A prescription iodine-restricted diet provides an alternative to medication and radioiodine for managing feline hyperthyroidism, with welfare implications for long-term dietary control.
Dietary management of hyperthyroidism offers a medication-free approach that avoids the stress of twice-daily pilling and the isolation required after radioiodine. However, the strict dietary compliance requirement creates its own welfare tensions - cats are highly food-motivated and restricting all access to other food sources in multi-cat households is logistically challenging. Cats who are not exclusively fed y/d do not receive adequate thyroid control. For cats who accept the diet and can be managed with strict compliance, this is a comfortable and effective management approach. For those who refuse the diet or live with other cats, alternative treatments may provide better welfare outcomes.