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What is the difference between synthroid and levothyroxine?

Levothyroxine (Synthroid) is a synthetic version of T4, and liothyronine (Cytomel) is a synthetic version of T3. Both are used for the treatment of hypothyroidism, but levothyroxine is preferred because T3 is absorbed from the intestine very rapidly, and this may cause mild thyroid hormone toxicity (hyperthyroidism) in some patients.

What are the different doses of Synthroid? Synthroid is available in 12 different dosage strengths ranging from 25 micrograms to 300 micrograms. Each strength comes as a differently colored pill and the varying strengths are manufactured to help doctors prescribe accurate dose combinations for their patients.

Is Synthroid or Levoxyl the best treatment for hypothyroidism? Levothyroxine is a synthetic prohormone proven to be effective in the management of hypothyroidism. It reduces symptoms by increasing thyroid hormone levels and research indicates it’s superior to other treatments like desiccated thyroid hormone.

Can you buy Synthroid over the counter? Over-the-counter Levothyroxine 50 mcg can be purchased without a prescription and is most often used to treat symptoms of the various thyroid disorders that may not require the direct supervision of a doctor. Thyroxine is a Thyroid OTC medication available as generic synthroid at online pharmacy OverTheCounterPharma.com.

Is night or day the time to take thyroid medication? Consistency is key, meaning it’s important to take your thyroid pill at the same time daily. Most are told to take their medication first thing in the morning, rather than before they go to sleep. But the truth is that either time of day works, although one time may better suit your lifestyle. Jun 24 2019

Missed Dose

Missed Dose

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up unless your doctor tells you to do so. Call your doctor if you miss 2 or more doses in a row. Ask your doctor ahead of time what to do about a missed dose and follow your doctor’s specific directions.

OverdoseOverdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: fast/pounding/irregular heartbeat, loss of consciousness, confusion, seizures.

How to use?How to use?

  • Read the Patient Information Leaflet if available from your pharmacist before you start taking levothyroxine and each time you get a refill
  • If you have any questions, ask your doctor or pharmacist
  • Take this medication by mouth as directed by your doctor, usually once daily on an empty stomach, 30 minutes to 1 hour before breakfast
  • Take this medication with a full glass of water unless your doctor directs you otherwise
  • If you are taking the capsule form of this medication, swallow it whole
  • Do not split, crush, or chew
  • People who cannot swallow the capsule whole (such as infants or small children) should use the tablet form of the medication
  • For infants or children who cannot swallow whole tablets, crush the tablet and mix in 1 to 2 teaspoons (5 to 10 milliliters) of water, and give using a spoon or dropper right away
  • Do not prepare a supply in advance or mix the tablet in soy infant formula
  • Consult your pharmacist for more information
  • Dosage is based on your age, weight, medical condition, laboratory test results, and response to treatment
  • Use this medication regularly in order to get the most benefit from it
  • To help you remember, take it at the same time each day
  • Do not stop taking this medication without first consulting with your doctor
  • Thyroid replacement treatment is usually taken for life
  • There are different brands of levothyroxine available
  • Do not change brands without first consulting your doctor or pharmacist
  • Certain medications (such as cholestyramine, colestipol, colesevelam, antacids, sucralfate, simethicone, iron, sodium polystyrene sulfonate, calcium supplements, orlistat, lanthanum, sevelamer, among others) can decrease the amount of thyroid hormone that is absorbed by your body
  • If you are taking any of these drugs, separate them from this medication by at least 4 hours
  • Symptoms of low thyroid hormone levels include tiredness, muscle aches, constipation, dry skin, weight gain, slow heartbeat, or sensitivity to cold
  • Tell your doctor if your condition worsens or persists after several weeks of taking this medication.

What is Synthroid?What are side effects of Synthroid?What conditions does Synthroid treat?What precautions to take with Synthroid?Is Synthroid safe during pregnancy?Is Synthroid safe while breastfeeding?

For informational purposes only. Consult a medical professional for advice.

Reviewed by a panel of doctors. Source: First Databank

Was this helpful?What is the correct dosage for Synthroid? The most common starting dosage of Synthroid is in 50 mcg taken one time daily. Most doctors recommend this dose be taken an hour or so prior to breakfast.

Are levothyroxine and Synthroid the same medicine? Synthroid (levothyroxine) is a thyroid medicine that replaces a hormone normally produced by your thyroid gland to regulate the body’s energy and metabolism. Levothyroxine is given when your thyroid does not produce enough of this hormone on its own. Synthroid is used to treat hypothyroidism (low thyroid hormone).

When to increase Synthroid dose? If you are already taking Synthroid, it is likely that your dose may need to be increased throughout your pregnancy. In fact, your dose may need to be increased as early as four weeks into your pregnancy. Your healthcare provider should monitor you closely and adjust your Synthroid dosage as necessary.

What are the different doses of Synthroid? Synthroid is available in 12 different dosage strengths ranging from 25 micrograms to 300 micrograms. Each strength comes as a differently colored pill and the varying strengths are manufactured to help doctors prescribe accurate dose combinations for their patients.