HRouhani

TL1 Member · Ipswich, UK

Newer member working through the reference pages before asking anything.

Joined 20 June 2025 · last posted 3d

32 posts, newest first. Showing up to 150.

I joined for one answer and stayed for a year — what changed my mind Replied, post #107 · Start Here › Welcome · 25 Jul 2026 · 8 likes First week here. The thing I would tell someone arriving behind me is that the answers are slower and much better than anywhere else I have looked, and that trying to…
Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #25 · Practice › Interactions · 14 Jul 2026 · 22 likes A note on scope: what I am saying about Delayed gastric emptying and oral applies to the case in the first post and I would not extend it further without checking.
Ultrasound and skinfolds: operator dependence in practice Replied, post #37 · Outcomes › Body composition · 30 Jun 2026 · 19 likes The thing about ultrasound and skinfolds that took me longest to accept is that a plausible mechanism is not evidence of an effect. It is a reason to look, not a result.
Anaesthesia and elective surgery: the aspiration question Replied, post #54 · Practice › Interactions · 18 Mar 2026 · 3 likes Following this. I have the same question and no better information than the first post.
Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #143 · Compounds › Semaglutide · 13 Mar 2026 · 3 likes Solutions of semaglutide can look faintly opalescent without anything being wrong. Visible particulate, fibres or frank cloudiness are a different observation entirely…
The headache that turns out to be dehydration Replied, post #149 · Nutrition & Training › Hydration & electrolytes · 22 Jan 2026 · 2 likes Adding salt to food is the intervention most consistently reported as helping and is also the one least likely to cause harm. If this contradicts something upthread,…
Why an oral GLP-1 agonist is a formulation achievement more than a chemistry one Replied, post #107 · Compounds › Oral incretins · 23 Dec 2025 · 19 likes PIONEER 6 was a cardiovascular safety trial for oral semaglutide, not an efficacy trial. Non-inferiority for safety was demonstrated. The point estimates favoured the…
Revisiting: Aggregates and why a purity assay may miss them entirely Replied, post #34 · Analytics › Impurities & related substances · 21 Nov 2025 · 9 likes A request rather than an answer: could whoever has the primary source for Aggregates post it? I have seen the claim three times this month and each version had lost a…
Revisiting: Reading order for a first week here, and what to skip until later Replied, post #2 · Start Here › Welcome · 19 Nov 2025 · 1 like First week here. The thing I would tell someone arriving behind me is that the answers are slower and much better than anywhere else I have looked, and that trying to…
Where to report an adverse event officially, by region — a second dataset Replied, post #117 · Safety › Adverse events · 10 Nov 2025 · 30 likes Medullary thyroid carcinoma is the reason these compounds are contraindicated in people with personal or family history of MTC or multiple endocrine neoplasia type 2.…
Long-time reader, first-time poster Replied, post #8 · Lounge › Introductions · 7 Nov 2025 · 7 likes New, no scientific background at all, and slightly intimidated by the first three topics I opened. Is there a sensible on-ramp for someone who is here for practical…
Payment method and the leverage it gives you, ranked Replied, post #72 · Sourcing › Payments · 25 Sep 2025 · 21 likes Narrowing post #71, because the general version has more than one answer. Fraud and scams: if a supplier demands payment upfront with no recourse if delivery fails, you…
Titles that describe the question, not the situation Replied, post #79 · Start Here › How to Ask · 24 Aug 2025 · 3 likes Post #77 answers the question as asked. The question underneath it is different. If the answer you got does not fit your case, say which part does not fit rather than…
Tirzepatide molecular mass and the charge states you would expect on ESI Replied, post #6 · Compounds › Tirzepatide · 24 Aug 2025 · 30 likes The arithmetic in post #4 is right; the assumption feeding it is the part to check. The published pharmacokinetics show dose proportionality across the studied range,…
[2026 update] Journal club: is percentage weight change the right endpoint? Replied, post #25 · Evidence › Journal club · 13 Aug 2025 · 0 likes Adding a data point of agreement rather than a data point.
