MedicineNet.com
MedicineNet home Picture Slideshows Diseases and conditions Symptoms and signs Procedures and tests Medications Health and Living Health news and views MedTerms medical dictionary
Font Size
A
A
A
Disclaimer


LEVOTHYROXINE-ORAL (cont.)

DRUG INTERACTIONS: Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription drugs you may use, especially of: warfarin, digoxin, estrogen products (including estrogen-containing birth control pills), diabetes medicines (e.g., insulin, glipizide, rosiglitazone), amiodarone, iodide (including radiographic contrast agents containing iodine), lithium, anti-thyroid agents (e.g., methimazole, propylthiouracil), androgens/anabolic steroids, glucocorticoids (e.g., dexamethasone, prednisone), high dose salicylates (e.g., aspirin), phenobarbital, rifamycins (e.g., rifampin), beta blockers (e.g., propranolol), antidepressants (e.g., amitriptyline, maprotiline, sertraline), cytokines (e.g., interferon-alpha, interleukin-2), growth hormones, ketamine, theophylline. Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients such as decongestants or caffeine that could increase your heart rate or blood pressure. Ask your pharmacist about the safe use of these products. Certain medicines may decrease absorption of this drug into your bloodstream. Therefore, take levothyroxine 4 hours apart from: calcium supplements, iron supplements, aluminum, calcium or magnesium antacids, simethicone, cholestyramine, colestipol, sucralfate, sodium polystyrene sulfonate. Certain foods may decrease absorption of this medication when taken at the same time. Take levothyroxine separately from: soybean flour (soybean infant formula), walnuts, dietary fiber. Do not start or stop any medicine without doctor or pharmacist approval.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: excessive sweating, extreme nervousness, irregular heartbeat, chest pain, seizures.

NOTES: Laboratory and/or medical tests (e.g., thyroid function tests) should be done periodically to monitor the effectiveness of this medication. Inform your doctor if you change to a different brand of thyroid hormone.

MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up. Call your doctor if you miss 2 or more doses in a row.

STORAGE: Store at room temperature (77 degrees F or 25 degrees C) away from light and moisture. Brief storage between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.


Last Editorial Review: 3/2/2005




Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


Printer-Friendly Format  |  Email to a Friend


Suggested Reading by Our Doctors
MedicineNet Doctors
  • thyroid replacement-oral - Consumer information about the medication THYROID REPLACEMENT - ORAL , includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug THYROID REPLACEMENT - ORAL.
  • Thyroid Blood Tests - Read about thyroid blood tests, which are used to diagnose disease of the thyroid such as hyperthyroidism and hyperthyroidism, as well as point to other diseases of the thyroid gland.
  • Hypothyroidism - Learn about Hypothyroidism (underactive thyroid) including causes, symptoms (such as weight gain, fatigue, and depression), diagnosis, and treatment.

Latest Medical News


Back to Medications Index

copyright


Women's Health

Find out what women really need.




Symptoms & Signs A-Z List Pinpoint Your Symptoms - Start Now Symptoms & Signs A-Z List Symptoms & Signs by Female Body Region Symptoms & Signs by Male Body Region

Topics Related to levothyroxine sodium, Synthroid, Levoxyl, Levothroid, Unithroid



Fatigue or Something More?Fatigue or Something More?
If you’re feeling tired all the time, the problem may be more dangerous than you might think. See more WebMD Videos »






For a Better Understanding
LEVOTHYROXINE-ORAL Related Articles







Health categories:

Slideshows | Diseases & Conditions | Symptoms & Signs | Procedures & Tests | Medications | Health & Living | News & Views | Medical Dictionary

Popular health centers:

Allergies | Arthritis | Cancer | Diabetes | Digestion | Healthy Kids | Heart | Men's Health | Mental Health | Women's Health | More...

Publications:

ePublications (PDFs) | XML News via RSS | Audio Podcasts | Email Newsletters

MedicineNet.com:

About Us | Privacy Policy | Search Help | Site Map | WebMD® | Medscape® | eMedicine® | eMedicineHealth® | RxList®

This website is certified by Health On the Net Foundation. Click to verify. This site complies to the HONcode standard for trustworthy health information:
verify here.

©1996-2009 MedicineNet, Inc. All rights reserved. Notices and Legal Disclaimer.
MedicineNet does not provide medical advice, diagnosis or treatment. See additional information.