What should I watch for?
Check your blood pressure regularly while you are taking this medicine. Ask your doctor or health care professional what your blood pressure should be and when you should contact him or her. When you check your blood pressure, write down the measurements to show your doctor or health care professional. If you are taking this medicine for a long time, you must visit your health care professional for regular checks on your progress. Make sure you schedule appointments on a regular basis.
You must not get dehydrated. Ask your doctor or health care professional how much fluid you need to drink a day. Check with him or her if you get an attack of severe diarrhea, nausea and vomiting, or if you sweat a lot. The loss of too much body fluid can make it dangerous for you to take this medicine.
Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug 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 can make you more drowsy and dizzy. Avoid alcoholic drinks.
This medicine may affect your blood sugar level. If you have diabetes, check with your doctor or health care professional before changing the dose of your diabetic medicine.
Avoid salt substitutes unless you are told otherwise by your doctor or health care professional.
This medicine can 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.
Do not treat yourself for coughs, colds, or pain while you are taking this medicine without asking your doctor or health care professional for advice. Some ingredients may increase your blood pressure.
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:
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
fast, slow, or irregular heartbeat
muscle cramps or pain
numbness, tingling, pain, or weakness in the hands or feet
unusual tiredness or weakness
weakness and heaviness of the legs
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:
decreased interest in sexual intercourse
excessive muscle tone
feeling of constant movement of self or surroundings
inability to have or keep an erection
loss in sexual ability, desire, drive, or performance
muscle tension or tightness
sensation of spinning
sleepiness or unusual drowsiness
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.