Proper Use

Drug information provided by: Micromedex

In addition to the use of the medicine your doctor has prescribed, treatment for your high blood pressure may include weight control and care in the types of foods you eat, especially foods high in sodium. Your doctor will tell you which of these are most important for you. You should check with your doctor before changing your diet.

Many patients who have high blood pressure will not notice any signs of the problem. In fact, many may feel normal. It is very important that you take your medicine exactly as directed and that you keep your appointments with your doctor even if you feel well.

Remember that methyldopa will not cure your high blood pressure but it does help control it. Therefore, you must continue to take it as directed if you expect to lower your blood pressure and keep it down. You may have to take high blood pressure medicine for the rest of your life . If high blood pressure is not treated, it can cause serious problems such as heart failure, blood vessel disease, stroke, or kidney disease.

To help you remember to take your medicine, try to get into the habit of taking it at the same time each day.

Dosing

The dose of this medicine 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 this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage form (suspension or tablets):
    • For high blood pressure:
      • Adults—250 milligrams (mg) to 2 grams a day. This is divided into two to four doses.
      • Children—Dose is based on body weight or size and must be determined by your doctor. The usual dose is 10 mg per kilogram (kg) (4.5 mg per pound) of body weight a day. This is divided into two to four doses. Your doctor may increase the dose as needed.
  • For injection dosage form:
    • For high blood pressure:
      • Adults—250 to 500 mg mixed in 100 milliliters (mL) of solution (5% dextrose) and slowly injected into a vein every six hours as needed.
      • Children—Dose is based on body weight and must be determined by your doctor. The usual dose is 20 to 40 mg per kg (9.1 to 18.2 mg per pound) of body weight. This is mixed in a solution (5% dextrose) and slowly injected into a vein every six hours as needed.

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

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.