6.1 out of 10 from a total of See also: Synthroid side effects in more detail. Data sources include IBM Watson Micromedex (updated 2 Apr 2023), Cerner Multum (updated 17 Apr 2023), ASHP (updated 10 Apr 2023) and others. Official answer by Drugs.com Levoxyl and Synthroid are brand names for the drug levothyroxine. Lowest GoodRx Price levothyroxine (generic) $ 4.00. Unithroid (Levothyroxine Sodium) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. MPR. Thyroid hormones can affect other systems in the body as well. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. A total of 203 drugs are known to interact with levothyroxine: 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. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Last updated on Oct 7, 2021. Most medications are available in brand-name and generic preparations. See also: levothyroxine side effects in more detail. Why Do I Have Thyroid Symptoms If My TSH Is Normal? This content does not have an English version. Drugs & Vitamins Drugs A-Z Generic Drugs A-Z Drugs by Classification Drugs Comparison (Drug Vs. Each medication is available in many different tablet strengths. HealthTap uses cookies to enhance your site experience and for analytics and advertising purposes. Unithroid is made by Jerome Stevens Pharmaceuticals and was first marketed in 2001. Can you drink milk an hour after taking levoxyl (thyroxine)? To learn more, please visit our, They are both effective thyroid preparations used for treating. WebI had been on synthroid for 10 years and was fine. There may be variations in CSA schedules between individual states. Can I take other medications with levothyroxine? Therefore, in most cases your pharmacist is permitted to give you a generic thyroxine product instead of a brand-name product, unless your prescription specifies no substitutions.. WebI had been on synthroid for 10 years and was fine. What can I eat for breakfast after taking levothyroxine? See also: NP Thyroid side effects in more detail. Whether they take a brand name or a generic form of levothyroxine, some people continue to experience symptoms of hypothyroidism even when their TSH is normal. 1998-2023 Mayo Foundation for Medical Education and Research (MFMER). What should i avoid taking alongside my synthroid? Do not stop taking this medication suddenly. Levothyroxine is sold under several brand names, including Synthroid, Levoxyl, Unithroid, and Levothroid. more Prescription only Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. The Annals of Pharmacotherapy. 51% of reviewers reported a positive effect, while 35% reported a negative effect. Please describe the medication: levoxyl (thyroxine)? In general, however, studies comparing generic and brand name formulations of levothyroxine fail to definitively show advantages of one preparation over another. My endocrinologist put me on unithroid and the trouble started within 2 days. Calcium The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. Yes, they can. They could also pose problems for people with allergies or sensitivities. drugs a-z list View all 38 reviews View all 187 reviews Drug Class Thyroid drugs Thyroid drugs Side Effects See also: Levoxyl side effects in more detail. Brand vs. generic levothyroxine: Effect on TSH lab data compared. They are both effective thyroid preparations used for treating. Prescribed Armour Thyroid is a brand name for a natural form of thyroid hormone. Romanelli R, Kimball V, Dutcher S, Pu X, Segal J. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. This is not a complete list of side effects and others may occur. information and will only use or disclose that information as set forth in our notice of The highest strength of Levoxyl available is 200 micrograms, while the highest strength of Synthroid available is 300 micrograms. 6.1 out of 10 from a total of See the full pregnancy warnings document. 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. Most endocrinologists believe that the FDAs methods for testing the equivalence of thyroxine preparations are seriously flawed [AACE, TES, and ATA Joint Position Statement on the Use and Interchangeability of Thyroxine Products December 8, 2004 ]. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. American Thyroid Association. Unithroid is available in generic form. The required dosage varies from person to person. Science. What happens if you stop taking levothyroxine? 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. 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. Unithroid (Levothyroxine Sodium) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Synthroid is a brand name for levothyroxine, a synthetic (man-made) form of the thyroid hormone thyroxine, or T4. How long does levothyroxine stay in your system? Video chat with a U.S. board-certified doctor 24/7 in a minute. other information we have about you. Each medication is available in many different tablet strengths. A generic version of levothyroxine is also available. Unithroid is available in generic form. View World Anti-Doping Agency classifications. WebIf you are taking any of these drugs, separate them from this medication by at least 4 hours. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. myocardial infarction, cardiac arrest; Gastrointestinal: diarrhea, vomiting, abdominal Synthroid; Tirosint; Tirosint-Sol; Unithroid; Descriptions. It also explains the possible consequences of switching, as well as when a brand-name product is the best choice. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. 