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Crestor 40 Mg

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Medically Reviewed by
Dr. Akanksha Kaushal
akanksha-kaushal Dr. Akanksha, Pharm-D

Dr. Akansha is a licensed Clinical Pharmacologist with extensive expertise in pharmacovigilance, prescription analysis, drug information, and safety. She's a dedicated educator and avid learner. Dr. Akansha also reviews medical content on GoodRx Medicine, ensuring accurate pharmaceutical information is accessible to all.

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Written by
Julian Carter
julian-carter Julian Carter

Julian, an MBA in Pharmaceutical Management, brings a dynamic blend of expertise and impact with his contributions at Goodrxmedicine. His dedication and innovative spirit continue to shape a brighter future in pharmaceutical management.

About Crestor 40 mg

Crestor 40mg tablet is a medication that is prescribed to lower elevated blood cholesterol levels. 

The main active ingredient in this tablet is Rosuvastatin, which belongs to a class of drugs known as Statins. 

By reducing levels of bad cholesterol (low-density lipoprotein-LDL) and Triglycerides, the risk of future heart attack and stroke can be reduced.

Crestor 40 mg tablet is a prescription-based medication and should be taken when recommended by a doctor.

AstraZeneca Pvt. Ltd manufactures Crestor 40 mg tablets.

Uses of Crestor 40 mg

A tablet like Crestor 40 mg is prescribed for the treatment of the following medical complications:

  • High cholesterol
  • Preventing Heart attack
  • Preventing Stroke

How it works

Crestor 40 mg tablet belongs to a class of medication commonly known as Lipid-lowering drugs. 

Rosuvastatin is the main active salt in Crestor 40mg tablet. The medication functions by inhibiting liver enzymes and decreasing the liver's production of cholesterol. 

Crestor 40 mg tablet enhances the liver's absorption and breakdown of cholesterol. By lowering cholesterol levels in the blood, Crestor 40 mg tablet can help reduce the risk of heart attack, stroke, and other related conditions.


Your general physician would run a proper medical diagnosis of your medical condition before prescribing you Crestor 40mg tablet. 

The dosage and duration of Crestor 40 mg tablet would depend upon factors like age, weight and severity of the health condition.

Take the tablet as per the specific instructions given by the medical professional.

How to take

Crestor 40 mg tablet can be taken with or without food; ensure you take the medication at a fixed time interval to get the best results.

Swallow the tablet as a whole with a full glass of water. Do not chew or break the tablet.

Make sure that you take Crestor 40 mg tablet through a valid prescription.

Missed dose

Avoid missing a dose of Crestor 40 mg tablet to get the best result from the medication. However, if you somehow miss it, then retake the tablet as soon as you remember.

You may skip the missed dose and continue with your regular dosing schedule if it is almost time for your next dose.

Make sure that you take Crestor 40mg tablet as per the prescription given by your doctor.


Taking an overdose of Crestor 40 mg tablet can lead to adverse effects like abdominal pain, nausea, and vomiting and increase the risk of further medical complications.

Therefore, take Crestor 40 mg tablet in the dosage and duration as advised by your general physician.


Prescription-based medication like Crestor 40mg tablet is available in different strengths and substitutes. 

As per your medical requirement, a doctor can prescribe you a 10 or 40-mg Crestor tablet.

Always ensure that you stay within the recommended dose of the Crestor tablet.

Side effects

Crestor 40mg tablet is a safe and effective medication if taken as per the advice given by the medical professional. 

However, if the following side effects do occur after taking the tablet, then immediately reach out to a doctor:

  • Nausea
  • Muscle pain
  • Weakness
  • Headache
  • Joint pain
  • Diarrhea
  • Dizziness
  • Constipation
  • Abdominal pain
  • Daytime drowsiness
  • Feeling weak or tired
  • Difficulty or painful urination
  • Protein loss in the urine (proteinuria)


Before taking Crestor 40mg tablet, ensure your healthcare provider knows about your complete medical history. 

There are certain medicines, food items and medical conditions that can cause interaction and affect the functioning of the medication.

Disease interactions

If you have any of the following medical conditions, then consult your doctor before taking Crestor 40 mg tablet:

  • Hypothyroidism
  • Diabetes
  • Rhabdomyolysis
  • Renal Dysfunction
  • Neuromuscular disorders

Drug interactions

Do not take the following medicines along with Crestor 40 mg tablet, as doing so can lead to an interaction:

  • Antacids
  • Fibrates
  • Antibiotics
  • Atazanavir
  • Warfarin
  • Gemfibrozil
  • Leflunomide
  • Regorafenib
  • Cyclosporine

Food interactions

When taking Crestor 40 mg tablet, it is essential not to consume alcoholic beverages, as it may increase the risk of side effects.


Crestor 40mg tablet is a lipid-lowering (statin) medication that should be taken as per the instructions given by the doctor.

Keep the following points in mind while taking Crestor 40 mg tablet:

  • Do not take this medication if you are allergic to Rosuvastatin or any other active ingredient in the tablet
  • Don't take more or less than the recommended dosage. Avoid stopping the usage of this medication without first consulting with your doctor
  • The use of Crestor 40 mg tablet should be avoided if you have a history of kidney or liver disease
  • If you have unusual symptoms such as excessive muscle discomfort, tightness, or weakness, reach out to a doctor
  • Women who are pregnant or breastfeeding should avoid the use of this medication.
  • Before taking a medication, always read the label or package insert guidelines
  • A low-sodium, low-fat diet and regular exercise are recommended to get the best results from the medication


Crestor 40mg tablet should be stored at room temperature. Ensure that the tablet is kept from exposure to sunlight, heat or moisture. Keep the tablet away from the reach of children.

Frequently Asked Questions

Is it okay to take 40 mg of Rosuvastatin?

The starting dose of Rosuvastatin is usually 10 or 20 mg per day. However, taking a dose of 40 mg is okay if your doctor has prescribed you the same.

How to buy Crestor 40 mg tablet?

Crestor 40 mg tablet is a prescription-based medication that can be purchased from any pharmaceutical store, medical store or online medical shop.

What does Crestor do to your body?

Crestor is used to lower blood lipid levels, the most common cholesterol. Take Crestor tablet only when prescribed by the doctor.

Is it okay to take Rosuvastatin every day?

Only one tablet of Rosuvastatin should be taken in a single day. Although you can take it whenever you like, it's better to take it daily at the same time to get the best results.

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