While most people enjoy drinking dandelion tea, some people should check with a healthcare professional first. Dandelion could trigger allergic reactions in people allergic or sensitive to ragweed. Also, people are on certain medications like diuretics, medicine for kidneys, or people taking certain antibiotics.  Dandelions have been employed in traditional medicine to encourage lactation. In any case, research has not established whether dandelion tea is safe for women who are pregnant or breastfeeding. Therefore, it is advised that you speak to a doctor before consuming dandelion tea.