Yes it's normal, keep yourself well hydrated so you have the supply coming.

It's fine don't worry as substitute you can give formula milk which contains prebiotics in it which is good for babies immunity and gut health and over all development

For breastmilk substitute, choose a formula that's closest to breastmilk and which contains prebiotics as it strengthens baby's gut and helps boost their immunity.

<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/6365">How To Increase Breast Milk</a></b></span>

Yes it's absolutely common Hema and happens with few people. You can give a good formula milk powder to ur child. We are giving Aptamil.