Babies going through a nursing strike refuse to take the breast and seem unhappy, fussy, and displeased by not nursing. There are several physical and emotional reasons behind why your baby might be on a nursing strike.  These might include congestion, sore throat, illness, teething, frustration with milk supply, change in taste of milk, and so on. During this time, the vital thing to do is maintain your supply and ensure your baby is fed.  Once these things are ensured, you can get back your baby to leave their strike by encouraging them through several ways.