Promotion criteria, and the one that stops most nominations — the long version Replied, post #34 · Documentation › Doc review · 1 Aug 2025 · 6 likes I will take the caveat as seriously as the claim, which is the point of putting it there.
What this community means by "a source", in practical terms Replied, post #51 · Start Here › Welcome · 29 Jul 2025 · 0 likes First week here. The thing I would tell someone arriving behind me is that the answers are slower and much better than anywhere else I have looked, and that trying to…
Coming back to: Lurking for two months before posting: was that the right call? Replied, post #10 · Start Here › Welcome · 6 Jul 2025 · 2 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
Pregnancy as an absolute contraindication Replied, post #56 · Safety › Contraindications · 19 May 2025 · 1 like A rodent toxicology finding underlying a contraindication is worth understanding, because it explains why the contraindication is narrow rather than broad. It is a…
Validating a calculator against hand arithmetic — what changed since Replied, post #52 · Data & Tools › Calculators · 6 May 2025 · 7 likes Tools that run entirely in the browser send nothing anywhere, which matters more to some people here than others and is worth stating either way. I am not the right…
Bleeding at the injection site: normal, and what to do about it — does this still hold? Replied, post #19 · Practice › Administration · 14 Apr 2025 · 0 likes Drawing up with one needle and injecting with another: a reasonable practice if you have extra needles. Fresh needle for injection reduces tissue drag and can decrease…
Adjudicated events and why the definition matters — the long version Replied, post #89 · Evidence › Trials · 9 Apr 2025 · 19 likes Noted, and thank you for writing it out rather than summarising it.
What SELECT changed about how semaglutide is discussed, and what it did not Replied, post #53 · Compounds › Semaglutide · 26 Mar 2025 · 0 likes Second this, and I would have said it less carefully.
One lot is one lot: when a report becomes a pattern — the long version Replied, post #146 · Sourcing › Vendor reports · 19 Mar 2025 · 5 likes Do not adjust a reported figure. Post what the laboratory said and put your interpretation in a separate sentence.
A 5 mg vial and a 0.25 mg dose: the arithmetic in full — the long version Replied, post #13 · Practice › Reconstitution · 14 Jan 2025 · 12 likes Answering the question post #11 raises rather than the one it answers. Concentration is total mass divided by total volume, and everything else follows from that. Ten…
Isotonicity and what happens when you get it wrong Replied, post #24 · Pharmacology › Formulation chemistry · 11 Jan 2025 · 12 likes Emulsification and suspensions: some formulations are emulsions or suspensions rather than solutions. Semaglutide formulations are solutions; some other compounds are…
Dose numbers for oral formulations are not comparable to injectable ones — a second… Replied, post #32 · Compounds › Oral incretins · 8 Jan 2025 · 0 likes Dose numbers for oral formulations are not comparable to injectable ones. The 14 mg oral dose is not equivalent to any injectable dose in the traditional comparison…
Persistent vomiting and the threshold for seeking help — one year on Replied, post #26 · Safety › Adverse events · 21 Dec 2024 · 0 likes I would rather this thread reach "we do not know" about Persistent vomiting than reach a confident answer that nobody can support when asked.
EMA product information as a primary source — does this still hold? Replied, post #150 · Regional › European Union · 19 Nov 2024 · 2 likes Agreed on EMA product information, with one qualification that I think matters. The reasoning holds for the case as described. Change the starting assumption and it…
Meeting a protein target on a suppressed appetite — does this still hold? Replied, post #8 · Nutrition & Training › Protein & intake · 16 Nov 2024 · 1 like Meeting protein targets on suppressed appetite: this is where the practical difficulty lies. Eating more protein when appetite is suppressed is genuinely hard.…
Pen wastage and its effect on real cost Replied, post #33 · Access › Pricing · 10 Oct 2024 · 8 likes Post #31 is right about the mechanism and I think understates the practical bit. Cost per week at a maintenance dose is the figure most people actually want and least…
Second pass at: A field-by-field walk through a certificate of analysis Replied, post #33 · Analytics › COA interpretation · 21 Aug 2024 · 28 likes Adding a note of thanks rather than an opinion. I did not know most of that.