What are the possible side effects of Ablavar?

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 a serious side effect such as:
urinating less than usual or not at all;
drowsiness, confusion, mood changes, increased thirst, loss of appetite;
swelling, weight gain, feeling short of breath; or
fast, uneven heart rate.

Less serious side effects may include:
mild itching;
headache, dizziness;
nausea, unusual or unpleasant taste in your mouth;
warmth, redness, burning, or tingly feeling under your skin;
cold feeling, warmth, pain, bruising, or burning where the injection was given; or
numbness or tingling in your hands or feet.

This is not a complete list of side effects and others may occur.