Groom the cat regularly to remove dead hair from the coat. Keep the cat's litter box extremely clean to promote regular defecation. Do not change litter box brands abruptly. Remove covers from the litter box to prevent odor. There are many different types of laxative and cathartic drugs that you can use to treat constipation.
Laxatives are usually milder and cause the elimination of formed feces.
In most cases, cathartic drugs will induce diarrhea. Consult with your veterinarian before giving your cat any medication. The prognosis for cats with impaction depends on the underlying cause and duration of the impaction. Mild cases usually have a good prognosis, but severe cases may lead to a secondary megacolon. You should be aware of the possibility of continued preventative and maintenance therapy.