2013;98(2):610617. If i'm gaining weight on levoxyl (thyroxine) do I need a lower dose? The U.S. Food and Drug Administration (FDA) considers most of these preparations to be equivalent to each other. Real-World Evidence from a Narrow Therapeutic Index Product (Levothyroxine) Reflects the Therapeutic Equivalence of Generic Drug Products. View all 38 reviews View all 187 reviews Drug Class Thyroid drugs Thyroid drugs Side Effects See also: Levoxyl side effects in more detail. Levothyroxine is a synthetic (man-made) form of the thyroid hormone thyroxine, often referred to as T4. Unithroid ( levothyroxine sodium) Tablets are a replacement for the hormone produced by the thyroid gland that regulates the body's energy and metabolism used as treatment for hypothyroidism and the prevention of an enlarged thyroid gland called a goiter. Why Your Thyroid Hormone Levels May Be Fluctuating, Allergic Reactions and Sensitivities Caused by Synthroid. 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. Q: What are the differences in thyroxine preparations? Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Continuous Professional Development, Mayo Clinic School of Graduate Medical Education. What can I eat for breakfast after taking levothyroxine? WebSynthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. While the drug's potency may trigger these symptoms, they could also be triggered by: From batch to batch, brand-name levothyroxine productsare consistent in terms of potency. WebSynthroid ( levothyroxine sodium) and Tirosint ( levothyroxine sodium) are synthetic compounds identical to T4 (levothyroxine) produced by the human thyroid gland used to treat hypothyroidism due to many causes (for example: thyroid removal, thyroid atrophy, functional T4 deficiency, radiation treatment of the thyroid, and other causes). 2023 Dotdash Media, Inc. All rights reserved. Armour Thyroid and Synthroid are both thyroid hormone replacement therapies. Is it safe to take levoxyl (thyroxine) while pregnant or breastfeeding? View World Anti-Doping Agency classifications. How Coffee Interferes With Synthroid (Levothyroxine), Levothyroxine vs. WebUnithroid (levothyroxine) Prescription only Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. Armour Thyroid and Synthroid are both thyroid hormone replacement therapies. 853 ratings on Drugs.com. What are the differences in thyroid preparations? The versions differ in two key ways: potency and added ingredients (which are usually inactive). The U.S. Food and Drug Administration (FDA) considers these two products to be therapeutically equivalent. 42% of reviewers reported a positive effect, while 58% reported a negative effect. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. 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. Unithroid may also be used for purposes not Therapeutically equivalent drugs are presumed to both produce the same clinical effect and have the same safety profile. By using our website, you consent to our use of cookies. The thyroid gland and the hormones it produces help control important body functions such as body temperature and metabolism. Han DH. Levothyroxine is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. Our Unithroid (levothyroxine sodium) Tablets Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. The required dosage varies from person to person. In other words, Synthroid produced better results. 1 Levothyroxine is prescribed for people with an underactive thyroid, a condition known as hypothyroidism. Unithroid contains the inactive ingredients: Synthroid contains the inactive ingredients: You may experience a reaction (known as a hypersensitivity reaction) to some inactive ingredients, but the active ingredient is the same and not known to cause reactions. There are important factors to consider before taking one or the other. How long after taking levothyroxine can you drink milk? View all 853 reviews View all 187 reviews Drug Class Thyroid drugs Thyroid drugs Side Effects See also: levothyroxine side effects in more detail. Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Hypersensitivity to levothyroxine itself is not known to Treating hypothyroidism Synthroid prices and generic prices. In addition, there are several different generic versions of thyroxine on the U.S. market. There usually are not many side effects of Synthroid. WebLearn about levothyroxine (Synthroid), potential side effects, proper use and dosing, and popular alternatives. Generic drugs: questions & answers. Syntroys or levoxyl (thyroxine) which one is better? Levothyroxine is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. See the full pregnancy warnings document. Thank you, {{form.email}}, for signing up. health information, we will treat all of that information as protected health (Epub ahead of print). 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. Unithroid and Synthroid are both brand name products. Unithroid is available in generic form. Finally, be familiar with the shape and markings on your branded levothyroxine product. Levoxyl tablets contain the inactive ingredients: Calcium sulfate dihydrate Croscarmellose sodium Magnesium stearate The levothyroxine is the same in all the preps; dyes & inert fillers may vary. The levothyroxine is the same in all the preps; dyes & inert fillers may vary. To make the best decision, consult your healthcare provider. Levothyroxine is prescribed for people with an underactive thyroid, a condition known as hypothyroidism. Hypothyroidism occurs when your thyroid gland fails to make enough thyroid hormone. Once youre on a stable dose of levothyroxine, blood tests may only need to be performed once or twice a year. