The Importance Of Metformin As Administered Orally

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Metformin is administered orally. It is manufactured in active form. It is recommended that this medication be taken with food, but this decreases the bioavailability by delaying absorption (Wilbur, 2013). This medication undergoes first pass metabolism in the liver. On an empty stomach, the bioavailability of Metformin is approximately 50% to 60% and it takes 4 to 8 hours to reach peak plasma levels with steady state plasma levels being reached within 24 to 48 hours (U.S. Food and Drug Administration [FDA], 2008). Metformin is eliminated through first-order kinetics with a half-life of close to 17 hours and it is excreted almost exclusively unchanged in the urine through tubular secretion (FDA, 2008).

Metformin is prescribed for long-term treatment of Type II Diabetes Mellitus. It can be used alone or in combination with other drugs for diabetes management as part of a health plan that includes proper diet and exercise. Metformin, which has a low affinity for plasma protein binding, limits glucose production in the hepatic system, lowers absorption of glucose in the intestines and improves insulin sensitivity by enhancing uptake and utilization of glucose (FDA, 2008). This drug does not cause an increase in insulin, making it less likely to cause a patient to become hypoglycemic compared with other common antihyperglycemic medications.

The most common sides effects associated with Metformin are gastrointestinal complaints; some of which are severe enough to cause patients to discontinue the medication. These include diarrhea, nausea, vomiting and indigestion (Wilbur, 2013). Patients should see a decline in these side effects with continued use. Taking Metformin with food helps with these GI side effect...

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...ion’s recommended immunization schedules for aged 0 through 18 years, the following vaccinations should be considered:
 Meningococcal; 1 dose of Menactra or Menveo
 Tetanus, diphtheria, & acellular pertussis (Tdap); 1 dose with toxoid booster every 10 years
 Human papillomavirus; 3 dose series at 0, 1-2, and 6 months scheduled
The patient should also receive annual influenza vaccines.
(Centers for Disease Control and Prevention, 2016)

The patient should be assessed for egg allergy before administering vaccinations. Common side effects of these vaccines may include low-grade fever and discomfort at the injection site. The Tdap vaccine is contraindicated in patients with a history of Guillain-Barre Syndrome (Arcangelo, 2013). As with any vaccine, previous reaction to these vaccines or any of their components is a contraindication for vaccine administration.

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