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Crestor Side Effects

Crestor is the branded version of the statin Rosuvastatin and is used for its cholesterol lowering effect, in particular in people who have already developed health problems as a result of high blood lipid levels, but also in people who are at high risk of developing similar complications. As it's a daily treatment, it should be safe to use for most people, but there is a slight risk of side effects. Most of the side effects reported by people using this medication are mild, but some of the rare side effects can be potentially dangerous.


Headaches and dizziness may occur when taking Crestor.


Abdominal pain may occur, but it is rare for this pain to be severe. Feelings of nausea and general sickness are more common. Constipation may also occur.


Skin reactions are uncommon but may include a rash or itching.


Muscle pain may occur but this is usually only a mild discomfort. Muscle damage is very rare.

Crestor side effects

Click on the relevant area of the body to find out about how it may be affected by Crestor

Common side effects

Common side effects such as constipation, abdominal pains and headaches occur in one in every 100 patients, and shouldn't normally be anything to worry about. However, if these side effects are bothering you or they persist for a long time then you should speak to your doctor, who may tell you to stop taking Crestor, lower your dose or use an alternative statin.

Side effect Common Uncommon Rare Very rare Frequency unknown
Abdominal pain
Feeling sick
Muscle pain
Feeling weak
Skin reactions
Severe stomach pain
Increased liver enzymes
Muscle damage
Liver damage
Allergic reaction
Urine in blood
Damage to the nerves of your legs and arms (such as numbness)
Joint or muscular pain
Loss of memory
Breast enlargement in men
Blistering of the skin, mouth, eyes and genitals known as Stevens-Johnson syndrome
Sleep disturbances
Sexual problems

Uncommon side effects

Rash, itching or severe skin reactions only affect one in every 100 to a thousand patients who use Crestor on a daily basis. Get medical help if you experience any of these.

Rare side effects

If you experience any of these side effects, you should stop taking this medication immediately and seek medical help straight away. Luckily these side effects are very rarely reported.

Very rare side effects

These occur at a frequency of one in every 10,000 and they are usually more serious in nature.

Unknown frequency

These effects have been reported by some users of Crestor and can be very serious.

Treat high cholesterol with Crestor

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