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Crestor contains rosuvastatin and is commonly prescribed to patients with high cholesterol. If you have been taking Crestor for at least three months, you can order a repeat prescription from our online doctors.

To place an order, fill in our brief questionnaire. You can choose a preferred treatment, such as Crestor. Our online doctor will review your information and approve an appropriate treatment.

Prescriptions for urgent treatment can be delivered by Pharmacy Collect, usually within an hour. Or you can choose for your prescription to be delivered to your address. Prescriptions can be used at a pharmacy of your choice.

A consultation for Crestor costs €20.

What is Crestor?

Crestor belongs to a family of statin drugs, which are taken to treat hyperlipidaemia or high blood cholesterol.

How does Crestor work?

The active ingredient of Crestor is a statin called rosuvastatin. Statins work by reducing the amount of LDLs (lipoprotein transporters which deposit cholesterol in the arteries) and triglycerides (fatty substances) in the blood stream. In addition, statins increase the amount of HDLs which are good as they remove cholesterol from the cells and arteries and carry it to the liver.

Should I alter my diet whilst taking Crestor Rosuvastatin?

Yes. To make the treatment as effective as possible, you should make your diet healthier. You need to reduce the amount of high cholesterol and high fat foods you consume, and undertake more exercise. You should be able to receive advice from DrEd or your doctor on how to control your diet whilst taking Crestor.

Am I allowed to smoke whilst taking Crestor?

You should quit smoking if you have high blood cholesterol. Smoking can contribute to causing high blood cholesterol levels. To make the treatment as effective as possible, you need to avoid smoking or second -hand smoking. To get advice on how to quit, talk to your GP.

Am I allowed to drink alcohol whilst taking Crestor Rosuvastatin?

No, statins can interact with alcohol. You should avoid drinking whilst on medication for high blood cholesterol, but an occasional glass should not affect you too much. You can ask DrEd or your GP if you tend to drink regularly and heavily or if you are concerned about this matter.

Are any foods banned whilst taking Crestor?

Grapefruit contains chemicals which may increase the amount of statins in the blood. This will not make the treatment more effective and can even cause some serious damage, so avoid eating grapefruit whilst taking rosuvastatin.

Can I still take vitamin tablets as usual?

This will depend on what’s in your vitamin tablets. You should tell a pharmacist that your Crestor medication may interact with nicotinic acid or preparations containing nicotinic acid.

Who usually takes Crestor?

You must have a prescription to take Crestor. It could be prescribed as a treatment for patients with high blood cholesterol, or as a preventative measure to reduce hardening of the arteries. Crestor does not tend to be suitable for patients over 70 or patients under 10 years old/ children who have not yet reached puberty. You should not take Crestor if you are pregnant or breast-feeding. For a full and comprehensive list of who can and can’t take Crestor, check the “Warnings tab”.

Is this a prescription treatment?

Yes, you can obtain this from DrEd or your GP.

How do I know if the treatment is working?

Since high blood cholesterol has no real symptoms in the first place, it can be difficult to tell whether treatment is working. Around 2 months after you start treatment, arrange to see you GP to get a cholesterol test. A score above 5.5 needs to be discussed.

How effective is Crestor?

Cholesterol levels will decrease within the first few months of treatment. The risk of heart attack will be reduced by about 10% after the first yea, rising to around 33% after three years.

What do the tablets look like?

The 5mg tablets are yellow and round. The 10mg and 20mg tablets are pink and round. The 40mg tablets are pink and oval. All the tablets are marked with the dosage

Crestor Dosage

You will usually be started off with a 5mg daily dose. This may be increased by your doctor depending on how well you respond to the treatment. The maximum daily dosage is 40mg. The maximum daily dosage for children is 20mg.

You should take your tablet at the same time daily with a full glass of water. Swallow the tablet whole. You can take the tablet with or without food.

If you forget a tablet, take it as soon as you remember. However, if it is near the time of your next scheduled dose, skip the missed dose and continue treatment as normal.

