Rickets is what we often call “calcium deficiency”. Now the living standard has been raised, but incidence rate of rickets is still high. The main manifestations of calcium deficiency in children are hyperhidrosis, night terrors, restlessness, occipital process and various bone changes. The excessive sweating caused by calcium deficiency is also called night sweat and night sweat. Especially after sleeping at night, sweating is a typical calcium deficiency. During the day, it is normal to sweat when taking milk or activities, not calcium deficiency.
1. Premature and low birth weight (less than 3kg);
2. Children born to calcium deficient mothers during pregnancy;
3. Children raised by calcium deficient mothers during lactation;
4. Children less exposed to the sun;
5. Children who grow too fast;
6. Children with little milk.