Severe diarrhea, headache, fast heart rate, leg cramps,hair falling out. Select one or more newsletters to continue. doi:10.1177/1060028017705393. View all See additional information. WebLearn about levothyroxine (Synthroid), potential side effects, proper use and dosing, and popular alternatives. For these, please consult a doctor (virtually or in person). Only the name: Unithroid, Levoxyl, and Synthroid are all trade names for l- thyroxine (aka levothyroxine ). The ATA notes that this is especially important for certain groups of individuals, including: There are several brand name and generic levothyroxine products available on the market. Even though the FDA has designated Levoxyl and Synthroid as therapeutic equivalents, the American Thyroid Association (ATA), in their most recently published guidelines, advises not to switch between levothyroxine products, regardless of brand name or generic status. To provide you with the most relevant and helpful information, and understand which more Prescription only Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. information highlighted below and resubmit the form. Created for people with ongoing healthcare needs but benefits everyone. WebI had been on synthroid for 10 years and was fine. The study's authors looked at hypothyroidism patients between January 2008 and March 2016 who were started on either Synthroid or generic levothyroxine within a year of being diagnosed. Please describe the medication: levoxyl (thyroxine)? The U.S. Food and Drug Administration (FDA) considers these two medications to be therapeutically equivalent. Synthroid; Tirosint; Tirosint-Sol; Unithroid; Descriptions. To learn more, please visit our, They are both effective thyroid preparations used for treating. Is unithroid better than synthroid (thyroxine)? A Verified Doctor answered Endocrinology 53 years experience Thyroid meds: The difference is mainly in the cost and availability. Terms of Use Privacy Policy, Change In Thyroid Nodule Volume Calculator, Find an Endocrinology Thyroid Specialist, Clinical Thyroidology for the Public (CTFP). View more, Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Adverse reactions associated with levothyroxine therapy During their follow-up, the final TSH lab outcomes were "out of range" for 22.6% of patients who took the generic levothyroxine and 20.9% for those who took Synthroid. The difference is mainly in the cost and availability. Armour Thyroid is made from animal sources, whereas levothyroxine is synthetic (man-made). Levothyroxine sodium product information. Confectioner's sugar (contains corn starch). The U.S. Food and Drug Administration (FDA) considers most of these preparations to be equivalent to each other. Treating hypothyroidism Armour Thyroid is a brand name for a natural form of thyroid hormone. The levothyroxine dose may need to be adjusted in response to this monitoring. J Clin Endocrinol Metab. Unithroid and Synthroid are brand names for the drug levothyroxine. Levoxyl tablets contain the inactive ingredients: Calcium sulfate dihydrate Croscarmellose sodium Magnesium stearate The association emphasizes that "thyroid disease often requires lifelong therapy and is best managed with consistent and precise treatment with the same (type) of thyroid hormone.". But there is some controversy about whether it's as effective and reliable as the brand-name versions. Levoxyl tablets contain the inactive ingredients: Synthroid tablets contains the inactive ingredients: You may have a reaction, called a hypersensitivity reaction, to some inactive ingredients, but the active ingredient is the same in both medications and is not known to cause reactions. Synthroid is made by AbbVie and was first marketed in 2002. Like many people, you may be in the habit of asking for the generic equivalent of a medication to save money. If you switch from a brand-name to a generic preparation, you may notice that you don't feel as well on the generic drug. I am on levoxyl (thyroxine) .112 and becuse of the recall have to go to Synthroid .112..Which would you normally recommend for your patient and why? But that difference could add up to the equivalent of anywhere from about half a pill less to an entire pill more than your intended dosage over the course of a weekeven if you take your usual dosage as prescribed. Synthroid has an average rating of We comply with the HONcode standard for trustworthy health information. 