What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. Check your heart rate and blood pressure regularly. Ask your doctor or health care professional what your heart rate should be and when you should contact him or her. If you get a fever, especially in the first few months, call your doctor or health care professional. Do not treat yourself.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. To avoid dizzy or fainting spells, do not stand or sit up quickly, especially if you are an older person. Alcohol can make you more drowsy and dizzy. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.
Iron can stop the absorption of this medicine. Do not take this medicine with iron preparations or multiple vitamins containing iron. If you have to take iron, make sure that there are at least 2 hours between iron and methyldopa doses.
Common and Rare 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 immediately if any of the following side effects occur:
Less common
Fever, shortly after starting to take this medicine
Check with your doctor as soon as possible if any of the following side effects occur:
More common
Swelling of feet or lower legs
Rare
Dark or amber urine
diarrhea or stomach cramps (severe or continuing)
fever, chills, troubled breathing, and fast heartbeat
general feeling of discomfort or illness or weakness
joint pain
pale stools
skin rash or itching
stomach pain (severe) with nausea and vomiting
tiredness or weakness after having taken this medicine for several weeks (continuing)
yellow eyes or skin
Some 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
Drowsiness
dryness of mouth
headache
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.