{"id":6952,"date":"2025-02-03T11:37:59","date_gmt":"2025-02-03T11:37:59","guid":{"rendered":"https:\/\/healthmedicinet.com\/review\/hmn-differences-similarities-side-effects-in-2025-15\/"},"modified":"2025-02-03T11:41:15","modified_gmt":"2025-02-03T11:41:15","slug":"hmn-differences-similarities-side-effects-in-2025-15","status":"publish","type":"post","link":"https:\/\/healthmedicinet.com\/review\/hmn-differences-similarities-side-effects-in-2025-15\/","title":{"rendered":"HMN: NP Thyroid and Synthroid Differences, similarities &#038; side effects in 2025"},"content":{"rendered":"<p>\n<br \/>Do you know:  Differences, similarities &#038; side effects in 2025<\/p>\n<div id=\"main-content\">\n<div id=\"post-intro\">\n<div id=\"takeaways\">\n<h2>Key takeaways<\/h2>\n<ul>\n<li>\n<p><span style=\"font-weight: 400;\">NP Thyroid and Synthroid are brand-name prescription medications used to treat hypothyroidism (underactive thyroid) or thyroid cancer. Both are available as tablets that are taken by mouth once daily.<\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-weight: 400;\">NP Thyroid contains a mixture of T4 and T3 and is made from pig (porcine) thyroid glands. It is not FDA-approved. Synthroid contains a synthetic form of T4 (levothyroxine) only and is FDA approved.\u00a0<\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-weight: 400;\">Clinical guidelines recommend levothyroxine as the main treatment for hypothyroidism and do not recommend products that contain T3.<\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-weight: 400;\">Consult your healthcare provider for professional medical advice on your condition and treatment.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<section class=\"table-of-contents\">\n<div class=\"anchorLinks\">\n<div class=\"mobile-only\">\n<div class=\"dropdownLists\">\n<div class=\"dropdownBtn\"><span class=\"listsIcon\"><br \/>\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.singlecare.com\/blog\/wp-content\/themes\/singlecare\/images\/union.svg\" width=\"14\" height=\"20\"\/><\/span><br \/>\n\t\t\t\t\t\t\t<label><\/label><br \/>\n\t\t\t\t\t\t\t<span class=\"downArrow\"><br \/>\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.singlecare.com\/blog\/wp-content\/themes\/singlecare\/images\/dropDownArrow.svg\" width=\"24\" height=\"24\"\/><br \/>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><span style=\"font-weight: 400;\">The thyroid is a part of the endocrine system and plays an important role in the body\u2019s growth, metabolism, and development. The small, butterfly-shaped gland releases <\/span><a href=\"https:\/\/my.clevelandclinic.org\/health\/articles\/22391-thyroid-hormone\"><span style=\"font-weight: 400;\">thyroid hormone<\/span><\/a><span style=\"font-weight: 400;\">, which actually consists of two main hormones: thyroxine (T4) and triiodothyronine (T3). While T4 is mostly inactive, T3 is active. When the thyroid releases T4, the body has to convert it into T3 in order to use it.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">NP Thyroid<\/span><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">Synthroid<\/span><span style=\"font-weight: 400;\"> are prescription medications used to treat <\/span><span style=\"font-weight: 400;\">hypothyroidism<\/span><span style=\"font-weight: 400;\"> (underactive thyroid) and thyroid cancer. Although both medications are therapeutically known as thyroid replacement hormones, they do have notable differences. Continue reading to learn more about both medications.<\/span><\/p>\n<h2 id=\"np-thyroid-vs-synthroid-key-differences\"><span style=\"font-weight: 400;\">NP Thyroid vs. Synthroid: Key differences<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">NP Thyroid and Synthroid are both brand-name drugs. NP thyroid is a natural thyroid medicine that contains both T4 and T3. It comes from the thyroid glands of pigs (the <\/span><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=f347f490-7199-4de6-bca2-0d44a74979af\"><span style=\"font-weight: 400;\">prescribing information<\/span><\/a><span style=\"font-weight: 400;\"> notes that the tablet has a strong, characteristic odor) and is dried and ground (known as desiccated thyroid extract, or DTE). Synthroid contains a s<\/span><span style=\"font-weight: 400;\">ynthetic form of T4 and is chemically identical to the hormone produced in the human thyroid gland.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Synthroid is also available in a generic formulation called <\/span><span style=\"font-weight: 400;\">levothyroxine<\/span><span style=\"font-weight: 400;\">. Both medications come in various <\/span><span style=\"font-weight: 400;\">doses<\/span><span style=\"font-weight: 400;\">, as shown in the chart below. These medications can be used in adults and children who are appropriate candidates.\u00a0<\/span><\/p>\n<table class=\" singlecare-table\">\n<thead>\n<tr>\n<th>\n<h3 id=\"np-thyroid-vs-synthroid-comparing-key-differences\"><span class=\"title\">NP Thyroid vs. Synthroid: Comparing key differences<\/span><\/h3>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>Drug class<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Thyroid replacement hormone (contains both T4 and T3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Thyroid replacement hormone (contains T4 only)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Brand\/generic status<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Brand<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Brand and generic<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>What is the generic name?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">There is no generic available, but the active ingredients are <\/span><span style=\"font-weight: 400;\">tetraiodothyronine sodium (T4 levothyroxine) and triiodothyronine sodium (T3 liothyronine)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Levothyroxine, levothyroxine sodium<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>What form(s) does the drug come in?