A crossword is a word puzzle that normally takes the form of a square or a rectangular grid of white and black shaded squares. The goal is to fill the white squares with letters, forming words or phrases, by solving clues which lead to the answers.
You can take levothyroxine either one hour before meals or two hours after eating and one hour before taking other meds and any vitamins and supplements but two hours before taking iron or calcium. Source(s): I'm a nurse. Nope, your supposed to take it on an empty stomach, then eat an hour or so after you take it.
A Stacy Wiegman, PharmD , Pharmacy, answered. After beginning treatment with Synthroid (levothyroxine), you may notice symptom improvement in one to two weeks. However, it sometimes takes several weeks to notice an improvement. If you are taking Synthroid for an underactive thyroid, you will probably notice that you feel less tired as the drug starts to take effect.