Along with its needing effects, a drug 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 family doctor as soon as possible if any of the following side effects was happen
Less common With menadiol or high doses of phytonadione in newborns
Decreased appetite; decreased movement or activity; difficulty in breathing; enlarged liver; general body swelling; irritability; muscle stiffness; paleness; yellow eyes or skin
Rare With injection only
Difficulty in swallowing; fast or irregular breathing; lightheadedness or fainting; shortness of breath; skin rash, hives anditching; swelling of eyelids, face, or lips; tightness in chest; troubled breathing andwheezing
Rare
Blue color or flushing or redness of skin; dizziness; fast andweak heartbeat; increased sweating; low blood pressure - temporary
More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
Less common
Flushing of face; redness, pain, or swelling at place of injection; skin lesions at place of injection - rare; unusual tasteMore common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.