Most Common Side Effects of Vascepa
Vascepa (icosapent ethyl), used to lower triglycerides in adults with specific cardiovascular risks, most often causes joint pain, affecting about 3% of patients in clinical trials—higher than the 2% seen with placebo.[1][2]
What About Bleeding Risks?
Bleeding events occur more frequently with Vascepa than placebo, including nosebleeds (epistaxis) in 2.5% vs. 1.5%, easy bruising, and gum bleeding. Severe bleeding is rare but possible, especially with blood thinners like aspirin or anticoagulants.[1][2][3]
How Does It Affect Blood Sugar or Muscles?
Some patients report muscle pain or spasms (2-3%), back pain, or elevated blood sugar levels, which can worsen diabetes control. Atrial fibrillation or palpitations appear in under 2% of cases.[2][3]
Side Effects Patients Search For Most
- Gastrointestinal issues: Constipation, nausea, or diarrhea in 1-2%.
- Rash or skin reactions: Mild allergic responses.
- Headache or fatigue: Occasional reports.
These are generally mild and resolve without stopping treatment.[1][3]
When Do Side Effects Start and How Long Do They Last?
Most emerge within weeks of starting and are dose-related (4g daily increases risk vs. lower doses). They often fade over time; doctors monitor via blood tests for triglycerides and A1C.[2]
Risks for Specific Groups
Pregnant or breastfeeding patients face unknown fetal risks—avoid use. Those with fish allergies may react due to its fish-oil derivative, though purified.[1][3] No major liver issues reported.
What If You Experience Severe Symptoms?
Seek immediate care for heavy bleeding, chest pain, swelling, or allergic signs like hives or breathing trouble. Report to FDA via MedWatch.[3]
[1]: Vascepa Prescribing Information (FDA)
[2]: Drugs.com - Vascepa Side Effects
[3]: Vascepa.com - Safety Information