What is levothyroxine used for?

Levothyroxine is a synthetic thyroid hormone used to treat hypothyroidism, a condition where the thyroid gland does not make enough hormone. It is also used to help suppress TSH in certain thyroid conditions, including some thyroid cancers, under a provider's direction.

Do I need a prescription for levothyroxine 175mcg?

Yes. Levothyroxine is a prescription-only medication in the United States. A licensed provider must evaluate your thyroid levels and issue a valid prescription before this medication can be dispensed.

How does ordering and shipping work?

After you place an order, a licensed provider or pharmacist reviews your prescription and health information. Once approved, your medication is dispensed and shipped from a licensed U.S. pharmacy to your address.

How should I take levothyroxine?

Take it once daily on an empty stomach, ideally 30 to 60 minutes before breakfast, with water. Consistent timing helps keep hormone levels stable; follow your provider's specific instructions.

Is levothyroxine the same as Synthroid?

Synthroid is a brand name of levothyroxine sodium; both contain the same active ingredient. Because small dose differences can matter with thyroid medication, your provider may prefer you stay on the same product consistently.

How long does it take levothyroxine to work?

Some people notice improvement in symptoms within a few weeks, but full effects can take 4 to 6 weeks or longer. Your provider will check TSH levels periodically and adjust your dose as needed.

Can I take levothyroxine with other medications?

Some medications and supplements, including calcium, iron, and antacids, can reduce levothyroxine absorption and should be taken at least 4 hours apart. Always tell your provider and pharmacist about everything you take.

Levothyroxine 175mcg

Name: Levothyroxine 175mcg
Brand: All Family Pharmacy
SKU: levothyroxine-175mcg
Availability: InStock

Generic For: Synthroid

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Levothyroxine 175mcg — All Family Pharmacy

Levothyroxine 175mcg (brand name Synthroid) is a synthetic thyroid hormone used to treat hypothyroidism, a condition in which the thyroid gland does not produce enough hormone. It replaces the hormone your body needs to regulate energy and metabolism. After a licensed provider reviews your prescription, your medication ships from a licensed U.S. pharmacy.

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Buy Levothyroxine 175mcg (Synthroid) Online

A thyroid hormone replacement medication for hypothyroidism, underactive thyroid, and TSH suppression in certain thyroid conditions

Medically reviewed by David Paul Mackarey, RPh, Pharmacist-in-Charge

Levothyroxine 175mcg Quick Facts

Drug class	Thyroid hormone replacement
Treats	Hypothyroidism, TSH suppression, thyroid hormone replacement after thyroid surgery
Form	Tablet
Typical dosing	Take 1 tablet by mouth daily in the morning.
Prescription required	Yes — prescription only

What Is Levothyroxine 175mcg?

Levothyroxine is a man-made version of thyroxine (T4), a hormone normally produced by the thyroid gland. It is prescribed when the thyroid is underactive (hypothyroidism) and cannot make enough hormone on its own. Levothyroxine helps restore normal levels of thyroid hormone, which the body needs to regulate metabolism, energy, and growth. The 175mcg tablet is one of several strengths; your provider selects the dose based on lab results and adjusts it over time.

What Does Levothyroxine 175mcg Treat?

Hypothyroidism (underactive thyroid)
Hypothyroidism after thyroid surgery or radioactive iodine therapy
Congenital hypothyroidism
Hashimoto's thyroiditis-related hypothyroidism
Pituitary TSH suppression in well-differentiated thyroid cancer (adjunct)
Secondary or tertiary hypothyroidism

Levothyroxine 175mcg Dosage

Adults with hypothyroidism: approximately 1.6 mcg/kg by mouth once daily.
Take on an empty stomach, 30-60 minutes before breakfast.
Dose is individualized and adjusted based on TSH levels; use long-term as directed.

Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.

Levothyroxine 175mcg Side Effects

Common side effects

Hair loss (temporary, usually during first months)
Headache
Nervousness or irritability
Trouble sleeping
Increased sweating
Changes in appetite or weight
Diarrhea
Menstrual cycle changes

Serious side effects

Stop taking this medication and seek medical attention right away if you experience:

Chest pain or irregular/rapid heartbeat
Signs of allergic reaction (rash, hives, swelling, trouble breathing)
Seizures
Severe shortness of breath
Signs of too much thyroid hormone (tremor, heat intolerance, significant weight loss)

Warnings & Interactions

Not for weight loss; large doses can cause serious or life-threatening effects
Do not use for untreated adrenal insufficiency (contraindicated)
Use caution with heart disease; may worsen angina or arrhythmias
May affect blood sugar control in diabetes; monitor glucose
Separate from calcium, iron, antacids, and some cholesterol drugs by at least 4 hours
May increase effect of blood thinners like warfarin; monitoring needed
Long-term over-replacement may decrease bone mineral density

Tell your prescriber about all medications, supplements, and health conditions before starting levothyroxine 175mcg.