Insulin (medication)
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Insulin (medication)[edit | edit source]
Insulin is a medication used to treat diabetes mellitus. It is a hormone that is naturally produced by the pancreas and plays a crucial role in regulating blood sugar levels. Insulin therapy is essential for individuals with type 1 diabetes and may also be prescribed for some individuals with type 2 diabetes.
History[edit | edit source]
Insulin was first discovered and isolated by Frederick Banting and Charles Best in 1921. Their groundbreaking work led to the development of insulin as a medication for diabetes treatment. Prior to the discovery of insulin, diabetes was considered a fatal disease.
Mechanism of Action[edit | edit source]
Insulin works by allowing glucose (sugar) to enter cells, where it is used as a source of energy. In individuals with diabetes, either the pancreas does not produce enough insulin (type 1 diabetes) or the body's cells become resistant to the effects of insulin (type 2 diabetes). Insulin medication helps to compensate for these deficiencies and regulate blood sugar levels.
Types of Insulin[edit | edit source]
There are several types of insulin available, classified based on their onset, peak, and duration of action. These include:
1. Rapid-acting insulin: This type of insulin starts working within 15 minutes after injection and reaches its peak effect within 1-2 hours. It typically lasts for 3-4 hours. Examples include insulin lispro and insulin aspart.
2. Short-acting insulin: Also known as regular insulin, it takes effect within 30 minutes after injection and peaks within 2-3 hours. Its duration of action is around 3-6 hours. Insulin human is an example of short-acting insulin.
3. Intermediate-acting insulin: This type of insulin takes effect within 1-2 hours after injection and peaks within 4-8 hours. It typically lasts for 12-16 hours. Examples include insulin NPH and insulin detemir.
4. Long-acting insulin: Long-acting insulin starts working within 1-2 hours after injection and has a relatively flat and prolonged effect. It does not have a distinct peak and can last for up to 24 hours. Examples include insulin glargine and insulin degludec.
Administration[edit | edit source]
Insulin is typically administered via subcutaneous injection using a syringe, insulin pen, or insulin pump. The injection site is usually the fatty tissue just beneath the skin, such as the abdomen or thigh. It is important to rotate injection sites to prevent lipodystrophy (changes in fat tissue) and ensure proper absorption.
Side Effects[edit | edit source]
Common side effects of insulin therapy may include:
- Hypoglycemia (low blood sugar) - Weight gain - Injection site reactions (redness, swelling, or itching) - Allergic reactions (rare)
It is important to monitor blood sugar levels regularly and adjust insulin doses as needed to avoid complications.
Conclusion[edit | edit source]
Insulin is a vital medication for individuals with diabetes, helping to regulate blood sugar levels and prevent complications. With various types of insulin available, healthcare professionals work closely with patients to determine the most suitable treatment plan. Regular monitoring and proper administration of insulin are essential for maintaining optimal diabetes management.
References[edit | edit source]
Insulin (medication) Resources | |
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