Saxenda Diarrhea: How Common, How Long It Lasts, What Helps
Yes. In the Saxenda trials, 22.4% of people on Saxenda had diarrhea, against 14.3% on placebo: a little above placebo. Smaller, slower meals help most.
- In the Saxenda label
- Yes, with a rate
- On Saxenda Saxenda
- 22.4%
- On placebo
- 14.3%
Saxenda overview
The half-life is about 13 hours. After 13 h, half has gone; following five half-lives (2.7 d), about 3% remains.
In the SCALE Obesity and Prediabetes, 56 weeks trial, 7.4% of body weight was lost, compared with 3% on placebo.
Information comes from the FDA label on DailyMed.
Saxenda versus placebo: how often it appears
The label trials group Saxenda diarrhea results by dose. The placebo group serves as the comparison in that trial.
| Medicine and dose | Diarrhea | Placebo | More than placebo | People in the trials |
|---|---|---|---|---|
| Saxenda Saxenda | 20.9% | 9.9% | +11 points | Adults with obesity or overweight (weight management) |
| Saxenda Saxenda | 22.4% | 14.3% | +8.1 points | Children 12 and older with obesity |
Source: Saxenda label (DailyMed).
Diarrhea: Saxenda compared with other GLP-1s
Each label covers its own trials, and the participant groups differ. Treat it as rough guidance.
These pill forms are listed in the table as well: Rybelsus, Foundayo.
| Medicine | Highest rate in the label | Dose group | Placebo | People in the trials |
|---|---|---|---|---|
 Wegovy | 30% | 2.4 mg | 16% | Adults with obesity or overweight (weight management) |
 Foundayo | 25% | 17.2 mg | 11% | Adults with obesity or overweight (weight management) |
 Zepbound | 23% | 15 mg | 8% | Adults with obesity or overweight (weight management) |
| Saxenda | 20.9% | all doses | 9.9% | Adults with obesity or overweight (weight management) |
 Mounjaro | 17% | 15 mg | 9% | Adults with type 2 diabetes |
| Byetta | 13% | all doses | 6% | Adults with type 2 diabetes |
 Trulicity | 12.6% | 1.5 mg | 6.7% | Adults with type 2 diabetes |
 Victoza | 12% | 1.8 mg | 4% | Adults with type 2 diabetes |
 Rybelsus | 10% | 14 mg | 4% | Adults with type 2 diabetes |
 Ozempic | 8.8% | 1 mg | 1.9% | Adults with type 2 diabetes |
Sources: Ozempic label (DailyMed), Wegovy label (DailyMed), Rybelsus label (DailyMed), Mounjaro label (DailyMed), Zepbound label (DailyMed), Foundayo label (DailyMed), Trulicity label (DailyMed), Saxenda label (DailyMed), Victoza label (DailyMed), Byetta label (DailyMed).
The source is the FDA label (DailyMed).
Why it happens on Saxenda
These medicines slow stomach emptying. Diarrhea can come on when food sits longer, especially after meals that are big or fatty.
Source: health.clevelandclinic.org.
Details stated in the Saxenda label
The label names diarrhea here, using these exact words:
“of the reported events occurred in patients who had experienced gastrointestinal reactions leading to dehydration such as nausea, vomiting, or diarrhea [see Adverse Reactions (6.1)].”
The source is the FDA label (DailyMed).
What helps, step by step
- Use water and an electrolyte drink to replace fluids and salts.
- For a while, eat soft, bland foods with little fiber.
- Cut back on caffeine, alcohol and milk drinks.
- Talk with your prescriber about an anti-diarrhea medicine from a drugstore.
- When you feel full, stop eating, and choose smaller meals Your stomach empties more slowly when you take these medicines.
- Eat slowly. Your brain needs time to register when you are full.
- Let your prescriber know if it does not ease. Your prescriber may increase doses more slowly or suggest another GLP-1.
Before taking anything from the drugstore, check it with the GLP-1 interactions checker.
Source: health.clevelandclinic.org.