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Thyroid

Synthroid

Levothyroxine · 100 mcg · tablet · qty 90

Also available in: 25mcg · 50mcg · 75mcg · 88mcg · 100mcg · 112mcg · 125mcg · 150mcg · 200mcg

Hypothyroidism replacement.

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Common uses & information

Synthroid is a brand of Levothyroxine, a thyroid medication supplied as tablet in a 100 mcg strength. It is commonly used for hypothyroidism replacement.

An FDA-approved generic (Levothyroxine) is available and typically costs less than the brand — compare both cash prices in the table above before you fill.

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Price summary

FormClassBrand avgGeneric avgSavings
tablet 100 mcgRx$52.00 — generic is cheaper, see recommendation$9.10Generic recommended83%

Clinical information

Typical dosing

Take 30–60 minutes before breakfast on an empty stomach with a full glass of water. Dose is individualized by weight and lab tests.

Side effects

Most side effects mean too much hormone: rapid heartbeat, anxiety, weight loss, tremor.

Interactions to know

Calcium, iron, antacids, and some cholesterol meds reduce absorption — separate by 4 hours.

Pregnancy & breastfeeding

Safe in pregnancy; dose often needs to increase.

Clinical content reviewed by the BetterBuyRx clinical team. Read the full wiki entry and sources →

Manufacturer & patient assistance programs

For patient assistance, check NeedyMeds and RxAssist.

FAQ

Is generic Levothyroxine the same as Synthroid?

Yes. The FDA requires generics to contain the same active ingredient at the same strength as the brand. Inactive ingredients (binders, dyes) may differ.

How much can I save by choosing the generic?

On average $42.90 per fill (83% off the brand price). Savings vary by pharmacy — see live prices above.

Do I need insurance to get this price?

No. The prices shown on BetterBuyRx are cash prices. Often these beat insurance copays for generics.

How often is this price updated?

At minimum every 72 hours. Many sources refresh every few hours.

Related medications

Compare Synthroid with other options and see the generic price.

Information for general comparison only. Not medical advice. Confirm with your pharmacist.