Probucol (Systemic)
   
Probucol (Systemic)
Canadian Brand Names
• Lorelco
Description
Probucol (PROE-byoo-kole) is used to lower levels of cholesterol (a fat-like substance) in the blood. This may help prevent medical problems caused by cholesterol clogging the blood vessels.
Probucol is available only with your doctor's prescription, in the following dosage form:
Special Considerations
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For probucol, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to probucol. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.
Diet
Before prescribing medicine for your condition, your doctor will probably try to control your condition by prescribing a personal diet for you. Such a diet may be low in fats, sugars, and/or cholesterol. Many people are able to control their condition by carefully following their doctor's orders for proper diet and exercise. Medicine is prescribed only when additional help is needed and is effective only when a schedule of diet and exercise is properly followed.
Also, this medicine is less effective if you are greatly overweight. It may be very important for you to go on a reducing diet. However, check with your doctor before going on any diet.
Make certain your health care professional knows if you are on a low-sodium, low-sugar, or any other special diet.
Pregnancy
Probucol has not been studied in pregnant women. However, it has not been shown to cause birth defects or other problems in rats or rabbits.
Breast-feeding
It is not known whether probucol passes into the breast milk. However, this medicine is not recommended for use during breast-feeding because it may cause unwanted effects in nursing babies.
Children
There is no specific information about the use of probucol in children. However, use is not recommended in children under 2 years of age since cholesterol is needed for normal development.
Older adults
Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of probucol in the elderly with use in other age groups.
Other medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your health care professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Other medical problems
The presence of other medical problems may affect the use of probucol. Make sure you tell your doctor if you have any other medical problems, especially:
• Gallbladder disease or gallstones or
• Heart disease-Probucol may make these conditions worse
• Liver disease-Higher blood levels of probucol may result, which may increase the chance of side effects
Administration
Many patients who have high cholesterol levels will not notice any signs of the problem. In fact, many may feel normal. Take this medicine exactly as directed by your doctor, even though you may feel well . Try not to miss any doses and do not take more medicine than your doctor ordered.
Remember that this medicine will not cure your condition but it does help control it. Therefore, you must continue to take it as directed if you expect to keep your cholesterol levels down.
Follow carefully the special diet your doctor gave you . This is the most important part of controlling your condition, and is necessary if the medicine is to work properly.
This medicine works better when taken with meals.
Dosing
The dose of probucol will be different for different patients. Follow your doctor's orders or the directions on the label . The following information includes only the average doses of probucol. If your dose is different, do not change it unless your doctor tells you to do so:
• The number of tablets that you take depends on the strength of the medicine.
• For oral dosage form (tablets):
o Adults: 500 milligrams two times a day taken with the morning and evening meals.
o Children:
§ Up to 2 years of age-Use is not recommended.
§ 2 years of age and over-Dose must be determined by your doctor.
Missed dose
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage
To store this medicine:
• Keep out of the reach of children.
• Store away from heat and direct light.
• Do not store in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down.
• Do not keep outdated medicine or medicine no longer needed. Be sure that any discarded medicine is out of the reach of children.
Precautions
It is very important that your doctor check your progress at regular visits . This will allow your doctor to see if the medicine is working properly to lower your cholesterol levels and to decide if you should continue to take it.
Do not stop taking this medicine without first checking with your doctor . When you stop taking this medicine, your blood fat levels may increase again. Your doctor may want you to follow a special diet to help prevent this.
Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
More common
Dizziness or fainting; fast or irregular heartbeat.
Rare
Swellings on face, hands, or feet, or in mouth; unusual bleeding or bruising; unusual tiredness or weakness.
Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:
More common
Bloating; diarrhea; nausea and vomiting; stomach pain.
Less common
Headache; numbness or tingling of fingers, toes, or face.
Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.
August 20, 1998 
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