How is Levothyroxine dosed?
The recommended dosage of levothyroxine is usually 1.7 micrograms per kilogram of body weight per day. The dosage may vary based on individual factors such as age, weight, and medical condition. It is available in the form of capsules, solution, and tablets. Always follow your doctor's instructions or the label instructions when taking levothyroxine.
What is the dosage form of Levothyroxine?
Levothyroxine is available in the following oral dosage forms:
- Solution
- Tablet
- Capsules
The dosage for each form is determined by your doctor based on your age, body weight, and medical condition. Follow your doctor's instructions or the dosage directions on the label.
What medications are contraindication with Levothyroxine?
Levothyroxine may interact with certain medications. Avoid taking antacids containing aluminum, calcium, or magnesium within 4 hours of taking levothyroxine. Cholestyramine should be taken at least 1 hour before or 4 hours after levothyroxine. Furosemide (Lasix) should be taken at least 3-4 hours apart from levothyroxine. Phenobarbital, rifampin, and carbamazepine should be taken at least 4 hours before or after levothyroxine. Propranolol (Inderal) should be taken at least 2 hours before or 4 hours after levothyroxine. Warfarin (Coumadin) may interact with levothyroxine, requiring close monitoring of coagulation parameters. Consult your doctor or pharmacist for specific advice on medication interactions.
How is Levothyroxine administered?
Levothyroxine should be taken with water, either by swallowing the medication directly or by squeezing it into the mouth or a spoon. It is typically taken once a day on an empty stomach, one hour before or two hours after taking any other medications, including supplements or antacids. Do not eat grapefruit or drink grapefruit juice while using this medicine. Follow the dosing instructions provided by your healthcare professional.
What are common precautions when taking Levothyroxine?
When taking levothyroxine, avoid consuming grapefruit or grapefruit juice. Take it at least 4 hours before or after consuming certain medications or foods that may interfere with absorption. Inform your doctor about any allergies or medical conditions. Follow your doctor's dosing instructions and report any side effects or concerns.