Possible Side Effects of FOLFIRI (Leucovorin, 5 ...

Sep 30, 2015 · In 100 people receiving Letrozole, from 4 to 20 may have: Constipation, diarrhea, nausea, vomiting, loss of appetite, heartburn. Swelling of the body. Loss of bone tissue, broken bone, or decreased height. Dizziness, headache. Difficulty sleeping. Fluid around lungs. Swelling of the liver which may cause belly pain. Worry, depression, mood ... ................
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