Crestor (Rosuvastatin)

Article Highlights

Crestor is a statin like Zocor, Mevacor, Livalo, and the top-selling Lipitor.
Crestor works by reducing the buildup of cholesterol and fats known as triglycerides.
You should not take Crestor if you are pregnant, intend to become pregnant, or have liver or kidney issues.
Common side effects include nausea, diarrhea, heartburn and mild muscle pain.

Crestor (rosuvastatin) is a statin drug like the other best-selling drug, Lipitor. In conjunction with a regimen consisting of a low-cholesterol diet and exercise, Crestor is used to lower levels of “bad” cholesterol (low-density lipoprotein, or LDL) and triglycerides in the blood, while boosting concentrations of “good” cholesterol (high-density lipoprotein, or HDL).
Cholesterol is a chemical compound that is needed as a building block for cell membranes in the body. The liver produces the body’s largest share of cholesterol, the rest being delivered to us from foods we ingest such as meat, poultry, eggs and dairy products. Triglycerides are another form of fat appearing in the bloodstream, and excess levels of cholesterol and triglycerides can lead to heart disease and strokes.

Other statins include:

Lipitor (atorvastatin)
Zocor (atorvastatin)
Pravachol (pravastatin)
Mevacor (lovastatin)
Livalo (pitavastatin)
Lescol (fluvastatin)

Crestor (rosuvastatin) works in two ways:

It blocks an enzyme in the liver, causing the liver to generate less cholesterol
It helps the liver to break down and discharge the cholesterol that already flows in the bloodstream

Excess cholesterol and triglycerides can do damage to the body in other ways as well, including:

They can produce a failure of skeletal muscle tissue, leading to a breakdown in kidney function
And they can also produce potentially serious complications in people with type 2 diabetes

Statins, Alzheimer’s and Dementia

So, what do we know about the relationship, if any, between statins and dementia? Do statins cause or prevent memory problems and dementia? The quick response is that findings are mixed, and more research needs to be undertaken.

In recent years, there has been concern among individuals taking statins that the drugs might contribute to memory problems. These concerns have led the U.S. Food and Drug Administration to add warnings to statin medications. However, researchers have explained that there is very little evidence to support these links, with the exception of isolated case reports.

However, to the contrary, some research has actually pointed to some degree of cognitive protection resulting from the use of statins. Some studies have suggested, for example, that statins may reduce the risk of developing dementia or improve cognitive function in those already diagnosed with the disease. While these studies are promising, other studies have found little to no cognitive benefits from statins, suggesting the need for greater research.

Research into the relationship between statins and dementia remains ongoing and, until then, physicians commonly recommend other courses for preventing memory loss and other symptoms of dementia in the older population. The mechanisms underlying the links between statins and memory will require further study and ideally a greater number of randomized controlled trials to clarify the role of statins in the potential prevention and treatment of dementia.

Crestor Forms and Dosage Information

Before treatment is begun on this medication, the patient should be placed on a regular low-cholesterol diet, which should then be continued, together with exercise of at least 30 minutes, three times a week or more, during treatment on this stain drug.

Crestor comes in:

5mg, round, film-coated (yellow) tablets
10mg, round, film-coated (pink) tablets
20mg, round, film-coated (pink) tablets
40mg, oval, film-coated (pink) tablets

The usual starting dose for rosuvastatin is 10mg to 20mg a day, taken once daily, with or without food. If you are of Asian descent, your health care provider may start your treatment with the lowest dose since you may be more sensitive to its effects.

The Crestor tablet is meant to be taken by mouth and whole, since crushing it would yield a bitter taste. Furthermore, if you realize that you have missed a dose, take one, unless the next dose is less than 12 hours away. Do not take two doses of this medication within 12 hours of each other.

The dosage your physician will prescribe will commonly be based on your age, overall health, medical history, allergies, response to treatment, race, and other medications you may be taking at the time. It is important that you inform your health care provider and your pharmacist about all the medications you take, including herbal supplements and vitamins.

If your health care provider prescribes rosuvastatin, take this medication regularly in order to get the most benefit from it. One way to better remember to take your medication is to always take it at the same time of day. Another popular method is to use a pillbox that your pharmacist can provide.

Furthermore, for optimal benefits and overall health safety concerns, keep taking this medication, even if you feel better, until your doctor guides you otherwise. Dose adjustments may typically be made by your health care provider at intervals of 2 to 4 weeks. Never change your dose of this medication without prior consultation with your doctor.

Most people with high levels of cholesterol and triglycerides do not get sick when they are started on rosuvastatin.

Warnings associated with rosuvastatin

The Federal Drug Administration (FDA) confirms that statins like Crestor provide a significant treatment option for millions of Americans at risk of heart disease, including coronary artery disease, arrhythmia, cardiomyopathy, and heart failure.

