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, particularly in the second or third trimester. 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.
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.
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.
Side Effects to watch for
Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- breathing problems
- changes in vision
- dark urine
- eye pain
- fast or irregular heart beat, palpitations, or chest pain
- feeling faint or lightheaded
- muscle cramps
- persistent dry cough
- redness, blistering, peeling or loosening of the skin, including inside the mouth
- stomach pain
- trouble passing urine or change in the amount of urine
- unusual bleeding or bruising
- worsened gout pain
- yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- change in sex drive or performance
What may interact with this drug?
- barbiturates, like phenobarbital
- blood pressure medicines
- diabetic medicines
- diuretics, especially triamterene, spironolactone or amiloride
- NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
- potassium salts or potassium supplements
- prescription pain medicines
- skeletal muscle relaxants like tubocurarine
- some cholesterol lowering medicines like cholestyramine or colestipol