1. Long-acting and consistent effect: Lantus insulin is a long-acting insulin that provides a consistent and continuous effect over 24 hours, which can help in maintaining stable blood sugar levels throughout the day and night.
2. Reduced risk of hypoglycemia: Lantus insulin has a lower risk of causing hypoglycemia (low blood sugar) compared to short-acting insulin, as it provides a steady and prolonged release of insulin. This may be beneficial for individuals who are at higher risk of hypoglycemia.

Cons:

1. Requires proper dosing and timing: Lantus insulin requires careful dosing and timing to ensure optimal blood sugar control. The dosing needs to be determined by a healthcare provider based on individual needs and may require adjustments over time. Incorrect dosing or timing can result in inadequate blood sugar control or increased risk of hypoglycemia.
2. Potential for side effects: Like any medication, Lantus insulin has the potential for side effects, such as injection site reactions, allergic reactions, and hypoglycemia. It’s important to be aware of the potential side effects and to follow proper injection techniques and dosing instructions as prescribed by a healthcare provider.