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Pharmacist and Patient

How to obtain Euthyrox (levothyroxine) tablets

In this day and age, it is common to have your levothyroxine prescription filled with a variety of different products, many from different countries.  It's important to note however that the FDA has determined that some levothyroxine products are interchangeable and can be substituted based on their AB rating.  

Steps to ensure you are getting Euthyrox (levothyroxine sodium)

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Steps you can take to ensure you obtain Euthyrox

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Ensure that Euthyrox is selected in your healthcare provider's electronic ordering system

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Ensure that the appropriate state approved language (see below) is selected/used within the electronic system or on the Prescription pad

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Check to make sure everything looks good

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Use State Specific Language to ensure your Rx is filled with Euthyrox (see table below)

Instructions for use of table - Use Search box to type specific state and press Enter



EUTHYROX® (levothyroxine sodium) tablets, is a prescription, thyroid hormone that is used to treat a condition called hypothyroidism. It is usually taken by mouth and should be taken as directed by your healthcare provider. It is meant to replace a hormone that is normally made by your thyroid gland. Generally, thyroid replacement treatment is to be taken for life. EUTHYROX should not be used to treat noncancerous growths or enlargement of the thyroid in patients with normal iodine levels, or in cases of temporary hypothyroidism caused by inflammation of the thyroid gland (thyroiditis).



Thyroid hormones, including EUTHYROX, should not be used either alone or in combination with other drugs for the treatment of obesity or weight loss. Larger doses may result in serious or even life-threatening events, especially when used in combination with certain other drugs used to reduce appetite.

• Do not use EUTHYROX if you have uncorrected adrenal problems. • Use EUTHYROX only as directed by your prescriber. Take EUTHYROX as a single dose, preferably on an empty stomach, one-half to one hour before breakfast. • Tell your doctor if you are pregnant or breastfeeding or are thinking of becoming pregnant while taking EUTHYROX. Your dose of EUTHYROX may need to be increased during your pregnancy. • Taking too much levothyroxine has been associated with increased bone loss, especially in women after menopause. • Once your prescriber has found your specific EUTHYROX dose, it is important to have lab tests completed, as ordered by your doctor, to ensure that you are on the correct dose. • Talk with your healthcare provider about your diet as foods like soybean flour, cottonseed meal, walnuts, and dietary fiber may cause your body to absorb less EUTHYROX from the gastrointestinal tract. Grapefruit juice may cause your body to absorb less levothyroxine and may reduce its effect. If you eat these types of food, your dose of EUTHYROX may need to be adjusted. • Products such as iron and calcium supplements and antacids can lower your body’s ability to absorb levothyroxine, so EUTHYROX should be taken 4 hours before or after taking these products. • It may take several weeks before you notice an improvement in your symptoms. • Tell your doctor if you are taking any other drugs, including prescription and over-the-counter products. • Tell your doctor about any other medical conditions you may have, especially heart disease, diabetes, blood clotting problems, and adrenal or pituitary gland problems. The dose of other drugs you may be taking to control these conditions may have to be changed while you are taking EUTHYROX. If you have diabetes, check your blood sugar levels and/or the glucose in your urine, as ordered by your doctor, and immediately tell your doctor if there are any changes. If you are taking blood thinners, your blood clotting status should be checked frequently. • Tell your doctor or dentist that you are taking EUTHYROX before any surgery. • Tell your doctor if you develop any of the following symptoms: rapid or abnormal heartbeat, chest pain, shortness of breath, leg cramps, headache, nervousness, irritability, sleeplessness, shaking, change in appetite, weight gain or loss, vomiting, diarrhea, increased sweating, difficulty tolerating heat, fever, changes in menstrual periods, swollen red bumps on the skin (hives) or skin rash, or any other unusual medical event. • Partial hair loss may occur during the first few months you are taking EUTHYROX.

This is the most important safety information you should know about EUTHYROX®. For more information, talk with your healthcare provider.  

Please refer to the full prescribing information located with your EUTHYROX® prescription or visit  

You are encouraged to report negative side effects of prescription drugs to the FDA.  You can do this by contacting Provell Pharmaceuticals, LLC at 1-888-899-7041 or by clicking here or contact the FDA at 1 800 FDA 1088 or visit


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