What age do you have to be to buy calpol?

In the UK, there is no specific legal age requirement to purchase Calpol, as it is an over-the-counter medication. However, it is typically intended for use in children, and adults usually buy it for their children. Retailers may have their own policies regarding the sale of such products to ensure they are sold responsibly. Always follow the guidance on the packaging and consult a healthcare professional if unsure.