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Oral tablet: <\/span><span style=\"font-weight: 400;\">30 mg (1\/2 grain), 60 mg (1 grain),<\/span><\/p>\n<p><span style=\"font-weight: 400;\">90 mg (1 1\/2 grain),\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">120 mg (2 grain)\u00a0<\/span><\/p>\n<\/td>\n<td><span style=\"font-weight: 400;\">Oral tablet: <\/span><span style=\"font-weight: 400;\">25 mcg, 50 mcg, 75 mcg, 88 mcg, 100 mcg, 112 mcg, 125 mcg, 137 mcg, 150 mcg, 175 mcg, 200 mcg, 300 mcg<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>What is the standard dosage?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Varies; dose is individualized and ranges from <\/span><span style=\"font-weight: 400;\">15 mg to 180 mg once a day<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tablet is taken once daily, on an empty stomach, with a full glass of water<\/span><\/p>\n<\/td>\n<td><span style=\"font-weight: 400;\">Varies; dose is individualized<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tablet is taken once daily, on an empty stomach, 30 to 60 minutes before breakfast, with a full glass of water<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><b>How long is the typical treatment?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Long-term; lifelong<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Long-term; lifelong<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Who typically uses the medication?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Adults and children, including infants (mixing instructions not provided in prescribing information)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Adults and children, including infants (for pediatric patients who cannot swallow a pill, the tablet must be crushed and mixed with water, breast milk, or formula since there is no liquid version available)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<h2 id=\"np-thyroid-vs-synthroid-conditions-treated\"><span style=\"font-weight: 400;\">NP Thyroid vs. Synthroid: Conditions treated<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">People with <\/span><a href=\"https:\/\/medlineplus.gov\/hypothyroidism.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">hypothyroidism<\/span><\/a><span style=\"font-weight: 400;\">, or underactive thyroid, do not make enough thyroid hormone on their own and need replacement thyroid hormone in the form of medication. Hypothyroidism can be diagnosed through bloodwork that measures thyroid function with thyroid stimulating hormone (TSH) levels and free thyroxine (FT4). Measurement of total T4 or T3 levels or FT3 levels is not recommended.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Symptoms of hypothyroidism may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tiredness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weight gain<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cold intolerance<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Joint and muscle pain\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry skin<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thinning hair or hair loss<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Irregular or heavy periods<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Problems with fertility<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Slow heart rate<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Depression<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Both drugs are used to treat hypothyroidism due to various causes, including primary (low thyroid hormone caused by the destruction of the thyroid gland, such as by a condition called <\/span><span style=\"font-weight: 400;\">Hashimoto\u2019s thyroiditis<\/span><span style=\"font-weight: 400;\">), secondary (underactive thyroid due to the pituitary gland), or tertiary (underactive thyroid due to the hypothalamus) congenital (inherited) or acquired hypothyroidism. They can also be used to treat certain types of thyroid cancer in combination with other treatments, such as surgery and radioactive iodine.<\/span><\/p>\n<table class=\" singlecare-table\">\n<thead>\n<tr>\n<th>\n<h3 id=\"np-thyroid-vs-synthroid-comparing-conditions-treated\"><span class=\"title\">NP Thyroid vs. Synthroid: Comparing conditions treated<\/span><\/h3>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Hypothyroidism\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Thyroid cancer\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<h2 id=\"synthroid-vs-np-thyroid-which-is-better\"><span style=\"font-weight: 400;\">Synthroid vs. NP Thyroid: Which is better?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">It is important to note that while Synthroid is approved by the Food and Drug Administration (FDA), <\/span><a href=\"https:\/\/www.fda.gov\/consumers\/consumer-updates\/older-therapies-arent-necessarily-better-thyroid-hormone-replacement\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NP Thyroid is not<\/span><\/a><span style=\"font-weight: 400;\">. Currently, there are synthetic (made in a lab) versions of thyroid replacement hormones, like Synthroid and its generics, which most hypothyroid patients take. The first versions of thyroid replacement medications, including NP Thyroid, were made from cow or pig thyroid glands and are not FDA approved.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">While FDA-approved medications such as Synthroid undergo extensive clinical testing for safety and efficacy, DTE products like NP Thyroid (or <\/span><span style=\"font-weight: 400;\">Armour Thyroid<\/span><span style=\"font-weight: 400;\">, a similar DTE medicine) do not. Some DTE products, such as Nature-Throid and WP Thyroid, have been removed from the market.