Compare Crestor vs. Omega 3 Acid

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Crestor
(Rosuvastatin)

Lovaza
(Omega-3 Acid)

Lowers cholesterol. Crestor (Rosuvastatin) is one of the most effective statins to improve cholesterol, but the brand name medication is expensive. Statin side effects can be difficult to deal with, but the benefits might outweigh the risks.Lowers triglycerides. Omega-3 Acid is good for lowering triglycerides (fats), but some people can't take it due to allergies.
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
5.017333333333333Crestor
Reviews for Crestor (Rosuvastatin)
61%
of people say Crestor (Rosuvastatin) is worth it
47%
say it works well
15%
say it's a big hassle
Reviews for Lovaza (Omega-3 Acid)
59%
2% vs. Crestor (Rosuvastatin)
50%
+3% vs. Crestor (Rosuvastatin)
28%
13% vs. Crestor (Rosuvastatin)
Side effects
CrestorOmega 3 Acid
  • Headache 4%
  • Constipation 3%
  • Joint pain 3%
  • Nausea 3%
  • Muscle weakness 2%
  • Muscle pain 1%
  • Dizziness 1%
  • Diabetes mellitus 1%
More Crestor side effects »
  • Eructation 3%
  • Indigestion 1%
More Omega 3 Acid side effects »
How it works
CrestorOmega 3 Acid
Crestor (Rosuvastatin) is cholesterol-lowering medicine called a statin. It lowers the amount of cholesterol your body makes, which helps lower "bad" cholesterol (LDL) and raise "good" cholesterol (HDL).Omega-3 Acid is a cholesterol-lowering medicine. Researchers don't know exactly how it works, but it may help the liver remove triglycerides from your body, and also prevent your body from making more triglycerides.
Type of medication
CrestorOmega 3 Acid
Cholesterol-lowering
Statin
Prescription only
Cholesterol-lowering
Omega-3 fatty acid
Prescription only
Available as
CrestorOmega 3 Acid
  • Pill
  • Pill
Used for (click to learn more)
CrestorOmega 3 Acid
Risk factors for serious side effects
CrestorOmega 3 Acid
    • Heavy alcohol use
    • Prior history of chronic liver disease
    • Pregnancy
    Detailed Crestor (Rosuvastatin) risks & warnings »
    • Allergy to fish or shellfish
    • Atrial fibrillation
    Detailed Lovaza (Omega-3 Acid) risks & warnings »
    Pregnancy category
    CrestorOmega 3 Acid
    XFDA pregnancy category (Unsafe)

    Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

    See the FDA package insert
    CFDA pregnancy category (Weigh risks vs. benefits)

    Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

    See the FDA package insert
    Alcohol
    • You're at higher risk for these side effects if you are female, are 65 years or older, drink alcohol every day, take more than one medicine for cholesterol, or have liver disease, kidney disease, or diabetes.
    No specific alcohol-related info.
    Food
    No specific food-related info.
    • You have to take it with food.
    • Take it with food.
    Kidneys and liver
    • Statins can cause digestive problems, blood sugar problems, muscle aches and stiffness, muscle injury, kidney damage, and liver damage. Some people have to stop taking this medicine because of these problems.
    • You're at higher risk for these side effects if you are female, are 65 years or older, drink alcohol every day, take more than one medicine for cholesterol, or have liver disease, kidney disease, or diabetes.
    • People on Crestor (Rosuvastatin) have reported muscle pain which may lead to muscle and kidney damage. This has been very rare. Talk to your doctor if you develop sudden muscle pain or weakness or fever and you don't know why.
    No specific kidneys and liver-related info.
    Sex
    No specific sex-related info.No specific sex-related info.
    Sleep
    No specific sleep-related info.No specific sleep-related info.
    Weight
    No specific weight-related info.No specific weight-related info.
    Upsides and benefits
    CrestorOmega 3 Acid
    • Lowers "bad" cholesterol (LDL) and triglycerides (fats) and raises "good" cholesterol (HDL) in people who have trouble doing this through diet and exercise.
    • Slows down the buildup of fatty deposits in your blood vessels, otherwise known as hardening of the arteries.
    • In clinical studies, Crestor has the strongest effect on lowering "bad" cholesterol compared to other statins.
    • Can lower the risk of heart attack, stroke, and death, particularly if you have diabetes, high blood pressure, obesity, or a history of smoking.
    • Lowers triglycerides (fats) when combined with exercise and a low cholesterol diet.
    • In studies, Omega-3 Acid has lowered the risk of stroke and heart attack leading to death, especially in people with high cholesterol or high triglycerides.
    Downsides and risks
    CrestorOmega 3 Acid
    • Even with a generic available in 2016, can be expensive.
    • Statins can cause digestive problems, blood sugar problems, muscle aches and stiffness, muscle injury, kidney damage, and liver damage. Some people have to stop taking this medicine because of these problems.
    • You're at higher risk for these side effects if you are female, are 65 years or older, drink alcohol every day, take more than one medicine for cholesterol, or have liver disease, kidney disease, or diabetes.
    • Not safe to use if you're pregnant.
    • You can't take it if you're allergic to fish or shellfish.
    • You have to take it with food.
    Tips from our pharmacists for people taking the medication
    CrestorOmega 3 Acid
    • Lowers bad cholesterol and triglycerides, and raises good cholesterol.
    • Don't take antacids for at least 2 hours before and after taking this medicine.
    • Tell your doctor if you develop sudden muscle pain, fever, or weakness.
    • Tell your doctor if you notice dark urine or yellowing of the eyes or skin.
    • Lowers triglycerides.
    • Take it with food.
    • Swallow capsules whole.
    • Can cause burping and changes in taste.
    • Don't use if you have an allergy to fish or shellfish.
    • You should use this medicine in combination with a healthy diet.
    Learn more
    More about CrestorSide effectsReviews & ratingsAlternativesFDA package insert
    More about Omega 3 AcidSide effectsReviews & ratingsAlternativesFDA package insert