Corn silk was first documented for use in treating incontinence by the Incans in Central America, this is an old remedy used in both canines as well as humans.
Corn silk contains proteins, carbs, vitamins, fibre, and minerals, it has many uses with properties of many diuretics as well and can improve and increase the output of urine in animalls without increasing or contributing to any irritation.
Corn silk is widely seen as a relatively safe product to use for dogs and humans alike, but there are some possible side effects and precautions,
Corn silk should not be used in large doses during pregnancy.
Corn silk can affect blood sugar levels and therefore not suitable for dogs with diabetes.
Corn silk can affect the potassium levels in the blood which can cause itching and the appearance of a rash.