Common side effects of levothyroxine include heat intolerance, anxiety, increased appetite, weight loss, insomnia, diarrhea, palpitations, tachycardia, hypertension, angina, increased bowel frequency and menstrual irregularities. These side effects typically appear several weeks after starting your medication.evothyroxine is a drug that is used to treat a sluggish thyroid or hypothyroidism. Levothyroxine is used to stimulate an underactive thyroid, or hypothyroidism.
Nixon Genealogy & History. Nixon is a surname of medieval English origin. This patronymic derives from the ancient Greek Nikolaos, from nike, meaning victory, and laos, meaning people. Nixon family history shows that the name was first recorded in Nottingham in 1309 as Robert Nikkesune.
1 Pat Ryan (curler) (born 1955), Canadian curler. 2  Pat Ryan, maiden name of Pat Nixon (1912â1993), First Lady of the United States.  Pat Ryan (boxer) (born 1952), New Zealand boxer.