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Synthroid is used to treat hypothyroidism by providing exogenous thyroid hormone to the body

  • Delivery time: Airmail (14-21 days) | EMS trackable (5-9 days)
  • Prescription: Included
  • Availability: In Stock

Synthroid Information

Synthroid Medication Information Leaflet

Common Use

Synthroid is commonly used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone.


Synthroid is a medication classified as a thyroid hormone replacement.

Generic Ingredient

Levothyroxine is the generic compound found in Synthroid, and it is available in the UK under various brand names.

Certification Information

Synthroid is approved in several countries, including the UK, for the treatment of hypothyroidism.

Known Alternatives in UK

Some known alternatives to Synthroid in the UK are Levothyroxine, Liothyronine, and Natural Desiccated Thyroid.

Clinical Use

In clinical practice, Synthroid is used to restore adequate hormone levels and to relieve symptoms of hypothyroidism.

Spectrum Of Activity

Synthroid primarily acts as a replacement for thyroid hormone T4 (thyroxine) in the body.

Drug interaction

Synthroid may interact with certain medications, such as antacids, iron supplements, and cholesterol-lowering drugs. It is essential to consult a healthcare professional for guidance on potential drug interactions.

Dosage and Directions

The dosage of Synthroid is individualized based on the patient's age, weight, and specific medical condition. It is typically taken once a day in the morning, at least 30 minutes before eating.

Contraindications and Precautions

Synthroid is contraindicated in patients with untreated thyrotoxicosis and acute myocardial infarction. Precautions should be taken in patients with cardiovascular disorders and adrenal insufficiency.

Possible side effect

Common side effects of Synthroid may include hair loss, weight loss, and tremors. It is important to report any unusual or severe side effects to a healthcare provider.

Missed dose and Overdose

If a dose of Synthroid is missed, it should be taken as soon as remembered unless it is almost time for the next dose. Overdose of Synthroid may lead to symptoms of hyperthyroidism and requires immediate medical attention.


Synthroid should be stored at room temperature, away from moisture and heat, and out of reach of children.

Known Non-standard Use

In some cases, Synthroid may be used off-label for the treatment of goiter, thyroid cancer, and certain types of infertility.

Special Cases

Special caution is needed when administering Synthroid to elderly patients and patients with underlying cardiovascular diseases.

Patient Considerations

Patients should be advised to take Synthroid exactly as prescribed and to report any changes in their health status to their healthcare provider.

Breastfeeding and Pregnancy

Synthroid is generally considered safe to use during pregnancy and while breastfeeding, as maintaining thyroid function is crucial for the health of both the mother and the baby.

Possible Risks

Some potential risks associated with Synthroid include the risk of over-replacement leading to hyperthyroidism, and the need for regular monitoring of thyroid function tests to ensure dosage adequacy.

Synthroid FAQ

What is Synthroid used for?

Synthroid is a medication used to treat an underactive thyroid (hypothyroidism).

What are the common side effects of Synthroid?

Common side effects of Synthroid may include hair loss, weight loss, tremors, headache, diarrhea, and sweating.

How long does it take for Synthroid to start working?

It may take a few weeks to notice the effects of Synthroid. Your doctor will monitor your progress regularly.

Can I take Synthroid with other medications?

It's important to tell your doctor about all medications you are taking, as Synthroid may interact with certain drugs.

What should I do if I miss a dose of Synthroid?

If you miss a dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and take the next dose at the regular time.

Can I take Synthroid while pregnant or breastfeeding?

If you are pregnant or breastfeeding, consult your doctor before taking Synthroid, as the dosage may need to be adjusted.

How should I store Synthroid?

Store Synthroid at room temperature, away from moisture and heat. Keep it out of reach of children.

Can Synthroid be used for weight loss?

Synthroid should not be used for weight loss, as it is a thyroid hormone replacement used to treat hypothyroidism.

What is the usual dosage of Synthroid?

The dosage of Synthroid varies depending on the individual's thyroid levels and response to the medication. It is important to follow your doctor's instructions.

Can I drink alcohol while taking Synthroid?

Alcohol may affect the way Synthroid works. It's best to consult your doctor regarding alcohol consumption while taking Synthroid.

Does Synthroid cause hair loss?

Hair loss is a possible side effect of Synthroid. If you experience excessive hair loss, consult your doctor.

What are the symptoms of an overdose of Synthroid?

Symptoms of a Synthroid overdose may include chest pain, increased heart rate, tremors, and excessive sweating. Seek immediate medical attention if you suspect an overdose.

Can Synthroid cause insomnia?

Insomnia is a potential side effect of Synthroid. If you have trouble sleeping while taking Synthroid, discuss this with your doctor.

Is a generic alternative available for Synthroid?

Yes, the generic name for Synthroid is levothyroxine. It is available as a more affordable alternative to the brand name medication.

Can Synthroid be taken with food?

Synthroid should be taken on an empty stomach, at least 30 minutes to 1 hour before any food or drink other than water.

Synthroid Properties

  • Conditions To Treat: Hypothyroidism
  • Clinical Use: Hormone replacement
  • Spectrum Of Activity: Thyroid hormone
  • Mechanism Of Action: Provides exogenous thyroid hormone to the body
  • Length Of Use: Long-term
  • Recommended Dosage: 25-200 mcg daily
  • Side Effects: Increased appetite, weight loss, hair loss

Synthroid Connected Conditions

Synthroid Related Medications

  • Eltroxin by Aspen Pharma

Synthroid Suggested Treatments

Synthroid various suggestions

How to Purchase Synthroid | Levothyroxine on our Website

Purchasing Synthroid | Levothyroxine from our online pharmacy is simple. Just select the required dosage and quantity of pills above. The price of your choice will update automatically. Next, click the Add to Cart button to add the chosen amount to your cart. You can either continue shopping for more pills or head to the checkout. At the Checkout, complete the payment process using our secure and dedicated payment gateway.

Synthroid / Levothyroxine pills are made from high-quality generic compounds and are subject to strict quality control measures under WHO and The Medicines and Healthcare products Regulatory Agency (MHRA) standards. However, Synthroid pills are shipped from outside of UK due to prescriptions issued overseas.


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