What should I watch for?
Visit your doctor for regular checks on your progress. Check your blood pressure as directed. Ask your doctor what your blood pressure should be and when you should contact him or her.
You may need to be on a special diet while taking this medicine. Ask your doctor.
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. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
This medicine may make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
This medicine may affect blood sugar levels. If you have diabetes, check with your doctor before you change your diet or the dose of your diabetic medicine.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will 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 you take this medicine 2 hours before or 6 hours after the iron.
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:
Unexplained fever shortly after starting to take this medicine
Check with your doctor as soon as possible if any of the following side effects occur:
Signs and symptoms of too much potassium loss
muscle cramps or pain
nausea or vomiting
unusual tiredness or weakness
Cough or hoarseness
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
lower back or side pain
painful or difficult urination
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:
Dizziness or light-headedness when getting up from a lying or sitting position
dryness of mouth
Decreased sexual ability or interest in sex
increased sensitivity of skin to sunlight (skin rash, itching, redness or other discoloration of skin or severe sunburn after exposure to sunlight)
loss of appetite
numbness, tingling, pain, or weakness in hands or feet
swelling of breasts or unusual milk production
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.