Product Details: Regulates blood sugar levels Daily dosing Formulated for subcutaneous injection ; Product information:It is important to follow your Veterinarian's prescription instructions for your pet. Talk to your veterinarian before using this product. This product must remain refrigerated. Follow dosing directions exactly – don&rsquot give your cat more medication than directed and don&rsquot skip doses. Used with U-100 insulin syringes. Read the label carefully for information about storage, possible side effects, and drug interactions. Possible Side Effects: Hypoglycemia (dangerously low blood sugar), Somogyi effect hyperglycemia, insulin resistance, or a rapid insulin metabolism (using too much insulin too quickly) are all potential adverse reactions of Lantus. An overdose is likely to result in hypoglycemia, and in some cases, even death. Lantus Insulin U-100 10ml. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.