By Alsen Walker · Editorially reviewed on 25 August 2026 · Not medically reviewed by a clinician

These medications are started low and increased in steps, because beginning at a full dose would make most people too unwell to continue. The schedule is a framework rather than a fixed timetable, your prescriber sets the pace, and it can be slowed. Almost every dosing problem people run into comes from treating the schedule as compulsory.

Do not adjust your own dose. Not upward to speed progress, not downward to manage symptoms, and not by splitting, skipping or stretching intervals. Every one of those is available properly by asking, and doing it yourself affects dosing accuracy, your titration and sometimes your insurance authorization.

Why it starts so low

The starting dose exists for tolerance, not for results. Little may happen in the first weeks, and that is the design rather than a sign it will not work for you.

People who do not know this often conclude the medication is failing and ask to escalate faster, which is the opposite of what tolerance requires.

GLP-1 Timeline: When Do You Feel It Working

The titration schedules

Each product has its own steps, intervals and maximum dose. They are not interchangeable, and there is no reliable published conversion between molecules.

Wegovy Dosing Schedule: Complete Titration Chart

Slowing down is a real option

Extending time at a dose is a recognised clinical approach, not a concession. Reasonable grounds to ask: symptoms not easing after a couple of weeks at a new dose, being unable to eat or drink adequately, missing work or sleep, or losing weight faster than is comfortable.

Stepping back down to a previously tolerated dose is also available. People often frame the choice as continue or stop, when there is considerable room between the two.

Can You Stay on a Lower Dose Long-Term Slow Titration: When and Why to Extend a Dose Dose Too High: Signs You Escalated Too Fast

Practical administration

Approved injection sites are considered equivalent for these products, so choose on comfort and rotate. Most injection pain is not the needle: it is cold medication, wet alcohol, or a reused needle.

Storage rules differ between products and between pens and vials, and the room-temperature allowance is cumulative rather than resetting each time it goes back in the fridge.

Best Injection Sites: Stomach, Thigh, or Arm Needle Sizes and Reducing Injection Pain How to Store GLP-1 Pens (and If Left Out) Pen vs. Vial vs. Syringe: Administration Differences

When things go off schedule

Missed doses, changed injection days, travel and breaks all have their own answers, and the specifics differ by product. What is consistent is that doubling up to catch up is never the answer.

After a longer break, tolerance falls, and restarting at your previous dose is often not advised. Ask before you inject.

What to Do If You Miss a GLP-1 Dose Injection Day: How to Pick and Change It Traveling with GLP-1 Pens: TSA and International Rules Restarting After a Break: Do You Re-Titrate

When it seems to stop working

Usually a plateau rather than tolerance. Weight loss slows as you get lighter because a smaller body needs less, and intake tends to creep back as side effects fade. Both are expected.

The most common self-directed error at this point is raising your own dose, which produces side effects rather than results.

GLP-1 Weight Loss Plateau: Causes and Fixes When Your GLP-1 Stops Working: Tolerance Explained

Switching, and what not to improvise

Switching between products means re-titration, a new prior authorization, and a starting dose your prescriber decides. There is no dose equivalence table worth trusting, including for two brands of the same molecule.

Never take two products containing the same active ingredient in the same period.

Switching Semaglutide to Tirzepatide: Dose Conversion Switching from Ozempic to Wegovy

The thing to take from this cluster

Pace is adjustable and accuracy is not. Ask for the first; never improvise the second.

Every guide in this cluster