Calpol Infant 2m+ Strawberry (140ml). Only one pack of paracetamol products per order.. The paracetamol in CALPOL Free Infant Oral Suspension is used to relieve pain such as tooth pain, headache, sore throat and aches and pains that come with colds and flu. It also brings down fever (high temperature).. The active substance is paracetamol.. Calpol Infant Oral Suspension contains 120 mg Paracetamol in each 5 ml.