Now parents can help ease even the smallest cold person at the first sign of their symptoms with coldcalm Liquid Dose. Coldcalm Liquid Dose temporarily relieve sneezing, runny, nose, and nasal congestions for children 6 months of age and older. Now parents can help ease even the smallest cold person at the first sign of their symptoms with coldcalm Liquid Dose. Coldcalm Liquid Dose temporarily relieve sneezing, runny, nose, and nasal congestions for children 6 months of age and older. Before their first birthday, most babies will catch seven or more colds if they receive a child care center. Boiron Cold Calm Liquid Dosages are safe and effective for children six months and up. Cold Calm Liquid Dosages are a soothing balm for your child.