It is safe to breastfeed if you have common infections because these germs don’t pass into breast milk. Even mastitis which is a breast infection does not pose any risk for breast-feeding baby.

However it is not all infections that you can breastfeed with.

Can i breastfeed when i have these infections ?

• HIV : It is not recommended that you breastfeed when you have HIV
• hepatitis A : Its safe to breastfeed
• hepatitis B :  It is safe to breastfeed. Baby should receive a dose of hepatitis B immune globulin (HBIG) and the first of three doses of hepatitis B vaccine soon after birth.
• herpes simplex : You can breastfeed as long as there is no lesions on your breast. You can also use milk that you expressed while you have lesions on your breast.
• infectious tuberculosis : You can breastfeed  after you have undergone treatment for at least 2 weeks  and you’re no longer contagious. It is safe to use expressed milk
• lyme disease : It is safe to breastfeed
• chicken pox : Avoid contact with your baby if the infection began within five days before giving birth or two days afterward even though it is okay to use expressed milk. After this period, breastfeeding is okay
• Cytomegalovirus (CMV) : It is usually safe to breastfeed but you have to check with your child’s doctor first. This virus can pass through breastmilk and in rare cases lead to health problems especially in preterm babies with extremely low birth weight