Compare Cytomel vs. Thyrolar

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Replaces thyroid hormones.

Cytomel (Liothyronine) is good for treating low thyroid, but you may need frequent blood tests and you should take it exactly as told by your doctor and pharmacist.

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  • Cytomel (Liothyronine) supplies an important hormone that your body needs to grow and develop.
  • Safe during pregnancy.
  • Available in generic.
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  • You may need frequent dose adjustments when you first start taking Cytomel (Liothyronine) or if your health changes.
  • Periodic blood tests are needed to make sure you're getting the right dose.
  • Cytomel (Liothyronine) supplies one type of thyroid hormone, which may not be right for everyone.
  • Cytomel (Liothyronine) has many food and drug interactions. Talk to your doctor or pharmacist before you make any changes or start a new medicine.
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Used for
No indications data available
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Dosage forms
  • Pill
  • Pill
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Side effects
The Cytomel (Liothyronine) FDA package insert doesn’t have numbers about how common side effects are.
The Thyrolar (Liothyronine / Levothyroxine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Weight reduction
  • Lack of adrenal function
  • Heart problems
    • Current heart disease
    • Age 60 or older
    • Taking Cytomel (Liothyronine) with certain types of stimulant medicines
  • Changes in blood sugar
    • Diabetes
  • Drug interactions
See more detailed risks and warnings
No information currently available