How much miralax do you give a cat for constipation? Miralax™ (polyethylene glycol 3350): This can be picked up over the counter and mixed with a small amount of canned cat food. Check with your veterinarian first, but I generally use1/8 to 1/2 a teaspoon every 12-24 hours orallya...
I have found a nice fluid laxative, Lactulose 66.7mg/l, but please consult a doctor before trying it out, it has some side effect but according to my dr, it makes much less disturbance than other types of laxatives. I use it one/twice a month, but I remember times when I used it ...