The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Diarrhea (13%)
- Bloating or swelling in the stomach area (12%)
- Common cold symptoms (12%)
- Passing gas (9%)
- Constipation or not having bowel movements often (5-9%)
- Headache (7%)
- Stomach pain (5%)
- Nausea (5%)
In clinical studies, there were no overall differences in the rate of side effects between those using Plenity and those using placebo.
Less Common Side Effects
- Other upper respiratory infections
- Joint pain
Plenity serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Severe allergic reaction: trouble breathing; swelling of the body or lips
- Severe stomach pain
- Severe diarrhea
Source: Prescribing Information

