Week 17: Stepping Up to 2.4mg
The final step on the standard Wegovy ladder. 2.4mg is the target dose used in the STEP trials and the level where long-term maintenance generally happens. Brief side effect flares are common after the jump.
Week 17 is the final titration on the standard schedule. The jump from 1.7mg to 2.4mg is smaller than the previous step in absolute terms, but it can still produce a brief return of nausea, fatigue, or low appetite as the body adjusts. By the second injection at this dose most users are settled, but the first week tends to require a little extra care with food, fluids, and rest.
2.4mg is the dose used as the target in the STEP 1 trial — the same trial that produced the often-cited mean weight loss numbers for semaglutide. It is also the dose that most users settle into for long-term maintenance, though some hold lower. Reaching this rung of the ladder is a real milestone, even if the week itself does not feel dramatic.
Appetite Suppression
Suppression often deepens further at 2.4mg, though many users report the difference from 1.7mg is smaller than the earlier steps.
Loss often picks back up briefly after the final titration as appetite drops again. Long-term weekly loss tends to settle to a slower pace.
The Week 17 Timeline
The Week 17 Timeline
Day 113 (Injection 17)
First 2.4mg Dose
The first injection at the target dose. Expect the next two or three days to feel a little more intense — mild nausea, lower appetite, possibly some fatigue.
Days 115-117
Adjustment Window
Smaller meals, more water, lighter movement. Symptom flares after the final titration are usually shorter and milder than the earlier steps.
Day 119
Settling In
By the end of the week, most users find 2.4mg has become the new baseline. The appetite picture is quieter than at 1.7mg, and energy is back to normal.
Navigating Symptoms
Adjustment effects at this step tend to be shorter than the earlier titrations. If side effects are severe or last more than a week, contact your prescriber before the next injection.
What to focus on this week is gentle pacing. The medication is doing more, which means it is genuinely easier to under-eat, under-drink, and under-rest. The most common mistake at the top of the ladder is treating the lower appetite as a free pass — eating very little, skipping protein, dropping activity — and ending up tired, light-headed, and underperforming a week or two later. The dose works best when intake and effort scale to match it.
It is also worth resetting expectations on weight. The STEP 1 trial shows that average weekly loss slows as the cumulative loss grows — total mean loss of around 14.9% by twelve months reflects a curve that flattens, not a straight line. The work at 2.4mg is at least as much about maintenance and habit consolidation as it is about hitting new lows on the scale.
What Users Report
“Reaching 2.4mg felt like a real milestone. The first shot was a little rough on day two, but by the weekend I was back to normal — just with even less appetite.”
— Camille H.
“I had a harder time with the 2.4mg jump than I expected. Took about five days to feel right. My doctor said to give it another week and reassess if it didn't settle.”
— Joel R.
Looking ahead
Week 18 is the first full settled week on 2.4mg. The titration is done, the schedule's adjustments are behind you, and the long work of maintenance and habit consolidation begins. Watching how the first month at the target dose goes shapes the rest of the journey.