What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. Your doctor or health care professional will schedule tests to make sure the medicine is working properly.
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 as soon as possible if any of the following side effects occur:
With menadiol or high doses of phytonadione in newborns
decreased movement or activity
difficulty in breathing
general body swelling
yellow eyes or skin
With injection only
Difficulty in swallowing
fast or irregular breathing
lightheadedness or fainting
shortness of breath
swelling of eyelids, face, or lips
tightness in chest
troubled breathing and/or wheezing
Blue color or flushing or redness of skin
fast and/or weak heartbeat
low blood pressure (temporary)
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:
Flushing of face
redness, pain, or swelling at place of injection
skin lesions at place of injection (rare)
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.