Prozac is especially helpful for patients with major depression, dysthymia (the milder version of major depression), and obsessive-compulsive disorder, as well as for patients who lack energy, feel listless, and chronically function below par, symptoms typically seen in subclinical depression. In addition, psychiatrists who have read individual claims of Prozac’s usefulness in treating bulimia and other disorders can probably feel safe prescribing Prozac to individual patients with these symptoms.
The FDA has completed some of its evaluations, and Prozac is now approved for major depression, obsessive-compulsive disorder, and bulimia. Despite its popularity, Prozac should be prescribed with care and not simply handed out to anyone who wants it.
What are the effects of Prozac on kidney function? Because the kidneys are responsible for the elimination of Prozac, an impaired and hence less efficient kidney may cause the drug to accumulate in the body. For this reason, patients with renal disease, as evidenced by high BUN or serum creatinine, including those undergoing hemodialysis, should take smaller than normal doses of Prozac. (Again, the same recommendation holds for patients with kidney disease who are receiving other SSRIs for their depression. Regular monitoring is required and nephrologists should be consulted.)
Can diabetics safely use Prozac if depressed? The use of Prozac in diabetic patients may alter the blood sugar control. Hypoglycemia, an abnormally low amount of glucose in the blood, has been reported in diabetic patients taking Prozac, and discontinuing therapy has occasionally produced hyperglycemia, an abnormally high concentration of sugar in the blood.
There is insufficient data to prove that Prozac alone can cause all of these changes in blood sugar, and so most diabetic patients may be treated safely with Prozac. However, when initiating therapy with Prozac and later when discontinuing its use, it is important to keep a close watch on blood glucose levels and adjusts insulin three to four times a day accordingly. My depressed diabetic patients have done extremely well on long-term Prozac.
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