[2026 update] Distinguishing expected GI effects from something that needs urgent attention

On the subject in the title: Distinguishing expected GI effects from something that needs urgent attention Working notes rather than a conclusion.

Reporting something rather than asking about it, in case the pattern is useful to anyone else.

Over 20 weeks I logged this consistently: date, dose, time of day, and a simple severity score from 0 to 4 for each symptom. That is 82 data points, all self-reported, all unblinded, and collected by someone who knew what he expected to find. Treat it accordingly.

The reason I am posting is that my experience does not match the shape people usually describe here, and I would like to know whether that is unusual or whether the usual description is just the loudest version.

Pancreatitis: a rare but serious event with a specific presentation (epigastric pain, back pain, elevated lipase). If this constellation of findings appears, stopping the drug and seeking immediate evaluation is appropriate. Do not interpret this as "likely" — it is rare — but recognize the pattern if it appears.

post #2 is right about the mechanism and I think understates the practical bit.

Delayed gastric emptying: the mechanism behind much of the gastrointestinal side-effect profile. At extreme magnitudes, severe gastroparesis is a rare but serious complication. Distinguishing ordinary gastrointestinal effects from the rare severe end is a clinical judgement.

Worth separating two things that post #3 runs together.

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.

Picking up post #2: that is the part I would want checked first.

Timeline matters: onset, duration, pattern over days or weeks, relationship to injection and to meals all provide information that "I have nausea" does not. Posting those details gets better responses than reporting the symptom alone.

Nausea: the most common side effect and the most dose- and titration-dependent one. It is usually most prominent in the first 24 to 48 hours after injection and attenuates as the dose is held stable. At each escalation step it often resets briefly before attenuating again.

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.

On post #4 — agreed on the reasoning, with one qualification.

Vomiting: when it is expected (first-dose reactions or early titration) and when it is a reason to stop and seek help are different. Occasional vomiting during titration is ordinary. Persistent vomiting or vomiting of a new character later in treatment warrants contact with your clinician.

Constipation: common, manageable, and frequently under-reported because it is not dramatic. Increasing fibre and fluid intake helps. Over-the-counter management is usually effective. This is worth addressing proactively rather than waiting for it to worsen.

I read post #8 twice before replying, because I had assumed the opposite.

Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing.

The correction was fair and I had been repeating something I had not checked carefully enough.

Recognition and grading: nausea ranges from "noticeable" to "limiting". Constipation ranges from mild to severe. Having language to describe the magnitude helps you track whether something is worsening or stable and helps your clinician understand what you are reporting.

Injection site reaction: local erythema, nodules, or induration at injection sites is reported by some people. Site rotation, avoiding reinjection into the same area for weeks, and allowing areas that react to recover all reduce the frequency.

I read post #11 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.

This follows post #11 rather than contradicting it.

Fatigue: commonly reported, frequently multifactorial. It is worth asking whether other factors have changed (sleep, training volume, diet adequacy, hydration) before attributing all of it to the compound. Some fatigue resolves with time; some persists.