https://www.vetsurgeon.org/f/clinical-questions/28369/miralax-laxative-for-cat-on-y-d-food This cat is very stable on Y/d food but gets constipated occasionally and obviously shouldn&#39;t be fed anything else. I tend to to use miralax off license but have no idea if it contains iodine...has anyone else used it in cases like this....or woulden-USTelligent Community 10https://www.vetsurgeon.org/thread/213690?ContentTypeID=1Wed, 17 Jul 2019 22:55:54 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:f0130170-14a5-4c8a-b673-4ec67dbca448Sara Ramsey<p>Thank you. The above link is for Micralax rather than Miralax ( polyethylene glycol).</p> <p></p> <p>Google was indeed my friend&nbsp;<img src="/emoticons/v2/Very_happy_smiley.png" alt="Very happy" /> and Miralax is listed as an iodine free laxative that can be used before a thyroids cancer survey in human patients. Managed to find a bit of time today and might be useful info for those few older cats that&#39;s stabilise on Y/d and get constipated.</p><div style="clear:both;"></div>https://www.vetsurgeon.org/thread/213408?ContentTypeID=1Wed, 10 Jul 2019 21:10:44 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:42ea8de8-590f-4fac-9d40-df120b168417Rob Loxley<p>Google is your friend:&nbsp;&nbsp;<a target='_blank' href="https://www.medicines.org.uk/emc/product/9099/pil">https://www.medicines.org.uk/emc/product/9099/pil</a>&nbsp;lists the ingredients</p><div style="clear:both;"></div>