Stool discolouration. Diarrhoea, nausea.
Chewable tab Indigestion. Occasionally, vomiting, constipation, abdominal pain, tooth discolouration, headache, local skin reactions (itching, rash). Very rarely, allergic reactions.
Drops/Syr Constipation, stomach ache. Occasionally, vomiting, tooth discolouration, gastritis, itching, rash, hives, erythema, headache.