Being a natural coolant, amla, in some people can increase urine frequency. For them, it is best to take amla with a pinch of sandalwood powder. This should resolve the problem. 

It is safe in children, during pregnancy and lactation.

But because it is a natural coolant, some people with cold or cough may observe that the symptoms are worsening, if they are eating Amla fruit or taking Amla powder alone.

Consuming excess of Amla fruits – More than 4 per day can cause skin dryness in some people. Some people alsofeel dryness of hair due to this. Dryness is associated with coldness. Hence, taking excess of amla can cause dryness. For such people, it is best to take it along with a little ghee or oil.