Guanidine Side Effects
What should I watch for?
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.
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.
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
Ammonia-like breath odor
black, tarry stools
blood in the urine or stools
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
change in frequency or amount of urine
cold sensations in the hands and feet
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
fast, irregular, pounding, or racing heartbeat or pulse
loss of appetite
nausea or vomiting
painful or difficult urination
pinpoint red spots on the skin
shakiness in the legs, arms, hands, or feet
shortness of breath, especially with exercise
sores, ulcers, or white spots on the lips or in the mouth
unsteadiness, trembling, or problems with muscle control
unusual bleeding or bruising
unusual tiredness or weakness
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
Abdominal or stomach cramps
crying for no reason
dryness and scaling of the skin
false or unusual sense of well-being
feeling of warmth
large, flat, blue or purplish patches in the skin
mood or mental changes
pinpoint red or purple spots on the skin
quick to react or overreact emotionally
redness of the face, neck, arms, and occasionally, upper chest
seeing or hearing things that are not there
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.