Research conducted on people taking Crestor has demonstrated that certain people who are prescribed higher doses of this medication may be at greater risk for muscle injury due to Crestor. The drug’s most recent label recommends that those at higher risk start with a dose of only 5 mg once a day. The higher-risk groups include:

Asian-Americans
People including organ transplant patients taking the immune suppressing drug cyclosporine (brand name sandimmune)

You should not take rosuvastatin if you have liver disease or are pregnant, intend to become pregnant, or if you are breast-feeding. Furthermore, make sure that your physician is aware of the following conditions that you may have:

A thyroid problem
History of kidney disease or current kidney problems that can show as shortness of breath or fatigue, muscle pain or weakness, or difficult or painful urinating
Liver problems that can show as upper stomach pain, itching, tiredness, nausea, loss of appetite, dark-colored urine, clay-colored stool, and jaundiced or yellowish skin and eyelids
Signs of a stroke, which can show as sudden severe headache, slurred speech, problems with vision or balance, or one side of the body feeling suddenly weak or numb
If you drink more than 2 alcoholic beverages daily

Do not ingest grapefruit and grapefruit juice with rosuvastatin, as these may interact with Crestor and lead to potentially dangerous complications. The same goes for excess alcohol consumption, for alcohol can raise triglyceride levels and can increase your risk of liver damage.

In addition, when taking rosuvastatin, older adults, and individuals who have kidney disease or poorly controlled hypothyroidism (underactive thyroid), may have complications that can produce a failure of skeletal muscle tissue, leading to a breakdown in kidney function.

If you must take antacids of the type that contain magnesium or aluminum, take the antacids at least two hours after taking this drug, for these minerals reduce the absorption of this medication.

Crestor side effects

Some of the side effects that patients on Crestor experience may be mild and readily tolerable. If after a few days of taking this medication you feel that you can adjust and tolerate these new and mild symptoms, the side effects may disappear. On the other hand, if you are concerned about one or more unusual physical or behavioral changes that develop, then promptly consult your health care professional. Your doctor may deem it advisable to change your medication or alter the dosage you are on. In addition, your doctor may be able to guide you in regard to ways you can reduce or prevent these side effects.

The most common side effects:

congestion
cough
dry or sore throat
runny nose
difficulty with moving
voice changes
heartburn
hoarseness
headache
mild muscle pain
lower back or side pain
pain or tenderness around the eyes and cheekbones

More serious side effects:

The following list of side effects should be promptly reported to your health care professional:

chest tightness or heaviness
fast, irregular, pounding, or racing heartbeat or pulse
hemorrhagic stroke
difficult or labored breathing
fainting (or loss of consciousness)
accumulation of pus, or tender area of infection near a tooth
bladder pain, bloody or cloudy urine, and difficulty urinating
burning, itching, numbness, or tingling feelings
deterioration or gradual loss of muscle
muscle breakdown (rhabdomyolysis)
inflammation, pain with swelling of the joints (arthralgia)
abdominal or stomach pain
back pain
belching or excessive gas
heartburn, indigestion, or stomach discomfort
shivering
loss of appetite, vomiting
constipation
increased thirst or hunger
confusion, or memory problems
fever, drowsiness, and loss of appetite
general feeling of discomfort or illness
bloody or dark urine
fruit-like breath odor
jaundice, i.e. yellowing of the skin and eyes
runny or stuffy nose, sneezing, coughing
sore or scratchy throat (nasopharyngitis)
sleep disturbance and insomnia

Rare side effects:

continuing ringing or buzzing or other unexplained noise in the ears
menstrual bleeding occurring earlier or lasting longer than usual
black, tarry stools
bloody nose
bloody or cloudy urine
blurred vision
difficulty seeing at night
excessive muscle tone or tension
groin or scrotum pain
increased body movements
increased sensitivity of the eyes to light
increased sensitivity to touch or pain
increased urination
loss of sexual ability, drive, or desire
depression, nervousness, nightmares, paranoia
pinpoint red spots on the skin
slurred speech
swollen or tender lymph glands in the neck, armpit, or groin
unable to move or feel face
unusual bleeding or bruising
large, hive-like swelling on the face, eyelids, lips, tongue, throat,
hands, legs, feet, or sex organs
red skin lesions, often with a purple center sore
red, irritated eyes
sore throat
sores, ulcers, or white spots in the mouth or on the lips

Warnings and Interactions with Crestor

Crestor Overdose:

If think you have taken too much of this medication, go to an emergency room right away or call a poison control center at (800) 222-1222.

Crestor and pregnancy:

The FDA has issued a black-box warning regarding the use of Crestor while you are pregnant. Do not use this medication if you are pregnant, intend to become pregnant or are breast-feeding, for it is not known how much of this drug is passed onto babies during breast-feeding. Crestor can possibly harm an unborn baby or cause birth defects. This is not commonly a practical precaution since patients for whom Crestor is prescribed are generally older.