If you overdose, seek medical assistance immediately.

Crestor Rosuvastatin

Rosuvastatin is the active substance in Crestor. The tablets contain rosuvastatin calcium equivalent to 5 mg, 10 mg, 20 mg or 40 mg of rosuvastatin, depending on the dosage of the tablet. The tablets also contain lactose monohydrate, microcrystalline cellulose, calcium phosphate, crospovidone, magnesium stearate, hypromellose, triacetin, titanium dioxide (E171). The Crestor 10 mg, 20 mg and 40 mg tablets also contain red iron oxide (E172). The crestor 5 mg film-coated tablets also contain yellow iron oxide (E172).

Crestor Side Effects

You should stop taking Crestor immediately if you experience:

  • Allergic reaction (difficulty breathing, swollen face, lips, tongue and throat, severely itchy skin)
  • Prolonged and unexplained muscle aches and pains (this may develop into potentially life threatening muscle damage)

Common Crestor side effects include:

  • Headache
  • Stomach pain
  • Constipation
  • Nausea
  • Muscle pain
  • Feeling weak
  • Dizziness

Uncommon Crestor side effects include:

  • Rash, itching or other skin reactions
  • High protein levels in the urine (this will usually return to normal over the course of the treatment, or at least once treatment has ended)

Rare side effects include:

  • Severe allergic reaction
  • Muscle damage
  • Sever stomach pain (inflamed pancreas)
  • Increased liver enzymes in the blood
  • Jaundice
  • Hepatitis
  • Traces of blood in the urine
  • Damage to nerves in the legs and arms
  • Joint pain
  • Memory loss
  • Breast enlargement

If you experience any of these side effects (or any others) and are concerned, you should talk to your doctor.

Do not take Crestor if:

  • You are allergic to Crestor
  • You are pregnant or breast-feeding
  • You have liver disease
  • You have severe kidney problems
  • You have unexplained and prolonged muscle aches or pains
  • You are taking ciclosporin (used after organ transplants)

You should not take 40mg of Crestor daily if:

  • Your thyroid gland is not working properly
  • You drink heavily
  • You are of Asian origin
  • You take fibrates (other medicines to lower cholesterol)

You should tell your doctor if:

  • You are under 10 years of age
  • You are over 70 years of age
  • You are taking HIV treatment
  • You are under 18 (you should not be taking the 40mg dosage)

You need to tell your doctor if you are taking any of the following medicines:

  • Ciclosporin (used after organ transplants)
  • Warfarin (or any other blood thinners)
  • Fibrates (gemfibrozil, fenofibrate: used to lower cholesterol)
  • Indigestion remedies
  • Erythromycin (antibiotic)
  • Contraceptive pill
  • Hormone replacement therapy
  • Ritonavir, Lopinavir, Atazanavir (used to treat HIV infection)

Crestor should not affect your ability to drive or operate machinery. However, do not undertake these activities before you know how Crestor affects you.

Crestor contains lactose. You should inform your doctor if you have intolerance to some sugars.

If you have a question about this service, please email [email protected] with the question, and one of our doctors will get back to you within 24 hours.

Pharmacy Collect

If you need your medication urgently, choose DrEd's Pharmacy Collect service. This service is available between 9am and 4pm Monday - Friday. Orders placed outside of these hours will be processed the next working day. First, our doctors will review your treatment and approve if appropriate. We will then send an advanced notification of your prescription to a pharmacy of your choice. We aim to do this within an hour.

If your chosen pharmacy is unable to fulfil your prescription, we will get in touch with you to arrange alternative collection arrangements.

Prescription sent by mail

You can choose for your paper prescription to be delivered to your address. This takes 3-5 working days.


1 Order Prescription

Complete a fast and simple online health questionnaire

2 Doctor Prescribes

Doctor reviews your suitability and if appropriate issues your prescription

3 Prescription Delivered

We’ll send urgent scripts fast to any Irish pharmacy or the paper script to your address

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