Take Synthroid exactly as prescribed by your doctor
Take it once daily, usually in the morning
Take it on an empty stomach
Take it 30 to 60 minutes before breakfast
Swallow the tablet with a full glass of water
Take it at the same time each day
Do not take it with food
Do not take it with calcium, iron, antacids, or multivitamins at the same time
Separate calcium, iron, antacids, and multivitamins by at least 4 hours
Do not stop taking it without medical advice
If you miss a dose, take it as soon as you remember unless it is close to the next dose
Do not double the dose unless your doctor tells you to
Follow your doctor’s instructions for blood tests and dose changes