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Also, the FDA notes that because Synthroid is consistently manufactured, each tablet contains the exact and correct amount of hormones, which is important in managing thyroid hormone levels. On the other hand, NP Thyroid can vary in hormone levels between batches or even within the same batch. This can result in inconsistent dosing and make patients have symptoms of an underactive or overactive thyroid.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Another factor to consider is that Synthroid contains only T4 (levothyroxine), and NP Thyroid contains a mixture of T3 and T4. In hypothyroidism treatment guidelines, t<\/span><span style=\"font-weight: 400;\">he American Association of Clinical Endocrinologists <\/span><a href=\"https:\/\/www.aafp.org\/pubs\/afp\/issues\/2021\/0515\/p605.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">does not recommend<\/span><\/a><span style=\"font-weight: 400;\"> DTE such as NP Thyroid and also notes that there is not enough evidence to recommend a combination of T3\/T4, such as NP Thyroid over Synthroid alone.<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Only your healthcare provider can determine which medication is best for you. Consult your provider for more information and medical advice on thyroid replacement therapy.<\/span><\/p>\n<h2 id=\"can-you-take-np-thyroid-and-synthroid-together\"><span style=\"font-weight: 400;\">Can you take NP Thyroid and Synthroid together?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As mentioned above, clinical guidelines do not recommend DTE products at all. Additionally, the guidelines state that experts do not recommend combining products, noting that levothyroxine (the ingredient in Synthroid) alone is the preferred treatment for hypothyroidism. Guidelines note that adding T3 to levothyroxine will not help with hypothyroidism symptoms or affect quality of life.\u00a0<\/span><\/p>\n<h2 id=\"np-thyroid-vs-synthroid-insurance-coverage-and-cost-comparison\"><span style=\"font-weight: 400;\">NP Thyroid vs. Synthroid: Insurance coverage and cost comparison<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A typical out-of-pocket price for NP Thyroid tablets without insurance would be about $60 for a one-month supply of 60 mg tablets. If you use a <\/span><span style=\"font-weight: 400;\"> discount card<\/span><span style=\"font-weight: 400;\">, you can pay as little as $30 per month.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A typical out-of-pocket price for brand-name Synthroid without insurance is about $78 for 30, 50 mcg tablets. However, if you use a free <\/span><span style=\"font-weight: 400;\"> discount card<\/span><span style=\"font-weight: 400;\">, you can pay as little as $4 per month for generic levothyroxine.\u00a0<\/span><\/p>\n<table class=\" singlecare-table\">\n<thead>\n<tr>\n<th>\n<h3 id=\"np-thyroid-vs-synthroid-comparing-insurance-cost\"><span class=\"title\">NP Thyroid vs. Synthroid: Comparing insurance &amp; cost<\/span><\/h3>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td\/>\n<td><b>NP Thyroid<\/b><\/td>\n<td><b>Synthroid<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Typically covered by insurance?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Varies\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Brand: Varies<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Generic: Yes<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Typically covered by Medicare Part D?<\/b><\/td>\n<td><span style=\"font-weight: 400;\">No\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Brand: Varies<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Generic: Yes<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Quantity<\/b><\/td>\n<td><span style=\"font-weight: 400;\">30, 60 mg tablets<\/span><\/td>\n<td><span style=\"font-weight: 400;\">30, 50 mcg tablets<\/span><\/td>\n<\/tr>\n<tr>\n<td><b> cost*<\/b><\/td>\n<td><span style=\"font-weight: 400;\">$30 for 30, 60 mg tablets of brand-name NP Thyroid<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$4 for 30, 50 mcg tablets of generic levothyroxine\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6><span style=\"font-weight: 400;\">*Cost at time of publication. Drug prices vary by pharmacy.<\/span><\/h6>\n<h2 id=\"np-thyroid-vs-synthroid-side-effects\"><span style=\"font-weight: 400;\">NP Thyroid vs. Synthroid side effects<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Side effects of NP Thyroid and Synthroid are usually caused by a dose that is too high, which causes symptoms of <\/span><span style=\"font-weight: 400;\">hyperthyroidism<\/span><span style=\"font-weight: 400;\"> (overactive thyroid). These side effects may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diarrhea<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Headache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heart attack<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heat intolerance<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Increased appetite<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Irregular heartbeat; palpitations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Irregular menstrual periods<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Irritability<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Muscle spasms or weakness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nervousness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rash<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shaking<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shortness of breath<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trouble sleeping<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weight loss<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Some individuals will also experience temporary hair loss when starting NP Thyroid or Synthroid.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Keeping your follow-up appointments and getting your blood work on schedule will enable your healthcare provider to prescribe the appropriate dose, which can minimize side effects and keep your thyroid levels in optimal range.