 months ago

Disagree with the conversion table. There is no validated equivalence between the two molecules and posting one as though there is does real damage.

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u/emil_okwuosaOP60 points·11 months ago

week 3 is early to draw any conclusion at all

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u/customs_seizure_sid46 points·11 months ago

Weekly dosing again, half-life in the same neighbourhood as sema, so a step change takes about a month to reach steady state. Judging a new step at day five is judging noise.

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u/zaid_balogun11 points·11 months ago

The four-week interval in the label is a minimum. Nothing about the pharmacology requires you to step on schedule, and the trials stepped on a calendar because trials have to.

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[deleted]19 points·11 months ago

[deleted]

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u/marit_sandvik10 points·11 months ago

What step are you on and how long have you been there?

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u/signe_villalobos43 points·11 months ago

Sulphur burps for the first eight days after each step, then nothing. Predictable enough that I planned my week around it.

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u/ahmed_fonseca35 points·11 months ago

hold the dose that works, the ladder is not a leaderboard

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u/piotr_nascimento41 points·11 months ago

Cosigning the four-week thing. It is a minimum interval, and treating it as a schedule to keep up with is how people end up miserable at 12.5.

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u/rania_marchand-21 points·11 months ago

a lot of people plateau nicely at 10mg and never need 15

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u/vito_chowdhury23 points·11 months ago

Push back: "gentler than sema" is a population statement. Plenty of people on this board have the opposite experience and they are not doing it wrong.

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u/emil_okwuosaOP14 points·11 months ago

That percentage is body weight change, not body fat. Different measurement, and the distinction gets lost every time.

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u/yusuf_ramos12 points·11 months ago

the appetite effect is blunter than sema, in a good way, most weeks

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u/sanne_novak8 points·11 months ago·edited

The 21% figure is a 72-week mean on the highest arm. Quoting it as what someone should expect by week 2 is not a fair reading.

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u/bastian_eriksen5 points·11 months ago

Right. And the sema-to-tirz "conversion" people post is invented. There is no published equivalence.

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u/tarek_lokken1 point·11 months ago·edited

24kg over 59 weeks, never went past 10mg, and sulphur burps stayed mild the whole way. Posting because the loud threads are all 15mg.

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About c/tirzepatide

Tirzepatide-specific discussion: the dual-agonist pharmacology, the 2.5 → 15mg ladder, the appetite profile people describe as different from semaglutide, and the SURMOUNT/SURPASS trial programme. Comparisons with semaglutide are welcome as long as they are specific about dose equivalence being unknown.

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