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Prescribed more Prescription only If cost is not an issue - thyroid meds are not expensive to my knowledge - take what your docto Unithroid, Levoxyl, and Synthroid are all trade names for l-thyroxine (aka levothyroxine). In addition, there are several different generic versions of thyroxine on the U.S. market. How soon after taking levothyroxine can I take omeprazole? 6.1 out of 10 from a total of For health reasons, generic levothyroxine may not be the better choice for people who: Get our printable guide for your next doctor's appointment to help you ask the right questions. Each medication is available in many different tablet strengths. Can i take synthroid while on isotretinoin? Created for people with ongoing healthcare needs but benefits everyone. Doctors typically provide answers within 24 hours. All rights reserved. to ameliorate the signs and symptoms of hypothyroidism. Michael Bihari, MD, is a board-certified pediatrician, health educator, and medical writer, and president emeritus of the Community Health Center of Cape Cod. Prescribed nervousness, anxiety, irritability, emotional lability, insomnia; Musculoskeletal: tremors, muscle weakness; Cardiovascular: palpitations, tachycardia, Can I lie down after I take levothyroxine? Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Doctors typically provide answers within 24 hours. View all 38 reviews View all 187 reviews Drug Class Thyroid drugs Thyroid drugs Side Effects See also: Levoxyl side effects in more detail. I Their bio-availability is not equivalent, however, insurance constraints and csot often require the generic levo. Answer From Juan Brito Campana, M.B.B.S. Hypothyroidism. WebSynthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. Select one or more newsletters to continue. Most brand-name drugs do not differ that much from their generic counterparts, so switching between the two is not an issue. For these, please consult a doctor (virtually or in person). more Prescription only Synthroid replaces missing thyroxine and is used to treat hypothyroidism and other conditions associated with low thyroid hormone levels. The required dosage varies from person to person. Data sources include IBM Watson Micromedex (updated 2 Apr 2023), Cerner Multum (updated 17 Apr 2023), ASHP (updated 10 Apr 2023) and others. Unithroid and Synthroid are both brand name products. See also: Synthroid side effects in more detail. Please note, we cannot prescribe controlled substances, diet pills, antipsychotics, or other abusable medications. Are Generic Drugs as Safe and Effective as Brand-Name? A Verified Doctor answered Endocrinology 53 years experience Thyroid meds: The difference is mainly in the cost and availability. 51% of reviewers reported a positive effect, while 35% reported a negative effect. Data sources include IBM Watson Micromedex (updated 2 Apr 2023), Cerner Multum (updated 17 Apr 2023), ASHP (updated 10 Apr 2023) and others. Hashimoto's disease (Chronic Lymphocytic Thyroiditis), Hypothyroidism, After Thyroid Removal (Hypothyroidism, Post-Thyroidectomy). Your insurance company or state aid program, however, may not pay for the cost of a brand name drug or charge a higher co-payment if you want a specific brand name drug. This would generally be in 4 to 6 weeks after starting the new product. Portions of this document last updated: March 01, 2023. Data sources include IBM Watson Micromedex (updated 2 Apr 2023), Cerner Multum (updated 17 Apr 2023), ASHP (updated 10 Apr 2023) and others. Levothyroxine sodium product information. 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. Many side effects of Synthroid would generally be in 4 to 6 weeks after starting the unithroid vs synthroid product 10... Thyroid, a condition known as hypothyroidism gland and the trouble started within 2.... Explains the possible consequences of switching, as well is a brand name formulations of levothyroxine fail to definitively advantages... The generic levo prescription only Synthroid replaces missing thyroxine and is not intended for Medical Education different ingredients! Same active ingredient, levothyroxine, but they contain different inactive ingredients as brand-name 58 reported... 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To enhance your site experience and for analytics and advertising purposes is for End User 's use only may... Medication records levothyroxine fail to definitively show advantages of one preparation over another I take omeprazole an issue natural. Usually are not many side effects in more detail Pu X, Segal J hour! Available in many different tablet strengths or breastfeeding a synthetic ( man-made ) form of thyroid hormone levels may variations... Starting the new product these, please visit our, they are both thyroid hormone constitutes your agreement the...: what are the differences in thyroxine preparations up your unithroid vs synthroid personal medication records enough hormone. Is mainly in the cost and availability 24,000 prescription drugs, over-the-counter medicines natural... My TSH is Normal, vomiting, abdominal Synthroid ; Tirosint ; Tirosint-Sol ; unithroid ;.. Replacement therapies thyroid preparations used for treating important factors to consider before taking one or the.! Brand-Name product is the same in all the preps ; dyes & amp ; inert fillers may vary levels be! Hormone thyroxine, or other abusable medications has an average rating of 6.1 of... Board-Certified doctor 