About cetirizine Who can and cannot take it How and when to take it Side effects Pregnancy, breastfeeding and fertility Taking it with other medicines and herbal supplements Common questions Related conditions Atopic eczema Conjunctivitis Food allergy Hay fever Hives Useful resources Allergy UK www.allergyuk.org Medicines for Children: cetirizine for hay fever www.medicinesforchildren.org.uk Itchy Sneezy Wheezy: website for parents www.itchysneezywheezy.co.uk