Compare Crestor vs. simvastatin

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

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Crestor (rosuvastatin)

Prescription only

Zocor (simvastatin)

Prescription only
Lowers cholesterol.

Crestor (rosuvastatin) is one of the most effective statins to improve cholesterol. It's also available as a generic.

3.7/ 5 average rating with 751 reviewsforCrestor
Lowers cholesterol.

Zocor (simvastatin) is a good medication to improve your cholesterol.

3.8/ 5 average rating with 1176 reviewsforsimvastatin
Upsides
  • 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.
  • 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 "bad" cholesterol (LDL) and triglycerides (fats) and raises "good" cholesterol (HDL) in people who have trouble doing this through diet and exercise.
  • Available in generic.
  • Available in combination pills with other cholesterol medicines.
Downsides
  • 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 are at higher risk for side effects if you are female, are 65 years or older, drink alcohol every day, or have liver disease, kidney disease, or diabetes.
  • Not safe to use if you're pregnant.
  • Can have more drug interactions than some other drugs in the same class (statins).
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Dosage forms
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Reviews
751 reviews so far
60%
saidit'sworth it
47%
saiditworked well
15%
saidit'sa big hassle

Have you used Crestor (rosuvastatin)?

Leave a review
1176 reviews so far
61%
saidit'sworth it
48%
saiditworked well
14%
saidit'sa big hassle

Have you used Zocor (simvastatin)?

Leave a review
Side effects
The Crestor (rosuvastatin) FDA package insert doesn’t have numbers about how common side effects are.
14possible side effects
  • Bronchitis
    7%
  • Abdominal pain
    6%
  • Atrial fibrillation
    6%
  • Stomach problems
    5%
  • Balance problems
    5%
  • Eczema
    5%
  • Diabetes
    4%
  • Muscle pain
    4%
  • Insomnia
    4%
  • Edema/swelling
    3%
  • Headache
    3%
  • Infection, urinary tract
    3%
  • Constipation
    2%
  • Sinus infection
    2%
See more detailed side effects
Risks and risk factors
  • Elevated INR
    • Taking Coumadin (warfarin)
  • Muscle pain
    • Age 65 or older
    • Taking higher doses of Crestor (rosuvastatin)
  • Increased blood sugars
    • Diabetes
  • Liver damage
    • Heavy alcohol use
    • Prior history of chronic liver disease
  • Birth defects
    • Pregnancy
See more detailed risks and warnings
  • Muscle pain and kidney damage
    • Kidney disease
    • High dose of Zocor (simvastatin)
    • Combining Zocor (simvastatin) with other cholesterol-lowering drugs
    • Older age
    • Female gender
  • Liver damage
    • Heavy alcohol use
    • History of chronic liver disease
  • Harm to unborn baby
    • Pregnancy
    • Breast feeding
  • Drug interactions
    • Certain drugs can increase the dose of Zocor (simvastatin) in the body
  • High blood sugar
    • History of high blood sugar
See more detailed risks and warnings