Comparing Armour Thyroid vs Synthroid
| Armour Thyroid | Synthroid |
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| Armour Thyroid (thyroid desiccated) | Synthroid (levothyroxine) |
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Prescription only
Prescribed for Hashimoto's disease, Underactive Thyroid, Hypothyroidism - After Thyroid Removal, TSH Suppression, Thyroid Cancer. Armour Thyroid may also be used for purposes not listed in this... View 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. Prescribed... View more |
Related suggestions Hashimoto's disease (Chronic Lymphocytic Thyroiditis)
Hypothyroidism, After Thyroid Removal (Hypothyroidism, Post-Thyroidectomy)
TSH Suppression
Popular comparisons
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| More about Armour Thyroid (thyroid desiccated) | More about Synthroid (levothyroxine) | ||||||||||||||||
| Generic Status | |||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Armour Thyroid has an average rating of 6.4 out of 10 from a total of 245 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 32% reported a negative effect. |
Synthroid has an average rating of 6.1 out of 10 from a total of 187 ratings on Drugs.com. 51% of reviewers reported a positive effect, while 35% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
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See also: Armour Thyroid side effects in more detail. |
See also: Synthroid side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Armour Thyroid prices and generic prices |
View all Synthroid prices and generic prices |
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| Dosage Form(s) Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Other thyroid desiccated brands include: Bio-Throid, Nature-Throid, NP Thyroid, Thyroid Porcine, Westhroid, WP Thyroid | Other levothyroxine brands include: Eltroxin, Ermeza, Euthyrox, Eutroxsig, Evotrox, Levo-T, Levoxyl, Novothyrox, Thyquidity, Tirosint, Tirosint-Sol, Unithroid View more | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
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168 hours |
240 hours |
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| CSA Schedule ** View glossary of terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category A
Studies show no risk
See the full pregnancy warnings document. |
Category A
Studies show no risk
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 195 drugs are known to interact with Armour Thyroid:
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A total of 203 drugs are known to interact with Synthroid:
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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N/A |
July 24, 2002 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| Related Treatment Guide | |||||||||||||||||
** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.