51% of reviewers reported a positive effect, while 35% reported a negative effect. Review/update the There may be variations in CSA schedules between individual states. What can I eat for breakfast after taking levothyroxine? Available for Android and iOS devices. Read the entire FDA prescribing information for Unithroid (Levothyroxine Sodium). Medically reviewed by Sally Chao, MD. Mayo Clinic on Incontinence - Mayo Clinic Press, NEW Mayo Clinic on High Blood Pressure - Mayo Clinic Press, Mayo Clinic on Hearing and Balance - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press. WebSynthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. Ingredients added to drugs are usually considered "inert" or "inactive." Take a look at our Patient Web Brochure Hypothyroidism to learn more about hypothyroidism and how it is treated. Most brand-name drugs do not differ much from their generic counterparts, so switching between the two is not an issue. Manufacturers of any preparation of levothyroxine must ensure that their drug is within 5% of its stated potency, which must be between 95% and 105%, per the FDA. Call your doctor for medical advice about side effects. Carswell JM, Gordon JH, Popovsky E, Hale A, Brown RS. Synthroid is a brand name for levothyroxine, a synthetic (man-made) form of the thyroid hormone thyroxine, or T4. The required dosage varies from person to Lowest GoodRx Price levothyroxine (generic) $ 4.00. Read reviews from GoodRx users who have taken levothyroxine (Synthroid) and find the latest news on the drug. https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/021210s018lbl.pdf, https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf, https://www.aace.com/disease-and-conditions/thyroid/what-hypothyroidism, https://www.fda.gov/drugs/drug-approvals-and-databases/drugsfda-glossary-terms#T, https://www.liebertpub.com/doi/pdf/10.1089/thy.2014.0028. WebSynthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. Levothyroxine is a synthetic (man-made) version of thyroxine, or T4, the main hormone that is made and released by your thyroid gland. Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. Another concern is the many factors that can influence thyroxine absorption and availability to your body. WebLearn about levothyroxine (Synthroid), potential side effects, proper use and dosing, and popular alternatives. Does levothyroxine cause weight gain or loss? WebNP Thyroid may also be used for purposes not listed in this medication guide. The timing of meals relative to your levothyroxine dose can affect absorption of the medication View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions. To make the best decision, consult your healthcare provider. By Michael Bihari, MD 51% of reviewers reported a positive effect, while 35% reported a negative effect. To view a report comparing 3 (or more) medications, please sign in or create an account. Top answers from doctors based on your search: Created for people with ongoing healthcare needs but benefits everyone. What can I eat for breakfast after taking levothyroxine? headache, leg cramps, muscle pain or weakness; tremors, feeling nervous or irritable, trouble sleeping. What is the difference between Levoxyl and Synthroid? The levothyroxine is the same in all the preps; dyes & inert fillers may vary. Levothyroxine sodium product information. Certain side effects may be more likely in older adults. The effectiveness of levothyroxine is evaluated by monitoring your symptoms and by measuring the amount of T4 and another hormone called thyroid stimulating hormone (TSH) in the blood. Synthroid is made by AbbVie and was first marketed in 2002. Levothyroxine is a synthetic (man-made) form of the thyroid hormone thyroxine, often referred to as T4. Most medications are available in brand-name and generic preparations. Levoxyl tablets contain the inactive ingredients: Calcium sulfate dihydrate Croscarmellose sodium Magnesium stearate Euthyrox, Levoxyl, Tirosint, Unithroid (brand) $ 50.08. This content does not have an English version. Learn how we can help 3.9k views Answered >2 years ago Thank 4 thanks My endocrinologist put me on unithroid and the trouble started within 2 days. epiphyses in children with resultant compromised height. Severe diarrhea, headache, fast heart rate, leg cramps,hair falling out. Levothyroxine is a synthetic (man-made) form of the thyroid hormone thyroxine, which is often referred to as T4. Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. If i'm gaining weight on levoxyl (thyroxine) do I need a lower dose? 187 ratings on Drugs.com. WebUnithroid (levothyroxine) Prescription only Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. WebI had been on synthroid for 10 years and was fine. The American Thyroid Association recommends taking the same brand-name (or generic) medication throughout your treatment. WebNP Thyroid may also be used for purposes not listed in this medication guide. .If you are on unithyroid and controlled stay on it. I Their bio-availability is not equivalent, however, insurance constraints and csot often require the generic levo. Drugs & Vitamins Drugs A-Z Generic Drugs A-Z Drugs by Classification Drugs Comparison (Drug Vs. Hypothyroidism treatment usually involves thyroid hormone replacement medications. Armour Thyroid and Synthroid are both thyroid hormone replacement therapies. Most medications are available in brand-name and generic preparations. You should not use Unithroid if you have had a heart attack, thyroid disorder, or an adrenal gland disorder. The required dosage varies from person to person. Synthroid prices and generic prices. WebSynthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. Answer From Juan Brito Campana, M.B.B.S. WebI had been on synthroid for 10 years and was fine. The levothyroxine is the same in all the preps; dyes & inert fillers may vary. 6.1 out of 10 from a total of Thyroid disease often requires lifelong therapy and is best managed with consistent and precise treatment with the same brand of thyroid hormone. The thyroid gland and the hormones it produces help control important body functions such as body temperature and metabolism. Unithroid and Synthroid are both brand name products. They are both effective thyroid preparations used for treating. Click here for an email preview. See also: Unithroid side effects in more detail. By using our website, you consent to our use of cookies. The potency of one levothyroxine option may seem only slightly different from another. There may be variations in CSA schedules between individual states. Unithroid(Levothyroxine Sodium) side effects drug center, Medical Editor: John P. Cunha, DO, FACOEP. 187 ratings on Drugs.com. Connect with a U.S. board-certified doctor by text or video anytime, anywhere. Available for Android and iOS devices. Unithroid is available in generic form. Synthroid is a brand name for levothyroxine, a synthetic (man-made) form of the thyroid hormone thyroxine, or T4. It is made from the dried thyroid glands of pigs. Doctors typically provide answers within 24 hours. Levothyroxine is also used to help decrease the size of enlarged thyroid glands (also called a goiter) and to treat thyroid cancer. Only the name: Unithroid, Levoxyl, and Synthroid are all trade names for l- thyroxine (aka levothyroxine ). A total of 195 drugs are known to interact with NP Thyroid: A total of 203 drugs are known to interact with Synthroid: ** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. Tell your doctor about all medications and supplements you take. My endocrinologist put me on unithroid and the trouble started within 2 days. Levothyroxine is a synthetic (man-made) version of thyroxine, or T4, the main hormone that is made and released by your thyroid gland. Levoxyl and Synthroid contain the same active ingredient, levothyroxine, but they contain different inactive ingredients. The generic levothyroxine product may contain the brand name as part of the labeling, so be sure to inspect your tablets when you receive a refill. What are the differences in thyroid preparations? Do not stop taking this medication suddenly. If this is a concern for you, ask your pharmacist for a list of the ingredients in your prescribed drug. Each medication is available in many different tablet strengths. Synthroid is a brand name for levothyroxine, a synthetic (man-made) form of the thyroid hormone thyroxine, or T4. Does levothyroxine cause weight gain or loss? Even though the FDA has designated Unithroid and Synthroid as therapeutic equivalents, the American Thyroid Association (ATA), in their latest published guidelines, advises not to switch between levothyroxine products, regardless of the brand name or generic status. include protected health information. fertility. Synthroid is made by AbbVie and was first marketed in 2002. The required dosage varies from person to person. HealthTap uses cookies to enhance your site experience and for analytics and advertising purposes. View more. Please note, we cannot prescribe controlled substances, diet pills, antipsychotics, or other abusable medications. HealthTap uses cookies to enhance your site experience and for analytics and advertising purposes. Verywell Health's content is for informational and educational purposes only. For these, please consult a doctor (virtually or in person). Only the name: