The most common cause of feline constipation is consumption of too much hair, which a diet change won't exactly remedy. (vetinfo.com)
There are several cat food for constipation choices that have known properties for helping with feline constipation. (cat-health-guide.org)
To prevent hair balls (the number one cause of feline constipation), encourage bonding, and allow the chance to check for possible physical problems, cats should be groomed often. (cat-lovers-only.com)