Synthroid (Levothyroxine) Online without Prescription.
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name: Eltroxin , Euthyrox , Levothroid , Levoxine , Levoxyl , Synthroid
Name : Levothyroxine
: Weight Loss & Meridia Thyroid : Thyroid Preparations
FDA Pregnant Category
: Controlled studies in women fail to demonstrate a risk to the
fetus in the first trimester (and there is no evidence of a risk
in later trimesters), and the possibility of fetal harm appears
What is it used for?
How does it work?
This medicine contains the active ingredient
thyroxine sodium (also known as levothyroxine sodium). It is one
of the thyroid hormones produced by the thyroid gland.
The thyroid gland produces and releases two hormones:
thyroxine and liothyronine. In other areas of the body, thyroxine
is converted to liothyronine, which is the more active form. These
hormones are responsible for maintaining a normal rate of metabolism
in the body.
When the thyroid gland is unable to produce normal
amounts of thyroxine, the level of thyroid hormones in the blood
is decreased (hypothyroidism). This results in a reduced rate
of metabolism, leading to symptoms such as weight gain, intolerance
to cold and tiredness.
Normal levels of the thyroid hormone in the blood
can be acheived with the medicine thyroxine.
Thyroxine tablets are given to replace the thyroxine
that would normally have been produced by the thyroid. Once the
thyroid gland becomes unable to produce thyroxine, it will generally
not return to normal function. Therefore, once thyroxine medicine
is started, it must commonly be taken for the rest of a person’s
How should Synthroid (Levothyroxine)
Synthroid comes as a tablet to take by mouth.
It usually is taken as a single dose before breakfast every day.
To control the symptoms of hypothyroidism, you probably will need
to take this medicine for the rest of your life. It may take about
2 weeks before you notice any change in your symptoms. Follow
the directions on your prescription label carefully, and ask your
doctor or pharmacist to explain any part you do not understand.
Take Levothyroxine exactly as directed. Do not take more or less
of it or take it more often than prescribed by your doctor. Continue
to take Synthroid even if you feel well. Do not stop taking Levothyroxine
without talking to your doctor.
Some medicines may interfere with any blood tests
done to determine thyroid hormone levels (thyroid function tests).
It is important to inform your doctor of all medicines you are
taking prior to and at the time of blood tests.
Use with caution in
- A disease in which an individual produces large
amounts of dilute urine and is constantly thirsty (diabetes insipidus)
- Any condition causing decreased function of the adrenal glands
- Decreased production of all hormones produced by the pituitary
- Diabetes mellitus
- Elderly people
- Heart disease
- History of heart attack
Not to be used in
This medicine should not be used if you are
allergic to one or any of its ingredients. Please inform your
doctor or pharmacist if you have previously experienced such an
If you feel you have experienced an allergic
reaction, stop using this medicine and inform your doctor or pharmacist
Pregnancy and Breastfeeding
Certain medicines should not be used during pregnancy
or breastfeeding. However, other medicines may be safely used
in pregnancy or breastfeeding providing the benefits to the mother
outweigh the risks to the unborn baby.Always inform your doctor
if you are pregnant or planning a pregnancy, before using any
- The safety of this medicine in pregnancy has
not been established. It should therefore be used with caution
during pregnancy, and only if the benefits to the mother outweigh
any risks to the foetus. Seek medical advice from your doctor.
- This medicine passes into breast milk. Seek
medical advice from your doctor before using this medicine during
Medicines and their possible side effects can
affect individual people in different ways. The following are
some of the side effects that are known to be associated with
this medicine. Because a side effect is stated here, it does not
mean that all people using this medicine will experience that
or any side effect.
Faster than normal heart beat (tachycardia)
Difficulty in sleeping (insomnia)
Shaking, usually of the hands (tremor)
Awareness of your heart beat (heart palpitations)
Abnormal heart beats (arrhythmias)
Chest pain (angina)
The side effects listed above may not include
all of the side effects reported by the drug's manufacturer.
For more information about any other possible
risks associated with this medicine, please read the information
provided with the medicine or consult your doctor or pharmacist.
How can this medicine affect other
Thyroxine blood levels may be decreased by carbamazepine and
The dose of lyothyronine required by the body
may change when taken with anti-epileptic medicines.
Liothyronine may increase the anti-clotting effect
of medicines such as warfarin. The dose of the anti-clotting medicine
may need to be decreased.
The level of cardiac glycosides (eg digoxin)
in the body may be reduced in individuals taking thyroid hormones,
and an alteration of the dosage may be required.
Thyroxine may increase the effect of tricyclic
antidepressant medicines. This may also result in an increase
The amount of thyroxine absorbed from the gut is decreased by
Your doctor will tailor the dosage to meet your
individual requirements, taking into consideration the status
of your thyroid gland and other medical conditions you may have.
Older adults often require somewhat smaller doses. To make sure
the dosage is right for you, the doctor will monitor your thyroid
hormone level with periodic blood tests.
If you suspect a Levothyroxine overdose, seek
emergency medical attention immediately. Taken in excess, the
drug may have serious consequences.
Symptoms of Synthroid overdose may include:
Abdominal cramps, chest pain, diarrhea, excessive sweating, fever,
headache, heat intolerance, increased appetite, increased pulse
and blood pressure, insomnia, irregular heartbeat, menstrual irregularities,
nervousness, palpitations, tremors, weight loss
When you miss a dose
Take it as soon as you remember. If it is almost
time for your next dose, skip the one you missed and go back to
your regular schedule. Never take 2 doses at the same time. If
you miss 2 or more doses in a row, consult your doctor.
Keep Levothyroxine in a tightly closed container.
Store it at room temperature, away from heat, light, and moisture.
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