Comparing NP Thyroid vs Synthroid
| NP Thyroid Remove NP Thyroid from your drug comparison | Synthroid Remove Synthroid from your drug comparison |
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| NP Thyroid thyroid desiccated Remove NP Thyroid from your drug comparison | Synthroid levothyroxine Remove Synthroid from your drug comparison |
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Prescribed for Hashimoto's disease, Underactive Thyroid, TSH Suppression, Hypothyroidism - After Thyroid Removal, Thyroid Cancer. NP Thyroid may also be used for purposes not listed in this medication guide. View more |
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 |
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Prescription only |
Prescription only |
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Ratings & Reviews |
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Drug Class |
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Side Effects |
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See the full NP Thyroid side effects document. |
See the full Synthroid side effects document. |
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Pricing and Coupons* Prices are without insurance |
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View all NP Thyroid prices and generic prices |
View all Synthroid prices and generic prices |
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Generic Availability |
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Dosage Form(s) Available |
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Brand Names |
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| Other thyroid desiccated brands include: Armour Thyroid, Bio-Throid, Nature-Throid, Thyroid Porcine, Westhroid, WP Thyroid | Other levothyroxine brands include: Eltroxin, Euthyrox, Eutroxsig, Evotrox, Levo-T, Levoxyl, Novothyrox, Thyquidity, Tirosint, Tirosint-Sol, Unithroid View more | ||||||||||||||||
Half LifeThe 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 192 drugs are known to interact with NP Thyroid:
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A total of 200 drugs are known to interact with Synthroid:
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Alcohol/Food/Lifestyle Interactions |
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Disease Interactions |
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First Approval Date |
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N/A |
July 24, 2002 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
N/A |
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More Information |
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Patient resources |
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N/A |
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Professional Resources |
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Related Treatment Guide |
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** 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.