What happens if you switch from levothyroxine to Synthroid?

Some studies have shown that switching levothyroxine brands can result in abnormal thyroid function tests. So, if you’re taking Synthroid, or another brand drug, your health care provider may want you to remain on the same medication.

What happens when you switch thyroid medication?

Switching from a brand-name to generic thyroid hormone, or vice-versa, could affect your TSH levels—even if the dose is the same. ⁷ The same goes for switching between brands of levothyroxine (for example, switching from Synthroid to Levoxyl or vice-versa).

How long does it take for your body to adjust to Synthroid?

Synthroid (levothyroxine) treats hypothyroidism, or low thyroid hormone levels. It can take several weeks to feel the effects of Synthroid on your symptoms. Doctors typically wait six weeks or so before adjusting your Synthroid dosage. This allows enough time to see the results on your symptoms and lab tests.

Is there a big difference between Synthroid and levothyroxine?

Generic levothyroxine may differ slightly from Synthroid in terms of how well it’s absorbed. That’s why it’s preferable to stick with either one if possible. Both the American Thyroid Association and the Endocrine Society recommend that patients remain on Synthroid if that’s what was initially prescribed.

Does Synthroid have less side effects than levothyroxine?

Side effects of Synthroid and levothyroxine Because the active chemicals in both brand name and generic levothyroxine are the same, they share the same side effect profile.

Can switching from Synthroid to levothyroxine cause weight gain?

In some cases, Synthroid may lead to weight gain. This is because the drug can increase your appetite, which may make you eat more food than usual. It’s also possible for you to gain weight if your dose of Synthroid isn’t high enough for your body’s needs.

Is it OK to switch brands of thyroid medication?

You should not change from one brand of thyroid medication to another, from your brand of thyroid medication to a generic product, or from one generic product to another without first checking with your doctor.

How does Synthroid make you feel?

You might have heart palpitations while you’re taking Synthroid. With heart palpitations, you may feel like your heart flutters or skips a beat. It’s not known how many people taking Synthroid have had heart palpitations. Heart palpitations may also be caused by having too much thyroid hormones in your body.

What are the long term side effects of taking Synthroid?

Long-term side effects of Synthroid can include osteoporosis and heart problems. Short-term side effects include a racing heartbeat, feeling hot all the time, headaches, feeling shaky or nervous, trouble sleeping, among others.

What are the side effects of too much Synthroid?

Side effects of too much or too little Synthroid

  • fast heart rate.
  • feeling nervous or anxious.
  • heart palpitations (feeling your heart flutter or skip a beat)
  • trouble sleeping.
  • muscle weakness.
  • weight loss.

Will Synthroid help me lose weight?

Official Answer. In most cases, levothyroxine causes some weight loss. According to the American Thyroid Association, when this medication is started, you may lose up to 10% of your weight. This weight is mainly water weight, since being hypothyroid makes you retain water.

Is generic levothyroxine as good as Synthroid?

It’s Equally Safe. Generic levothyroxine is just as safe as the brand names—in the United States, these include Synthroid, Levoxyl, Unithroid, and Tirosint—because it has the same FDA-approved active ingredient (levothyroxine).

Is levothyroxine and Synthroid the same thing?

Synthroid (levothyroxine sodium) is a synthetic compound identical to T4 (levothyroxine) produced by the human thyroid gland used to treat hypothyroidism due to many causes (for example): and other causes). Synthroid is also used for pituitary TSH suppression.

What is the difference between Levoxyl and Synthroid?

Liothyronine,on the other hand,contains the most potent thyroid hormone which is known as T3 or triiodothyronine.

  • Cytomel (brand-name) Many physicians and Doctors are hesitant to prescribe T3 due to the relatively short half-life of T3 when compared to T4.
  • patients who use T3 tend to have more side effects.
  • – Blurred or double vision – dizziness – eye pain – lack or slowing of normal growth in children – limp or walk favoring one leg – pain in the hip or knee – seizures – severe headache

    What happens when you stop taking levothyroxine?

    Panic attacks

  • Nausea
  • Fatigue
  • Altered hormone levels
  • A worsening of other hypothyroid symptoms,including pale or dry skin,weakness,decreased heart rate,and brittle nails