宝宝补钙的用药时间需要根据具体情况进行调整，主要是根据孩子的年龄、身体状况、饮食习惯等因素来确定。
一般情况下，新生儿到3岁的宝宝需要每天摄入足够的钙质，以帮助他们健康成长。早期补钙主要是通过母乳或配方奶粉来实现。对于较大的儿童，可以通过一些补充钙的食品来获得额外的营养。但如果孩子身体状况不好或食用的食品不够满足需求，就需要进行药物补钙。
药物补钙一般需要持续一段时间，以保证宝宝的身体获得足够的营养。具体时间需要根据医生的建议来确定。通常情况下，孩子每天需要摄入500~800毫克的钙质。但具体摄入量还要根据年龄、性别、体重、个人需要等因素来进行调整。
General considerations for infants should always include breastfeeding on demand or commercial infant formula until they are about 12 months of age. If an infant needs a supplement or a prescription of calcium， the doctor will carefully evaluate the infant’s condition and prescribe a dosage needed to help him grow properly. Caution should be taken when an infant receives large amounts of calcium supplements， as they can cause health risks， such as constipation， feeding intolerance， or mineral imbalances.
As for toddlers， children who are not getting enough calcium from foods or who have a medical condition may need calcium supplements. Toddlers generally need 500 to 800 milligrams of calcium a day. Calcium supplements are available in a variety of forms， including tablets， capsules， chews， and liquids. Children should not exceed the recommended dosage of calcium or any other supplement.
In conclusion， the amount of time an infant need calcium supplement varies based on several factors such as age， health status， and diet. Children require sufficient calcium for proper bone and teeth development， meaning that calcium intake should be carefully monitored from a child's infancy through adolescence. A pediatrician or other qualified healthcare practitioner should always be consulted before administering calcium supplements to children， and any dosages or regimens discussed should be strictly followed to ensure optimal health and safety.
