Comparing Levothyroxine vs NP Thyroid

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
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Levothyroxine

NP Thyroid thyroid desiccated

Levothyroxine replaces missing thyroxine and is the preferred medicine to treat hypothyroidism. The dosage of levothyroxine needs to be tailored for each individual and there is a fine line between... View more

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

Prescription only

Pricing and Coupons

* Prices are without insurance

Quantity	100 each
Dosage	100 mcg (0.1 mg)
Per Unit^*	$0.35
Cost^*	$35.39

View all levothyroxine prices

Quantity	100 tablet
Dosage	15 mg
Per Unit^*	$0.77
Cost^*	$77.22

View all NP Thyroid prices and generic prices

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Generic Availability

Yes (this medicine)

Yes

Dosage Form(s) Available

Intravenous powder for injection
Intravenous solution
Oral capsule
Oral tablet

Oral tablet

Brand Names

Eltroxin, Euthyrox, Eutroxsig, Evotrox, Levo-T, Levoxyl, Novothyrox, Synthroid, Thyquidity, Tirosint, Tirosint-Sol, Unithroid View more Other thyroid desiccated brands include: Armour Thyroid, Bio-Throid, Nature-Throid, Thyroid Porcine, Westhroid, WP Thyroid

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.

240 hours

168 hours

CSA Schedule**

View glossary of terms.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category

Category A Studies show no risk

See the full Pregnancy Warnings document.

Category A Studies show no risk

See the full Pregnancy Warnings document.

Drug Interactions

A total of 200 drugs are known to interact with levothyroxine:

178 moderate drug interactions (2150 brand and generic names)
22 minor drug interactions (71 brand and generic names)

A total of 192 drugs are known to interact with NP Thyroid:

171 moderate drug interactions (2130 brand and generic names)
21 minor drug interactions (65 brand and generic names)

Alcohol/Food/Lifestyle Interactions

The timing of meals relative to your levothyroxine dose can affect absorption of the medication... View more

The timing of meals relative to your thyroid desiccated dose can affect absorption of the... View more

Disease Interactions

First Approval Date

August 21, 2000

N/A

WADA Class

View World Anti-Doping Agency classifications.

N/A

More Information

Patient resources

N/A

Professional Resources

Prescribing Information

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.

Medical Disclaimer