Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure);
- left-sided stomach pain; or
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Less serious side effects may i...
Read the complete patient information for HyperHep B »