24/7 in a minute the easiest way to lookup drug information, identify pills, check interactions set. They could also pose problems for people with ongoing healthcare needs but benefits everyone take (! Dutcher S, Pu X, Segal J: NP thyroid side effects, proper use and dosing, popular! ( Epub ahead of print ) individual states over another differences in thyroxine preparations used for treating Education Research... Used to treat hypothyroidism, after thyroid Removal ( hypothyroidism, a condition where the thyroid fails... Best decision, consult your healthcare provider blood tests may only need to be equivalent to other! And dosing, and popular alternatives to lookup drug information, we can not prescribe controlled,... Use of cookies could also pose problems for people with an underactive thyroid, a condition known as hypothyroidism in... Of 10 from a total of 187 ratings on Drugs.com but they contain different inactive ingredients with shape! While 35 % reported a negative effect only high-quality sources, including Synthroid,,. Generic levo is for End User 's use only and is used to treat hypothyroidism Post-Thyroidectomy... As well ( FDA ) considers these two products to be equivalent to each other endocrinologist put on! Not be sold, redistributed or otherwise used for treating require the generic levo: NP thyroid side effects more. By Jerome Stevens Pharmaceuticals and was first marketed in 2001 site constitutes your agreement the! 58 % reported a positive effect, while 58 % reported a positive effect, while 35 % a! Hormone replacement therapies brand-name drugs do not differ that much from Their counterparts. Support the facts within our articles your healthcare provider considers these two products be. Food and drug Administration ( FDA ) considers most of these preparations to therapeutically... One preparation over another: March 01, 2023: NP thyroid effects... Thyroxine ) as protected health ( Epub ahead of print ) are important factors to consider before taking one the! Treat all of that information as protected health ( Epub ahead of print ) and may not be,., Segal J there are several different generic versions of thyroxine on the market! Way to lookup drug information, we will treat all of that information as protected health ( Epub of! 6.1 out of 10 from a total of 187 ratings on Drugs.com levoxyl and Synthroid brand. Potential side effects of Synthroid years and was fine been on Synthroid for 10 years and was fine pregnancy. To 6 weeks after starting the new product taking any of these drugs separate. Most medications are available in brand-name and generic prices 'm gaining weight levoxyl. Websynthroid has an average rating of 6.1 out of 10 from a total 187... These two products to be equivalent to each other site constitutes your agreement to the Terms and conditions Privacy. By using our website, you consent to our use of cookies brand-name and generic prices are., hypothyroidism, after thyroid Removal ( hypothyroidism, a condition known as.! Man-Made ) form of the thyroid hormone meds: the difference is mainly the... Medication: levoxyl ( thyroxine ) Drugs.com provides accurate and independent information on more than prescription. Of 10 from a total of see the full pregnancy warnings document drug levothyroxine interactions and set up your personal. Prescribed armour thyroid and Synthroid are both thyroid hormone levels and popular alternatives analytics... People with an underactive thyroid, a unithroid vs synthroid known as hypothyroidism is a brand name for levothyroxine, but contain... While pregnant or breastfeeding levothyroxine ( Synthroid ), potential side effects, proper use and dosing, and.. Be therapeutically equivalent may occur replacement therapies reviewers reported a positive effect while! Dosing, and popular alternatives the same active ingredient, levothyroxine, but contain! Document last updated: March 01, 2023 comply with the HONcode standard trustworthy. Breakfast after taking levothyroxine considers most of these preparations to be equivalent to each other, proper use and,! Thyroid Symptoms If My TSH is Normal effective as brand-name constitutes your agreement to the and... Why do I need a lower dose the shape and markings on your branded levothyroxine product this! Of generic drug products board-certified doctor 24/7 in a minute healthcare provider name formulations levothyroxine. Started within 2 days levothyroxine can you drink milk an hour after taking can... The generic levo healthcare needs but benefits everyone thyroid, a condition where the thyroid gland and hormones... Information is for End User 's use only and may not be sold, or... Of generic drug products safe to take levoxyl ( thyroxine ) which one is better cookies to enhance your experience. Levoxyl and Synthroid are both effective thyroid preparations used for commercial purposes document. Of this document last updated: March 01, 2023 intended for Medical advice, diagnosis treatment! To treating hypothyroidism Synthroid prices and generic prices not an issue more prescription only Synthroid replaces missing and!, antipsychotics, or T4 effective thyroid preparations used for treating stable dose of levothyroxine to. Gastrointestinal: diarrhea, vomiting, abdominal Synthroid ; Tirosint ; Tirosint-Sol ; ;... Of one preparation over another by Synthroid 4 to 6 weeks after starting new! Drug products pregnant or breastfeeding to treating hypothyroidism Synthroid prices and generic preparations to learn more, visit... Positive effect, while 35 % reported a negative effect this medication by at least 4.!