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is not a full list of side effects, and others may occur. Consult your healthcare professional or pharmacist for more information and a full list of side effects.\u00a0<\/span><\/p>\n<h2 id=\"np-thyroid-and-synthroid-drug-interactions\"><span style=\"font-weight: 400;\">NP Thyroid and Synthroid drug interactions<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Before you take NP Thyroid or Synthroid, tell your healthcare provider about all the medicines you take, including prescription drugs, over-the-counter medications, vitamins, and supplements. Also, tell your healthcare provider if you take any medicines for your heart, blood pressure, or diabetes. Some people with diabetes will need dosage adjustments on insulin or oral diabetes medicines when starting thyroid replacement therapy. Your healthcare provider will tell you if you need to monitor your blood sugar more frequently.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Certain medicines, vitamins, or supplements, such as iron, <\/span><span style=\"font-weight: 400;\">antacids<\/span><span style=\"font-weight: 400;\">, or cholestyramine, must be taken at least four hours before or after you take your thyroid medicine.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Certain foods and beverages may interact with the absorption of NP Thyroid or Synthroid. This includes soybean flour (found in infant formula), cottonseed meal, walnuts, dietary fiber, and grapefruit, including grapefruit juices. Avoid consuming these ingredients within an hour of taking NP Thyroid or Synthroid.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is not a full list of interactions. Consult your healthcare professional for more information about drug and food interactions and how they may affect you.\u00a0<\/span><\/p>\n<p>\u00a0<\/p>\n<h2 id=\"np-thyroid-and-synthroid-drug-warnings\"><span style=\"font-weight: 400;\">NP Thyroid and Synthroid drug warnings<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Both drugs have <\/span><span style=\"font-weight: 400;\">black box warnings<\/span><span style=\"font-weight: 400;\">. A black box warning, also called a boxed warning, is the most serious warning required by the FDA. This warning states that thyroid hormones, including NP Thyroid or Synthroid, should not be used to treat <\/span><span style=\"font-weight: 400;\">obesity<\/span><span style=\"font-weight: 400;\"> or for weight loss. The warning also states that taking higher doses than needed can cause serious or life-threatening toxic effects. Always take your thyroid medication exactly as instructed by your healthcare professional. Do not take more or less medication than prescribed. Thyroid replacement hormone dosages are individualized for each patient based on many factors, including lab values, age, weight, diagnosis, and other medical conditions.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Before you take NP Thyroid or Synthroid, tell your healthcare provider about any medical conditions you have, including if you are <\/span><span style=\"font-weight: 400;\">pregnant<\/span><span style=\"font-weight: 400;\"> or breastfeeding or have an adrenal gland disorder, heart problems, <\/span><span style=\"font-weight: 400;\">diabetes<\/span><span style=\"font-weight: 400;\">, or any other conditions.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other warnings include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In older adults and people with <\/span><span style=\"font-weight: 400;\">heart disease<\/span><span style=\"font-weight: 400;\">, healthcare providers will start treatment at a lower dose to avoid the risk of heart-related side effects, including <\/span><span style=\"font-weight: 400;\">atrial fibrillation<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">People who take NP Thyroid or Synthroid will be carefully monitored with blood tests to measure thyroid hormone levels and ensure proper dosing.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Neither NP Thyroid nor Synthroid should be used to treat myxedema coma (severe hypothyroidism with organ involvement), as oral medications are not used for this indication.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thyroid medication may affect <\/span><span style=\"font-weight: 400;\">blood sugar levels<\/span><span style=\"font-weight: 400;\"> in patients with <\/span><span style=\"font-weight: 400;\">diabetes<\/span><span style=\"font-weight: 400;\">. Close monitoring, as well as a possible dosage change in diabetes medication or <\/span><span style=\"font-weight: 400;\">insulin<\/span><span style=\"font-weight: 400;\">, may be required.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Over-replacement of thyroid hormone can result in lower <\/span><span style=\"font-weight: 400;\">bone mineral density<\/span><span style=\"font-weight: 400;\">. 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Both are available as tablets that are taken by mouth once daily. NP Thyroid contains a mixture of T4 and T3 and is made from pig [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6952","post","type-post","status-publish","format-standard","hentry","category-health-news"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/posts\/6952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/comments?post=6952"}],"version-history":[{"count":1,"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/posts\/6952\/revisions"}],"predecessor-version":[{"id":6962,"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/posts\/6952\/revisions\/6962"}],"wp:attachment":[{"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/media?parent=6952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/categories?post=6952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/healthmedicinet.com\/review\/wp-json\/wp\/v2\/tags?post=6952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}