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ISSN 0973 - 0958
INSULIN THERAPY
Insulin Delivery:
The various methods of insulin delivery are by injections, insulin pens, and insulin pumps and lately by inhalation (EXUBERA). The inhaled insulin is in the last phase of clinical trial in USA and is expected to be
available in the market by next year.
1) Injection. The needle and syringe is the commonest of the four insulin delivery systems. Today's needles are much improved from years ago. They are sharper, finer, and coated with Teflon to make injections much less painful than they used to be.
Injections should be given preferably 20-30 minutes before the meal to achieve proper peak of insulin action corresponding to elevated sugar levels after a meal except Lantus which can be given just before the meals. The needle is to be inserted in the pinched up skin at 90o angle so that the injection is in the subcutaneous tissue. It is advisable to use disposable syringes, which are now easily available.
The cost of the syringe is often a limiting factor to the routine use of these syringes. Patients can reuse the same disposable syringe and decrease the costs. Insulin syringes may be reused 2-3 times if the needle is not blunt. The same syringe can be used for different sites but it should never be used on different patients.
1) Injection. The needle and syringe is the commonest of the four insulin delivery systems. Today's needles are much improved from years ago. They are sharper, finer, and coated with Teflon to make injections much less painful than they used to be.
Injections should be given preferably 20-30 minutes before the meal to achieve proper peak of insulin action corresponding to elevated sugar levels after a meal except Lantus which can be given just before the meals. The needle is to be inserted in the pinched up skin at 90o angle so that the injection is in the subcutaneous tissue. It is advisable to use disposable syringes, which are now easily available.
The cost of the syringe is often a limiting factor to the routine use of these syringes. Patients can reuse the same disposable syringe and decrease the costs. Insulin syringes may be reused 2-3 times if the needle is not blunt. The same syringe can be used for different sites but it should never be used on different patients.
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