Crestor Side Effects


Crestor is in a group of drugs called HMG CoA reductase inhibitors, or “statins.” Rosuvastatin reduces levels of “bad” cholesterol (low-density lipoprotein, or LDL) and triglycerides in the blood, while increasing levels of “good” cholesterol (high-density lipoprotein, or HDL).

Crestor is used to lower cholesterol and triglycerides (types of fat) in the blood.

Crestor is also used to lower the risk of stroke, heart attack, and other heart complications in people with diabetes, coronary heart disease, or other risk factors

Crestor is used in adults and children who are at least 10 years old.

Crestor may also be used for other purposes not listed in this medication guide.

Take Crestor exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

Crestor is usually taken once a day, with or without food. Take the medicine at the same time each day. Your doctor may occasionally change your dose to make sure you get the best results.

You may need to stop using Crestor for a short time if you have:

  • uncontrolled seizures;
  • an electrolyte imbalance (such as high or low potassium levels in your blood);
  • severely low blood pressure;
  • a severe infection or illness;
  • dehydration; or
  • surgery or a medical emergency.

To be sure Crestor is helping your condition and is not causing harmful effects, your blood will need to be tested often. Your liver function may also need to be tested. Visit your doctor regularly.

Crestor is only part of a complete program of treatment that also includes diet, exercise, and weight control. Follow your diet, medication, and exercise routines very closely.

You may need to take Crestor on a long-term basis for the treatment of high cholesterol. Store at room temperature away from moisture, heat, and light.

Get emergency medical help if you have any of these signs of an allergic reaction to Crestor: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop taking Crestor and call your doctor at once if you have any of these serious side effects:

  • unexplained muscle pain, tenderness, or weakness;
  • fever, unusual tiredness, and dark colored urine;
  • swelling, weight gain, urinating less than usual or not at all; or
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious Crestor side effects may include:

  • headache, depressed mood;
  • mild muscle pain;
  • joint pain;
  • sleep problems (insomnia), nightmares;
  • constipation;
  • mild nausea; or
  • stomach pain or indigestion.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.


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