When dealing with a milk duct blockage while nursing my son I spent approximately twenty four hours nursing from the right breast (the one experiencing the blockage) first, then the next day returned to alternating breasts at each feeding. (whattoexpect.com)
Cholestatic liver disease, however, specifically involves bile duct blockage. (dogcare.dailypuppy.com)
If the problem is from lacrimal duct blockage, the obstruction will have to be addressed. (pethealthnetwork.com)