Like all medicines, this medicine can cause side effects, although not everybody gets them.
Serious allergic reactions: Serious allergic reactions (anaphylactic reactions) can always happen, even if it is very rare. Contact the doctor or health care professional immediately or go to the nearest hospital emergency department immediately if the patient experiences an anaphylactic reaction.
Signs or symptoms of an anaphylactic reaction usually occur very soon after the injection if at all, and may include rash, itching, difficulty breathing, shortness of breath and swelling of the face, lips, throat or tongue.
Other side effects: Most side effects occur within 3 days of vaccination. The effects most often resolve spontaneously within 1 to 3 days of onset. They have been reported with the following frequencies: Very common: may affect more than 1 in 10 people: Generally feeling unwell; Headache (cephalalgia); Muscle pain (myalgia); Pain at the injection site; Redness (erythema) at the injection site; Swelling at the injection site; Only in babies: irritability, inconsolable crying and drowsiness.
Common: may affect up to 1 in 10 people: Fever; Increase in size of lymph nodes (lymphadenopathy); Allergic reactions, such as rash and itching; Flu-like syndrome; Itching (pruritus) at the injection site; Induration at the injection site; Only in babies: difficulty sleeping.
Uncommon: may affect up to 1 in 100 people: Decreased appetite; Nausea; Stomach pain (abdominal pain); Diarrhoea; Vomiting; Chills; Fatigue, unusual weakness (asthenia); Dizziness; Joint pain (arthralgia); Bruising at the injection site (ecchymosis).
Rare: may affect up to 1 in 1000 people: Difficulty breathing.
Not known: cannot be estimated from the available data: Swelling of the face, lips, mouth, tongue or throat, which may cause difficulty swallowing or breathing; Sudden hearing loss/decrease.
Reporting of side effects: If the patient gets any side effects, talk to the doctor, pharmacist or nurse. This includes any possible side effects not listed in this monograph.
By reporting side effects, it can help provide more information on the safety of this medicine.
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