Comparing Armour Thyroid vs Levothyroxine
| Armour Thyroid Remove Armour Thyroid from your drug comparison | Levothyroxine Remove Levothyroxine from your drug comparison |
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| Armour Thyroid thyroid desiccated Remove Armour Thyroid from your drug comparison | Levothyroxine Remove Levothyroxine from your drug comparison | ||||||||||||||||
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Prescribed for Hashimoto's disease, Underactive Thyroid, TSH Suppression, Hypothyroidism - After Thyroid Removal, Thyroid Cancer. Armour Thyroid may also be used for purposes not listed in this... View more |
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 |
Choose a suggestion belowUnderactive Thyroid (Hypothyroidism)
Hashimoto's disease (Chronic Lymphocytic Thyroiditis)
Hypothyroidism, After Thyroid Removal (Hypothyroidism, Post-Thyroidectomy)
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Prescription only |
Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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7.8
For Underactive Thyroid: Armour reduced water retention and joint/tendon fatigue. However, it made me ravenous and raised my free T3 to uncomfortable levels. I also couldn't exercise. Back to Synthroid in the morning and 15 mg Armour in the afternoon... Better. |
6.4
For Underactive Thyroid: I first found out I had hypo thyroid 10/24 (OB checked bc I've been trying to conceive) TSH Level 8.7. After taking 50mg for 1month my TSH level went to 3.0. Unfortunately after that I started getting neg side effects such as constantly sleepy, unfocused & feeling really out of it, slight depression, & exhaustion. I hated it. A friend who was hypothyroid recommended taking Kelp Vitamins for the Iodine. I started taking 25mg Levo & my Kelp Vit daily. Jan 20 TSH was at 3.5 (Dr wanted me to stay on same 50mg prescription but I was still having negative side effects). Also had Vitamin D checked Jan 20 per friend recommendation & found out that was low too. So I STOPPED taking Levo, and ONLY took Vit D & Kelp Vit. Apr 18 levels checked again & TSH was 2.8 HALLELUJAH! For Underactive Thyroid: I have been taking Levothyroxine .88 MG for at least 5 years. Recently I have developed Sweating and being very tired. I was taking my pill during the night as you are supposed to take it on an empty stomach. I have recently discovered that taking it at that time has caused me to have pounding heart beats and fluttering in my chest. I went through a stress test only to realize it has been caused by my thyroid medication. I changed it to morning before breakfast and have found it to be better. However I still get tired very easily. |
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Drug Class |
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Side Effects |
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See the full Armour Thyroid side effects document. |
See the full levothyroxine side effects document. |
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Pricing and Coupons* Prices are without insurance |
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View all Armour Thyroid prices and generic prices |
View all levothyroxine prices |
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Generic Availability |
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Yes (this medicine) |
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Dosage Form(s) Available |
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Brand Names |
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| Other thyroid desiccated brands include: Bio-Throid, Nature-Throid, NP Thyroid, Thyroid Porcine, Westhroid, WP Thyroid | Eltroxin, Euthyrox, Eutroxsig, Evotrox, L Thyroxine Roche, Levo-T, Levotabs, Levotec, Levothroid, Levothyrox, Levoxyl, Novothyrox, Oroxine, Synthroid, 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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FDA Alerts |
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N/A |
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Drug Interactions |
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A total of 180 drugs are known to interact with Armour Thyroid:
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A total of 190 drugs are known to interact with levothyroxine:
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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 |
August 21, 2000 |
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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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Consumer Resources |
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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.
For Underactive Thyroid: I used to be on Armour...then it was unavailable for a while since they were reformulating it. I don't know why they had to reformulate it. It was working fine and is an old reliable drug. After the reformulation, my side effects (that I didn't have before) included my feet cramping at night.....often. Changed to Nature-throid and don't have that problem.