Antidiabetic Drugs Flashcards
Nasal/bolus insulin dose
Diabetes mellitus the routine of taking a long acting insulin to keep blood glucose levels stable during fasting periods and shorter acting insulin to prevent rises in blood glucose after meals
Diabetes mellitus
Disease in which insulin doesn’t help glucose enter the cell
Diabetic ketoacidosis (DKA)
Life threatening deficiency of insulin, resulting in severe hyperglycemia and excessively high levels of ketones in the blood
Glucagon
Hormone secreted by the alpha cells of the pancreas that increase the concentration of glucose in the blood
Glucometer
Device to monitor blood glucose level
Glycoslated hemoglobin
Blood test that monitors average blood glucose level over a 3-4 month period
Incretin hormones
Hormones that stimulate an increase of insulin from the beta cells of the pancreas, they slow gastric emptying and inhibit glucagon release
Lipodystrophy
Atrophy of subcutaneous fat
Polydipsia
Excessive thirst
Polyphagia
Eating large amounts of food
Polyuria
Increased urination
Prediabetes
A conviction of blood glucose higher than normal, yet not to a diabetic level as evidence by an impaired glucose tolerance/fasting glucose, or metabolic syndrome
How does insulin affect blood glucose levels
Insulin insufficiency results in elevated blood glucose levels
Major symptoms of type 1 and type 2 diabetes
Hyperglycemia, polydipsia, polyphagia, polyuria, and weight loss
Insulin onset
When insulin first begins to act in the body
Insulin peak
When the insulin is exerting maximum action
Insulin duration
The length of time the insulin remains in effect
Insulin MOA
Helps glucose molecules enter the cells of striated muscle and adipose tissue , stimulates the synthesis of glycogen by the liver and promotes protein synthesis and helps the body store fat by preventing its breakdown for energy
Insulin analogs ex
Lispro, aspart, and glulisine
Insulin analogs use
Fast onset, slow release, long duration: used for premeal coverage, Constance administration in an insulin pump, or basal insulin administration
Glargine MOA
Very slow and even release into bloodstream, so it doesn’t have a peak action
Insulin products use
Replace insulin hormone in type 1 diabetes, supplement insulin production of type 2 diabetes when uncontrolled by TLCs or other antidiabetics, treat severe diabetic ketoacidosis, diabetic coma, hypokalemia in combination with glucose
Insulin products side effects
Hypoglycemia, and hyperglycemia
When does hypoglycemia occur
Too much insulin in relation to glucose, can occur when they eat too little food or go too loony between meals, drastically increased demands (activity or illness), too much insulin is given
When does hyperglycemia occur
Too little insulin in comparison to glucose, can occur when they eat too much food, too little insulin is given, emotional stress, infection, surgery, pregnancy, or an acute illness
How can someone become insulin resistant
When antibodies develop against insulin, these patients have impaired receptor function and require much higher doses
Hypoglycemia signs
Sudden onset, blood glucose less than 60 mg/dL, fatigue, weakness, nervousness, agitation, confusion, diplopia, convulsions, dizziness, unconsciousness, rapid and shallow breathing, hunger, nausea, pale, moist and cool skin, numbness, tingling of lips or tongue
Hyperglycemia signs
Gradual onset, blood glucose higher than 200 mg/dL, drowsiness, dim vision, deep and rapid breaths, thirst, nausea, vomiting, abdominal pain, loss of appetite, dry, flushed and warm skin, rapid and weak pulse, and acetone breath and excessive urination
Insulin products contraindications
Hypoglycemic
Insulin precautions
Renal or hepatic impairment, pregnancy (cat B) and lactation
Glargine pregnancy cat
C
Aspart pregnancy cat
C
Insulin pregnancy considerations
Dose decrease in 1st trimester, increases in 2nd and 3rd trimester, and decrease fast after delivery, and pregnant women should have good metabolic control
Drugs that decrease the effect of insulin
Acetazolamide, albuterol, antipsychotics (atypical), asparaginase, calcitonin, oral contraceptives, corticosteroids, cyclophosphamide, danazol, dilatásemos, diuretics, dobutamine, epinephrine, estrogens, glucagon, HIV antivirals, isoniazid, lithium, morphine, niacin, nicotine, phenothiazines, phenytoin, progestogens, protease inhibitors, somatropin, terbutaline, thyroid hormones
Drugs that increase the effect of insulin
ACE inhibitors, alcohol, anabolic steroids, oral antidiabetics, beta blockers, calcium, clonidine, disopyramide, fluoxetine, fibrates, lithium, mebendazole, pentamidine, pentoxifylline, pyridoxine, salicylates, somastatin analog, tetracycline
Oral antidiabetic drugs use
Used with insulin with type 2 diabetes, and won’t help type 1 diabetes
Biguanides MOA
Sensitized the liver to circulating insulin levels, reduces intestinal glucose absorption, and reduces hepatic glucose production
Biguanides use
1st choice for initial type 2 diabetes, and usually started alone, they don’t increase insulin levels or cause weight gain
Biguanides ex
Metformin
Metformin side effects
When taken with insulin, it can cause hypoglycemia, and other side effects include nausea, vomiting, diarrhea, and increased flatulence, (usually taken with food to minimize GI reactions)
Metformin contraindications
Poor kidney function, people older than 80, and pregnancy (cat B) and lactation, and temporarily discontinued for surgical procedures
Metformin interactions
Contrast medium (in radiologic studies) can cause acute kidney failure, vitamin B12 malabsorption, increased whisk for lactic acidosis with glucocorticoids
Lactic acidosis symptoms
Malaise, abdominal pain, rapid respirations, shortness of breath, and muscular pain. Cardiovascular collapse can happen if not treated
Glucagon-like peptide 1 Agonists MOA
Injectable, mimic the incretin hormone, GLP-1, which stimulates insulin release when a person eats
Glucagon like peptide 1 Agonists ex
Albiglutide, dulaglutide, and exenatide, liraglutide
Glucagon like peptide 1 Agonists
Type 2 diabetes