How Will the Keystone XL Pipeline Be Built? If President Obama approves the hot-button Keystone XL pipeline, TransCanada has plenty of work to do to build the Montana-to-Nebraska connection. This is how its engineers plan to do it.
Side effects of a dose of levothyroxine that is too low would be similar to the symptoms of hypothyroidism. Symptoms of hypothyroidism, or underactive thyroid, include fatigue, weight gain, and constipation.
It is also used for pituitary TSH suppression. Common side effects of Synthroid include fever, hot flashes, sensitivity to heat, sweating, headache, nervousness, irritability, nausea, sleep problems (insomnia), changes in appetite or changes in weight, and transient hair loss.Some women experience menstrual changes.all your doctor at once if you have a serious side effect such as: 1  headache; 2  sleep problems (insomnia); 3  feeling nervous or irritable; 4  fever, hot flashes, sweating; 5  pounding heartbeats or fluttering in your chest; 6  changes in your menstrual periods; or. 7  appetite changes, weight changes.