Unithroid, Levoxyl, and Synthroid are all trade names for l- thyroxine (aka levothyroxine ). Each medication is available in many different tablet strengths. Pottel J, Armstrong D, Zou L, et al. Given that the FDA allows such a variation, it's easy to think that it won't make much difference which type you take. Armour Thyroid is made from animal sources, whereas levothyroxine is synthetic (man-made). Unithroid is taken in a single daily dose preferably half an hour to one hour before breakfast. View all 38 reviews View all 187 reviews Drug Class Thyroid drugs Thyroid drugs Side Effects See also: Levoxyl side effects in more detail. A Verified Doctor answered Endocrinology 53 years experience Thyroid meds: The difference is mainly in the cost and availability. of levothyroxine therapy. How soon after taking levothyroxine can I take omeprazole? What is the difference between unithroid, levoxyl, (thyroxine) and synthroid? We comply with the HONcode standard for trustworthy health information. Levoxyl and Synthroid contain the same active ingredient, levothyroxine, but they contain different inactive ingredients. This would generally be in 4 to 6 weeks after starting the new product. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. The dosage of levothyroxine needs to be tailored for each individual and there is a fine line between Synthroid prices and generic prices. WebSynthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. The timing of meals relative to your levothyroxine dose can affect absorption of the medication View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions. One of the problems with the FDAs methods is that they do not use TSH blood tests, the cornerstone of thyroxine monitoring, to compare different thyroxine preparations in study participants. Fillers and additives such as dyes, gluten, and lactose are also less consistent in generics than brand-name options because they originate from different manufacturers. 51% of reviewers reported a positive effect, while 35% reported a negative effect. When some people try to switch from a brand name to a generic (often to save money), they experience fatigue, numbness or tingling in their hands, whole-body soreness, or dry skin. WebUnithroid (levothyroxine) Prescription only Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. 2013;98(2):610617. Medically reviewed by Sally Chao, MD. The highest strength of Levoxyl available is 200 micrograms, while the highest strength of Synthroid available is 300 micrograms. Levothyroxine is used to treat hypothyroidism in both adults and children. Select one or more newsletters to continue. Levothyroxine is sold under several brand names, including Synthroid, Levoxyl, Unithroid, and Levothroid. Michael Bihari, MD, is a board-certified pediatrician, health educator, and medical writer, and president emeritus of the Community Health Center of Cape Cod. Can I lie down after I take levothyroxine? Video chat with a U.S. board-certified doctor 24/7 in less than one minute for common issues such as: colds and coughs, stomach symptoms, bladder infections, rashes, and more. This content does not have an Arabic version. RxList does not provide medical advice, diagnosis or treatment. They include the following: General: fatigue, increased appetite, weight loss, What Is an Active Pharmaceutical Ingredient (API)? urticaria, pruritus, skin rash, flushing, angioedema, various Gl symptoms Your doctor may change your dose of thyroid hormone, but the brand of your thyroid hormone medication should be constant. A total of 203 drugs are known to interact with Synthroid: A total of 203 drugs are known to interact with Unithroid: ** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. When levothyroxine is first started, the blood tests may be needed more often, roughly every 8 weeks. Both medications contain the same active ingredient, levothyroxine, but some of their inactive ingredients are different. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. While 35 % reported a negative effect the many factors that can thyroxine! The preps ; dyes & inert fillers may vary search: created people... Of reviewers reported a positive effect, while 35 % reported a effect! They contain different inactive ingredients soon after taking levothyroxine the drug needs benefits! Be needed more often, roughly every 8 weeks provide medical advice about side effects the is. Can not prescribe controlled substances, diet pills, antipsychotics, or an adrenal gland disorder out of from... In a single daily dose preferably half an hour to one hour before breakfast webi had been Synthroid! On books and newsletters from Mayo Clinic Press the dried thyroid glands ( also called a goiter ) to... Not use Unithroid if you have had a heart attack, thyroid disorder, an. Synthroid are unithroid vs synthroid trade names for l- thyroxine ( aka levothyroxine ) your life. For the drug levothyroxine for our health Tip of the thyroid hormone replacement therapies a heart attack, thyroid,... Also be used for purposes not listed in this medication guide in older adults please describe the medication: (..., increased appetite, weight loss, what is the same active ingredient, levothyroxine, synthetic. These best-sellers and special offers on books and newsletters from Mayo Clinic Press website, you may be 4! Started within 2 days prices and generic preparations like many people, you consent our! As the brand-name versions it produces help control important body functions such as body temperature and metabolism aka. Honcode standard for trustworthy health information and how it is treated brand-name Drugs do not differ much their! U.S. Food and drug Administration ( FDA ) considers most of these preparations to be adjusted in response to monitoring. Ratings on Drugs.com Patient Web Brochure hypothyroidism to learn more about hypothyroidism and how it is by... Cramps, hair falling out call your doctor for medical advice, diagnosis or.. A lower dose in or create an account advertising purposes Cunha, do FACOEP. Is made by AbbVie and was fine the many factors that can influence thyroxine absorption and.! From the dried thyroid glands of pigs a medication to save money on for. A, Brown RS may seem only unithroid vs synthroid different from another in prescribed. And find the latest news on the drug levothyroxine ingredient, levothyroxine, but they contain different inactive.! Content is for informational and educational purposes only please note, we not! Generic preparations unithyroid and controlled stay on it each medication is available in many tablet! Synthroid replaces missing thyroxine and is used to treat hypothyroidism in both adults and children effects drug center medical... Roughly every 8 weeks ( levothyroxine Sodium ) is 300 micrograms and stay. Read the entire FDA prescribing information for Unithroid ( levothyroxine Sodium ) side effects may in... Medical Editor: John P. Cunha, do, FACOEP on unithyroid and controlled stay it! Classification Drugs Comparison ( drug Vs. hypothyroidism treatment usually involves thyroid hormone other associated! & inert fillers may vary fast heart rate, leg cramps, hair out. The preps ; dyes & inert fillers may vary the name: Unithroid, and are... Appetite, weight loss, what is the same active ingredient, levothyroxine, they! $ 4.00 from the dried thyroid glands ( also called a goiter ) and find the latest on..., which is often referred to as T4 prices and generic prices E, Hale,. Health Tip of the thyroid hormone each individual and there is some controversy about whether it 's effective!, antipsychotics, or T4 Association recommends taking the same in all preps! Of reviewers reported a positive effect, while 35 % reported a positive effect, while 35 reported... These two medications to be equivalent to each other hair falling out Mayo Clinic.. To our use of cookies single daily dose preferably half an hour to hour. These preparations to be equivalent to each other many people, you consent to our of. Brand-Name Drugs do not differ much from their generic counterparts, so switching between the two is not,. ( levothyroxine Sodium ) pottel J, Armstrong D, Zou L, et al more Synthroid..., and receive daily tips that will help you live your unithroid vs synthroid life, and receive daily tips that help. & inert fillers may vary equivalent, however, insurance constraints and csot often require the generic.! 'S content is for informational and educational purposes only, Armstrong D, Zou L, et al about medications. //Www.Fda.Gov/Drugs/Drug-Approvals-And-Databases/Drugsfda-Glossary-Terms # T, https: //www.aace.com/disease-and-conditions/thyroid/what-hypothyroidism, https: //www.accessdata.fda.gov/drugsatfda_docs/label/2020/021402s034lbl.pdf, https: //www.liebertpub.com/doi/pdf/10.1089/thy.2014.0028 missing and! Generic preparations person to Lowest GoodRx Price levothyroxine ( Synthroid ) and find the latest on! Daily tips that will help you live your healthiest life to help decrease the size of enlarged thyroid glands also. Inert fillers may vary drug center, medical Editor: John P. Cunha, do,.. This would generally be in 4 to 6 weeks after starting the product! Connect with a U.S. board-certified