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2. DIABETES MELLITUS. Affects approx. 5
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DRUGS FOR THE TREATMENT OF DIABETES MELLITUS
2. 2 DIABETES MELLITUS
Affects approx. 5 – 8 %
Mostly asymptomatic
Tendency increase with obesity
One of the leading cause of death by disease
One of the leading cause of blindness
One of the leading cause of renal failure
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4. 4 EFFECTS OF INSULIN
CARBOHYDRATES
5. 5 INSULIN DEFICIENCY – DIABETES MELLITUS
GLUCOSE UPTAKE
HYPERGLYCEMIA
GLYCOSURIA
DEHYDRATION,
6. 6 Insulin Degradation
Hydrolysis of the disulfide linkage between A&B chains.
60% liver, 40% kidney(endogenous insulin)
60% kidney,40% liver (exogenous insulin)
Half-Life 5-7min (endogenous insulin)
Delayed-release form( injected one)
Category B ( not teratogenic)
Usual places for injection: upper arm, front& side parts of the thighs& the abdomen.
Not to inject in the same place ( rotate)
Should be stored in refrigerator& warm up to room temp before use.
Must be used within 30 days.
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16. 16 Methods of Adminisration Insulin Syringes
Pre-filled insulin pens
External insulin pump
Under Clinical Trials
Oral tablets
Inhaled aerosol
Intranasal, Transdermal
Insulin Jet injectors
Ultrasound pulses
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20. 20 Oral Hypoglycemics All taken orally in the form of tablets.
Pts with type11 diabetes have two physiological defects:
Abnormal insulin secretion
Resistance to insulin action in target tissues associated with decreased number of insulin receptors
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37. 37 Advantages of Metformin over SUs
Does not cause hypoglycemia ( why ? )
Does not result in wt gain ( why ? )
( Ideal for obese pts )
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