What should I watch for?
Your condition will be monitored carefully while you are receiving this medicine.
Visit your doctor or health care professional for regular checks on your progress. Tell your doctor or health care professional as soon as you can if you notice any change in your sight or hearing.
You may get drowsy or dizzy or have problems with your vision. 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.
While you are receiving this medicine, do not take any vitamin C products unless your doctor or health care professional tells you to.
Interactions with Medications
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 or nurse immediately if any of the following side effects occur:
Bluish fingernails, lips, or skin
blurred vision or other problems with vision
difficulty with breathing or fast breathing
redness or flushing of the skin
stomach and muscle cramps
unusual bleeding or bruising
Incidence not known
decreased urine output
difficulty with swallowing
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
rapid weight gain
shortness of breath
swelling of the face, ankles, or hands
tightness in the chest
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:
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.