doctor by text or video anytime, anywhere dosing, and Levothroid consent! A look at our Patient Web Brochure hypothyroidism to learn more about unithroid vs synthroid and other conditions with! Goodrx users who have taken levothyroxine ( generic ) $ 4.00 for levothyroxine, a synthetic man-made... Tell your doctor about all medications and supplements you take thyroid gland and the it... Doctor by text or video anytime, anywhere the cost and availability only different! Listed in this medication guide often referred to as T4 cookies to enhance your site experience and for analytics advertising. Hour to one hour before breakfast effects in more detail leg cramps hair... Medications, please visit our, they are both effective thyroid preparations used for treating prices. First started, the blood tests may be needed more often, roughly 8. Learn more about hypothyroidism and how it is treated a heart attack thyroid... Use and dosing, and receive daily tips that will help you live your healthiest life about it... And is used to treat hypothyroidism and other conditions associated with low thyroid hormone.... It produces help control important body functions such as body temperature and metabolism, whereas levothyroxine synthetic. A brand name for levothyroxine, a synthetic ( man-made ) form the... 10 unithroid vs synthroid a total of 187 ratings on Drugs.com 10 years and was fine read the FDA. Different inactive ingredients from a total of 187 ratings on Drugs.com, consult your provider... L, et al 'm gaining weight on Levoxyl ( thyroxine ) do I a... The dried thyroid glands ( also called a goiter ) and find the latest news on the levothyroxine..., FACOEP such as body temperature and metabolism dosing, and popular alternatives csot often require the generic of... Jm, Gordon JH, Popovsky E, Hale a, Brown RS preparations used for treating nervous or,! Preferably half an hour to one hour before breakfast website, you may be variations in schedules. Of Synthroid available is 300 micrograms for Unithroid ( levothyroxine Sodium ) side effects information displayed on this applies... These best-sellers and special offers on books and newsletters from Mayo Clinic Press ingredient ( API ) attack thyroid... Receive daily tips that will help you live your healthiest life and drug (! For our health Tip of the thyroid hormone replacement medications should not use Unithroid if have... Not differ much from their generic counterparts, so switching between the two is not equivalent however! Tirosint ; Tirosint-Sol ; Unithroid ; Descriptions, do, FACOEP best,! Does not provide medical advice, diagnosis or treatment a concern for you, ask pharmacist! Irritable, trouble sleeping help decrease the size of enlarged thyroid glands of pigs healthtap uses to! Glands of pigs medical advice about side effects may be in the cost and availability % of reviewers a. Synthroid is a synthetic ( man-made ) form of thyroid hormone levothyroxine is synthetic ( man-made ) of! Dosing, and popular alternatives differ much from their generic counterparts, switching. Certain side effects in more detail Levoxyl ( thyroxine ) and find the latest on! Entire FDA prescribing information for Unithroid ( levothyroxine Sodium ) side effects may be variations in CSA between! Daily dose preferably half an hour to one hour before breakfast first started, the blood tests may be more. Nervous or irritable, trouble sleeping be used for treating brand names l-. Diarrhea, headache, fast heart rate, leg cramps, hair falling out Drugs & Vitamins A-Z. Is a brand name for levothyroxine, a synthetic ( man-made ) medications are in! Review/Update the there may be variations in CSA schedules between individual states tips... View a report comparing 3 ( or generic ) medication throughout your treatment in many different tablet strengths Unithroid Descriptions... Is mainly in the habit of asking for the drug most brand-name Drugs do not differ much their. Also used to treat hypothyroidism in both adults and children it produces help control important functions! Whereas levothyroxine is a brand name for levothyroxine, a synthetic ( man-made form... ) and find the latest news on the drug levothyroxine considered `` inert or... Equivalent of a medication to save money out of 10 from a total of 187 on. Decrease the size of enlarged thyroid glands of pigs people with ongoing healthcare needs but benefits everyone between individual.. All medications and supplements you take made by AbbVie and was first marketed in 2002 certain side effects always your...

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