What is Nature-Throid: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Nature-Throid overview

BRAND NAMES:

  • WP Thyroid, Armour Thyroid, Nature-Throid, NP Thyroid, Westhroid, Armour Thyroid, Cytomel, Euthyrox, Levoxyl, Nature-Throid, NP Thyroid, NP Thyroid 120, Synthroid, Thyrolar, Westhroid, WP Thyroid, Unithroid

Generic Names:

  • Nature-Throid

Uses:

  • Treats hypothyroidism (the body does not produce enough thyroid hormone)., Treats hypothyroidism (the body does not produce enough thyroid hormone).

Therapeutic Classes:

  • Thyroid Supplement, Diagnostic Agent, Thyroid Function, Endocrine-Metabolic Agent, Thyroid Supplement

Forms:

  • Capsule, Tablet, Tablet, Capsule

How it’s taken:

  • By mouth, By mouth

What is Nature-Throid used for?

Nature-Throid is a man-made combination of hormones usually produced by the thyroid gland to control the energy and metabolism in the body. It works by increasing the low level of thyroid hormone in the body. In addition to treating hypothyroidism, this medication is also used to treat or prevent goiter and is used to test patients for thyroid disorders.

What form(s) does Nature-Throid come in

  • Capsule

  • Tablet

  • Tablet

  • Capsule

What are common Nature-Throid doses?

  • Tablet 16.25MG

  • Tablet 32.5MG

  • Tablet 48.75MG

  • Tablet 65MG

  • Tablet 81.25MG

  • Tablet 97.5MG

  • Tablet 113.75MG

  • Tablet 130MG

  • Tablet 146.25MG

  • Tablet 162.5MG

  • Tablet 195MG

  • Tablet 260MG

  • Tablet 325MG

Common Nature-Throid prescriptions

  • Nature-Throid
    30 tablets bottle

  • Nature-Throid
    90 tablets bottle

  • Nature-Throid
    113.75mg tablet

  • Nature-Throid
    130mg tablet

  • Nature-Throid
    146.25mg tablet

  • Nature-Throid
    16.25mg tablet

  • Nature-Throid
    162.5mg tablet

  • Nature-Throid
    195mg tablet

  • Nature-Throid
    260mg tablet

  • Nature-Throid
    32.5mg tablet

  • Nature-Throid
    325mg tablet

  • Nature-Throid
    48.75mg tablet

  • Nature-Throid
    65mg tablet

  • Nature-Throid
    81.25mg tablet

  • Nature-Throid
    97.5mg tablet

How to take Nature-Throid

  • Your doctor will tell you how much to take and how often

  • Take your medicine at the same time every day.

  • Take the medicine on an empty stomach.

  • Your doctor will tell you how much to take and how often

  • Take your medicine at the same time every day.

  • Take the medicine on an empty stomach.

  • Your doctor will tell you how much to take and how often

  • Take your medicine at the same time every day.

  • Take the medicine on an empty stomach.

  • Do not stop taking this medicine without first checking with your doctor, you may need to take smaller and smaller doses before completely stopping the medicine.

  • Your doctor will tell you how much to take and how often

  • Take your medicine at the same time every day.

  • Take the medicine on an empty stomach.

  • Do not stop taking this medicine without first checking with your doctor, you may need to take smaller and smaller doses before completely stopping the medicine.

What to do if you miss a dose of Nature-Throid

  • Take the missed dose take as soon as possible.

  • Skip the missed dose if it is almost time for your next regular dose.

  • You should not use two doses at the same time.

  • Take your medicine as soon as you remember that you missed a dose.

  • Skip the missed dose if it is almost time for your next dose.

  • You should not use two doses at the same time.

Nature-Throid contraindications

  • You should not use this medicine if you have had an allergic reaction to any type of thyroid hormone.

  • You should not use this medicine if you have had an allergic reaction to any type of thyroid hormone or if you have an overactive thyroid gland.

Nature-Throid warnings

  • Talk with your doctor before taking this medicine if you have heart disease, high blood pressure, or diabetes.

  • Do not stop taking this medicine without first checking with your doctor.

  • Chest pain

  • Severe irritability or nervousness, tremors

  • Fast or irregular heartbeat

  • Severe diarrhea or intense sweating

  • Check with your doctor before taking this medicine if you have heart disease, high blood pressure, diabetes, or an underactive adrenal or pituitary gland.

  • Tell your doctor if you are pregnant or breastfeeding.

  • Large doses of thyroid hormones, especially when taken with diet pills, can result in dangerous side effects.

  • Make sure you see your doctor for regular check-ups so your condition can be followed closely.

  • Inability to stand heat

  • Extreme nervousness or irritability, tremors

  • Severe diarrhea, intense sweating

Nature-Throid interactions

  • Make sure your doctor knows if you are taking a blood thinner (Coumadin®), cholestyramine (Questran®), medicine for diabetes (insulin, Diabenese®, Glucotrol®), estrogens, birth control pills, or products used for colds, asthma, appetite control, hay fever, or sinus problems.

  • Tell your doctor if you are pregnant or breastfeeding.

  • Large doses of thyroid hormones, especially when taken with diet pills, can result in dangerous side effects.

  • Make sure you see your doctor for regular check-ups so your condition can be followed closely.

  • If you are taking cholestyramine (Questran®), take it either 4 hours before or 4 hours after you take levothyroxine.

  • Do not stop taking this medicine without first checking with your doctor.

Nature-Throid side effects

Serious Side Effects

  • Skin rash or hives

  • Shortness of breath or trouble breathing

  • Chest pain

  • Fast or pounding heartbeat

  • Inability to stand heat

  • Extreme nervousness or irritability, tremors

  • Severe diarrhea, intense sweating

  • Skin rash or hives with intense itching

  • Shortness of breath or trouble breathing

  • Chest pain

  • Fast or irregular heartbeat

  • Severe irritability or nervousness, tremors

  • Severe diarrhea or intense sweating

Less Serious Side Effects

  • Irregular menstrual periods

  • Headache

  • Appetite changes, weight loss

  • Anxiety

  • Trouble sleeping

  • Anxiety

  • Appetite changes, weight loss

  • Irregular menstrual periods

  • Headache

  • Trouble sleeping