There are five main “problems” to watch out for or deal with if you exclusively pump:
Dealing with painful nipples is challenging especially since when you are exclusively pumping, you have to keep on a schedule to keep up the milk supply. As a result, rest is not an option. These articles list some of the most common issues and solutions.
Thrush while pumping
Thrush is a fungal infection (also known as yeast) that can affect both you (on your breasts) and your baby (in the mouth). Learn about the signs & symptoms as well as treatment for both you and baby.
Blocked Milk Duct
Why might milk ducts become blocked and how to prevent and treat them when they do:
What causes your breasts to engorge, fill up with milk, tingle, ache, harden, and feel like they’ll burst any second, and what can you do for breast engorgment relief?
Tips to relieve engorgement (includes a video)
When engorgement is not treated, it can sometimes lead to mastitis — a painful inflammation of the breast.
At the first sign of mastitis, massage and apply breast compression