Answer:
They could be side affects or symptoms like:
sneezing and an itchy, runny or blocked nose (allergic rhinitis)
itchy, red, watering eyes (conjunctivitis)
wheezing, chest tightness, shortness of breath and a cough.
a raised, itchy, red rash (hives)
swollen lips, tongue, eyes or face.
tummy pain, feeling sick, vomiting or diarrhoea.
worsening of asthma or eczema symptoms