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. It's also available as a generic.Lowers triglycerides. Omega-3 Acid is good for lowering triglycerides (fats), but some people can't take it due to allergies.
Find lowest prices
Powered by GoodRxSave on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance.
Coupons for
Prices and coupon for 30 (10mg) tablets of rosuvastatin
No pricing data for this drug at this filter setting. Try searching onGoodRx
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.02Crestor
Reviews for Crestor (rosuvastatin)
60%
of people (All ages) say Crestor (rosuvastatin) is worth it
47%
say it works well
15%
say it's a big hassle
751 reviews
Have you used Crestor (rosuvastatin)?
Worth itNot sureNot worth it
Reviews for Lovaza (omega-3 acid)
59%
-1% worse vs. Crestor (rosuvastatin)
50%
+3% better vs. Crestor (rosuvastatin)
28%
-13% worse vs. Crestor (rosuvastatin)
Have you used Lovaza (omega-3 acid)?
Worth itNot sureNot worth it
Side effects
CrestorOmega 3 Acid
  • Headache 1%
  • Nausea 1%
  • Muscle pain 2%
  • Joint pain 1%
  • Diabetes mellitus 1%
  • Dizziness 1%
More Crestor side effects »
  • Eructation 3%
  • Change in taste 4%
  • Indigestion 1%
More Omega 3 Acid side effects »
How it works
CrestorOmega 3 Acid
Crestor (rosuvastatin) is a statin medication that changes the amount of cholesterol your body makes. It lowers "bad" cholesterol (LDL) and improves your "good" cholesterol (HDL) levels.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
Prescription only
Prescription only
Available as
CrestorOmega 3 Acid
  • Pill
  • Pill
Used for
CrestorOmega 3 Acid
Risk factors for serious side effects
CrestorOmega 3 Acid
  • Taking Coumadin (warfarin)
  • Age 65 or older
  • Taking higher doses of Crestor (rosuvastatin)
  • Diabetes
  • 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

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.

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.

Alcohol
CrestorOmega 3 Acid
  • You're more likely to have side effects if you're a female, are 65 years or older, drink alcohol every day, or take more than one medicine for cholesterol.
  • Don't have more than 2 glasses of alcohol a day since Crestor (rosuvastatin) can cause liver damage.
No alcohol related info.
Food
CrestorOmega 3 Acid
No food related info.
  • You have to take it with food.
  • Take it with food.
Kidneys and liver
CrestorOmega 3 Acid
  • People with liver disease, kidney disease, or diabetes are also more likely to have side effects from Crestor (rosuvastatin).
  • People on Crestor (rosuvastatin) have reported muscle pain which can lead to muscle or kidney damage. This is more likely to happen if you're older and if you're taking higher doses of Crestor (rosuvastatin). If you suddenly feel severe muscle pain or weakness and you haven't been exercising, stop taking Crestor (rosuvastatin) and talk to your doctor right away.
  • Crestor (rosuvastatin) can cause liver damage. If your urine is darker than normal or if you notice a yellow color in your eyes or skin, talk to your doctor. Your doctor may run some tests to see how your liver is working.
No kidneys and liver related info.
Pain
CrestorOmega 3 Acid
  • Crestor (rosuvastatin) isn't safe to use if you're pregnant since it can hurt the fetus.
  • Call your doctor if you have sudden muscle pain, fever, or weakness.
No pain related info.
Upsides and benefits
CrestorOmega 3 Acid
  • It's a good first choice medicine for lowering cholesterol levels when diet and exercise aren't enough.
  • Slows down the buildup of fatty deposits in your blood vessels, otherwise known as a hardening of the arteries.
  • In clinical studies, Crestor (rosuvastatin) has the strongest effect on lowering "bad" cholesterol compared to other statins.
  • Can lower your risk of heart attack, stroke, and death, particularly if you have diabetes, high blood pressure, obesity, or a history of smoking.
  • Available as a generic drug.
  • 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
  • You're more likely to have side effects if you're a female, are 65 years or older, drink alcohol every day, or take more than one medicine for cholesterol.
  • People with liver disease, kidney disease, or diabetes are also more likely to have side effects from Crestor (rosuvastatin).
  • Crestor (rosuvastatin) isn't safe to use if you're pregnant since it can hurt the fetus.
  • 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 levels.
  • Don't have more than 2 glasses of alcohol a day since Crestor (rosuvastatin) can cause liver damage.
  • Don't take antacids for at least 2 hours before and after taking Crestor (rosuvastatin).
  • Call your doctor if you have sudden muscle pain, fever, or weakness.
  • Let your doctor know if you have dark urine or a yellow color in your 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
Have you used Crestor (rosuvastatin)?
Worth itNot sureNot worth it
More about Omega 3 AcidSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lovaza (omega-3 acid)?
Worth itNot sureNot worth it