Muscle problems:

Medications that may raise your risk of muscle problems when taken with Crestor include:

Gengraf, Neoral, or Sandimmune) (Cyclosporine)
Lopid (gemfibrozil)
Fibricor or Trilipix (Fenofibric acid)
Antara, Fenoglide, Lipofen, Lofibra, Tricor, or Triglide (Fenofibrate)

Crestor and alcohol:

Excessive alcohol consumption can raise the levels of triglycerides and thus increase the risk of liver injury; drink in moderation, or not at all, when taking Crestor.

Crestor and grapefruit:

When taking atorvastatin, you need to avoid eating grapefruit or drinking grapefruit juice and any foods containing grapefruit, as these may cause the amount of rosuvastatin to rise to dangerous levels in your blood.

Crestor and antacids:

Antacids such as Mylanta and Maalox generally contain aluminum and magnesium hydroxide and should be taken at least two hours after food.

Crestor and warfarin:

Using the blood-thinner warfarin (coumadin) together with rosuvastatin may cause you to bleed more easily and potentially excessively. Call your doctor promptly if you have any unusual bleeding or bruising, vomiting, blood in your urine or stools, headache, dizziness, or weakness.

Rosuvastatin and Drug Interactions

There are several drugs that can interact with Crestor, including:

Many antacids
Several antibiotics (for example, clarithromycin or erythromycin)
Diltiazem (Cardizem, Cartia, Dilacor, and others)
Telaprevir
Warfarin
Oral contraceptives
Antifungal medicines (such as fluconazole, itraconazole, ketoconazole, or voriconazole)
HIV medications (such as darunavir, fosamprenavir, ritonavir, and various others)
Medicines that contain niacin (for example Advicor, Niaspan, Niacor, and various others)
Drugs that weaken your immune system (such as steroids, cancer medicine and others)
Medicines used to prevent organ transplant rejection (such as sirolimus, tacrolimus and others

Additional Information about Crestor and Other Statins

Your health care provider is best able to guide your treatment decisions based on your specific circumstances and medical history. Here are some scenarios that could be of interest to those on Crestor, or those who may be wanting to ask their physician about going on Crestor:

Crestor and liver issues:

Statins, the class of drugs that includes Crestor (rosuvastatin), have been known to cause liver problems. Updated in 2012, the FDA-approved prescribing information reports rare events of fatal and non-fatal liver failure in Crestor patients. Generally, problems with liver enzymes happen within the first 3 months of starting Crestor. If you are on Crestor, make sure you get closely monitored for signs of liver dysfunction by checking liver function tests or liver enzymes. If enzyme levels are greater than 3 times the upper limit of the normal range, they should be repeated until they return to normal. If they do not return to normal levels, your doctor should take you off Crestor or reduce your dose.

Rosuvastatin and weight gain:

People often ask about Crestor in connection with weight gain. There is nothing in the medical literature on this subject. However, while on this medication, you should maintain a healthy diet to prevent gaining weight. Be sure that the gain is not from other medications that you may be taking or because of another underlying medical condition.

Rosuvastatin and muscle pain and tenderness:

Muscle pain, tenderness, or weakness may be signs of a serious side effect associated with the use of statins. Patients should quickly consult with their doctor about stopping the medication if they experience these symptoms. These are serious symptoms, and you should not procrastinate or self-medicate. Your health care provider is best qualified to evaluate whether Crestor should be continued or another medication should be substituted.

Rosuvastatin and anxiety:

The prescribing information that is readily available for Crestor mentions nothing about anxiety being a side effect of Crestor. If you are experiencing anxiety while on a regimen of Crestor, you and your physician should check for other possible underlying medical or psychological conditions that may be producing that anxiety for you.

Crestor and vitamins:

According to the information that the Crestor manufacturer provides on the package, there are no specific drug interactions with vitamins. It is important to promptly report to your healthcare provider any unexplained muscle pain, tenderness or weakness. This may be a side effect of the Crestor and should be addressed with your healthcare provider.

Rosuvastatin and memory loss:

There is conflicting evidence about the relation of Crestor to memory loss and dementia. It has not been proven whether the memory loss that is occasionally observed in older people is caused by the statin that they are taking or by other causes such as the aging process, cardiovascular issues that may contribute to vascular dementia, or other reasons including perhaps the early onset of mild cognitive impairment (MCI). If you have concerns about memory while taking this drug, you should discuss with your doctor.

Final Thoughts

If you’ve had one or more cardiovascular events in the past, taking Crestor will improve your odds against having another heart-related event by 20%, according to some studies. Older adults can avert cardiovascular issues by taking a statin, whether they have high cholesterol or not. Naturally, one of the negative repercussions of going on statins is that sometimes people start eating the wrong types of food and in unhealthy quantities believing that they are protected.

It is important to remember that the best protection of all is to lead a lifestyle that is replete with low-cholesterol and non-fatty foods, regular exercise, plenty of sleep, good hydration, and good-natured, stress-mitigating social activities. However, statins such as Crestor may be appropriate to help support healthy cholesterol levels as you age.