Metolazone Side Effects
What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. Check your blood pressure as directed. Ask your doctor or health care professional 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.
Check with your doctor or health care professional 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.
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 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.
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.
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:
Incidence not known
Black, tarry stools
blistering, peeling, or loosening of skin
blood in urine or stools
dizziness, faintness, or lightheadedness when getting up from lying or sitting position
fast, irregular, pounding, or racing heartbeat or pulse
flushed, dry skin
fruit-like breath odor
general tiredness and weakness
joint or muscle pain
loss of appetite
lower back or side pain
muscle pain or cramps
numbness or tingling in hands, feet, or lips
pain in lower legs
painful or difficult urination
pinpoint red spots on skin
red irritated eyes
red skin lesions, often with a purple center
redness or swelling of lower leg
shortness of breath
sores, ulcers, or white spots in mouth or on lips
sugar in the urine
swelling of face, ankles, or hands
swollen or painful glands
tightness in chest
unexplained weight loss
unpleasant breath odor
unusual bleeding or bruising
unusual tiredness or weakness
upper right abdominal pain
vomiting of blood
yellow eyes and skin
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
irregular, fast or slow, or shallow breathing
pale or blue lips, fingernails, or skin
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
weakness and heaviness of 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:
Incidence not known
Blue-green to black skin discoloration
burning, tingling, numbness, or pain in the hands, arms, feet, or legs
cracked, dry, or scaly skin
decreased interest in sexual intercourse
feeling of constant movement of self or surroundings
hives or welts
inability to have or keep an erection
loss in sexual ability, desire, drive, or performance
pain, redness, or sloughing of skin at place of injection
sensation of pins and needles
sensation of spinning
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.