Why does Vascepa (icosapent ethyl) cause an upset stomach?
Vascepa can irritate the gastrointestinal tract for some people. Reported stomach-related effects commonly include nausea, stomach pain or discomfort, and indigestion-like symptoms, which can feel like an “upset stomach.” This is a known side effect for some users of prescription omega-3 products. [1]
What symptoms count as “upset stomach” with Vascepa?
People may describe:
- Nausea
- Upper abdominal discomfort or pain
- Indigestion/heartburn
- Vomiting (less commonly)
If symptoms are severe or you can’t keep fluids down, treat it as urgent rather than “just stomach upset.” [1]
How can you reduce stomach side effects from Vascepa?
The prescribing information notes that taking Vascepa with food can improve tolerability for some patients, since it may reduce the likelihood of nausea or stomach discomfort compared with taking it on an empty stomach. [1]
Practical approach many clinicians use:
- Take it at the same times each day
- Take each dose with a meal (not on an empty stomach)
- Avoid taking it with very light snacks if nausea tends to worsen (some people do better with a fuller meal)
Do not change your dose without speaking to your prescriber.
When should you call your doctor about Vascepa stomach problems?
Contact your clinician promptly if you have:
- Severe or worsening abdominal pain
- Persistent vomiting
- Blood in vomit or black/tarry stools
- Signs of an allergic reaction (swelling, hives, trouble breathing)
These are not typical mild “upset stomach” effects and need medical evaluation. [1]
What else could be causing the nausea?
Upset stomach can also be affected by:
- Other medications you take (including those that also irritate the stomach)
- Acid reflux/GERD
- Recent changes in diet or timing of doses
- Taking the capsules without food
A clinician can help sort out whether symptoms align with Vascepa timing and dose. [1]
Are there alternatives if stomach side effects persist?
If Vascepa consistently causes intolerable GI symptoms, your prescriber may consider:
- Adjusting the timing with meals
- Switching therapies for triglycerides/ASCVD risk reduction
The right alternative depends on why you’re taking Vascepa (for example, high triglycerides vs. cardiovascular risk reduction) and your overall health history.
What should you do if you missed a dose?
If you miss a dose, take it when you remember unless it’s close to the next scheduled dose. Don’t double up. If dose timing worsens nausea for you, ask your prescriber how to best fit missed-dose rules into meals.
Sources:
1. https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=206829