Levothyroxine Side Effects (Thyroid problems, Rash, Itching)



Levothyroxine is utilized to take care of an underactive thyroid, also known as hypothyroidism. It restores or provides added thyroid hormone that is usually formed by our thyroid


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gland. A low thyroid hormone level can crop up naturally or at the time that the thyroid gland is wounded by radiations/medications or even at the time that it is removed through a surgical procedure. It is very important for us to have enough of thyroid hormone as it helps to maintain physical and mental activity. When it comes to kids, having sufficient thyroid hormone becomes imperative for their average mental and bodily development. This drug is furthermore used to take care of other forms of thyroid disorders, for instance certain kinds of goiters and even thyroid cancer. This drug should never be used to take care of infertility problems, except the time when the problem is being caused by a low level of the thyroid hormone.

What Is The Drug Used For?

Levothyroxine is utilized for treating infants, children and adults who have definite thyroid troubles, for example thyroid cancer, underactive thyroid, goiter and thyroid nodules. Nevertheless, doctors may infrequently advise Levothyroxine off-label, in order to treat situations except thyroid problems. One of the common off-label uses of Levothyroxine is treatment for depression (in combination with antidepressants).

Guide for Usage:

Take Levothyroxine through the mouth, as explained by the doctor, typically once a day, empty stomach, and more often than not 30 minutes to 1 hour prior to having breakfast.

Take Levothyroxine with a filled tumbler of water, except for when the doctor directs you to do otherwise. I case you are eating the capsule variety of Levothyroxine; it is recommended that you gulp it down whole. Don’t chew, crush or split the capsule. Sometimes, in case of infants and small children, they are unable to swallow the capsule as a whole; it is recommended that you switch to using the tablet variety of Levothyroxine. For kids who are unable to gulp down the whole tablet, you may squash the tablet and combine it in 1 – 2 teaspoons of water, and offer using a dropper or a spoon immediately. Be careful not to arrange a supply ahead of time or combine the tablet in any formula like that in soy infant. Consult your doctor for extra information. The dose is based on your weight, age, health condition, response to the drug and laboratory examination results. Use Levothyroxine regularly so as to get the maximum benefits. To assist you in remembering, consume it the matching time every day. Consult your doctor before you decide to stop consuming the prescription. Thyroid replacement cure is typically undertaken for life. Different brands for the drug Levothyroxine are available. It is recommended that you NOT alter brands with no prior consultation from your doctor. Certain medications, such as colestipol, cholestyramine, antacids, colesevelam, simethicone, sucralfate, sodium polystyrene sulfonate, iron, orlistat and calcium carbonate can reduce the quantity of thyroid hormones that is in the body. In case you are consuming any/some of the above mentioned drugs, split them from Levothyroxine by a minimum of 4 hours. Indications of a stumpy thyroid hormone level includes muscle pains, tiredness, constipation, gain in weight, dry skin, sensitivity towards cold and a slow heartbeat. Inform your doctor case your state worsens or continues after quite a few weeks of consuming Levothyroxine.

Side Effects of Levothyroxine

Severe allergic reaction:

  • Rash
  • Difficulty in breathing
  • Flushing
  • Itching
  • Tautness in chest
  • Odd hoarseness
  • Hives
  • Inflammation of the face, lips, tongue or mouth
  • Chest pain
  • Change in menstrual periods
  • Excessive sweating
  • Fever
  • Intolerance to heat
  • Change in appetite
  • Joint pains
  • Fast or unbalanced heartbeat
  • Leg cramps
  • Weakness  in the muscles
  • Diarrhea
  • Mood change like nervousness, anxiety, irritability
  • Seizures
  • Shortness in breath
  • Tremors
  • Trouble in sleeping
  • Stomach cramps
  • Wheezing
  • Unusual weight loss or gain in weight
  • Severe or regular headache or fatigue
  • Vomiting

Levothyroxine Capsules and Solution

Severe allergic reaction:

  • Rash
  • Itching
  • Hives
  • Trouble in breathing
  • Tension in the chest
  • Flushing
  • Puffiness of the tongue, lips, face and mouth
  • Change in desire for food
  • Odd hoarseness
  • Change in menstrual period
  • Diarrhea
  • Chest pain
  • Extreme sweating
  • Fever
  • Hasty or unbalanced heartbeat
  • Intolerance towards heat
  • Leg contractions
  • Joint ache
  • Psychological or mood change (e.g., fretfulness, bad temper, anxiety)
  • Seizures
  • Muscle weakness
  • Harsh or constant headache or exhaustion
  • Stomach cramp
  • Shortness in breath
  • Shivering
  • Abnormal weight put on or loss
  • Trouble in sleeping
  • Wheezing
  • Vomiting


What Should You Report To The Doctor?

You must talk to your doctor prior to consuming Levothyroxine sodium in case you face the subsequent problems:

  • Overactive thyroid, also known as hyperthyroidism
  • Adrenal deficiency
  • Any allergy, counting allergy to any food, dye, or preservative.
  • Diabetes
  • Osteoporosis
  • Any heart troubles, counting the possibility of the latest heart attack

Furthermore, let your doctor know in case you are:

  • Planning on having a baby or are already pregnant
  • Breastfeeding

Make certain that you inform your doctor of all/any other medicines that you are prescribed to take, including the non-prescription and prescription drugs, herbals supplements and vitamins.

Specific Safety Measures and Warnings

In order to steer clear of any Levothyroxine side effects, one must pay attention to the following warnings and safety measures:

  • Levothyroxine must not be taken to take care of thyroid nodules or goiters if you have a problem of low levels of thyroid-stimulating hormones (TSHs), seeing that it may perhaps cause hazardous side effects. A squat TSH level will signal that the thyroid hormone level is by now high and adding a Levothyroxine drug may perhaps cause it to augment to a perilous level. Even though the TSH levels may be normal, regular monitoring will be necessary to make certain that problems don’t increase.
  • The drug may worsen heart problems. In case you have heart issues, your doctor should begin you at a small Levothyroxine dose and gradually add to it. In case you feel that the Levothyroxine is making your heart symptom worsen, inform your doctor right away.
  • People should not ever use Levothyroxine as a drug to shed weight if they have no thyroid issues. A Levothyroxine dose that’s sufficiently high to effect weight loss will often be adequately high to cause grave or yet life-threatening troubles.
  • Levothyroxine might amplify the threat of osteoporosis, chiefly if the Levothyroxine dose is too much.
  • From time to time, thyroid troubles occur in coincidence with added health problems (for instance diabetes or anemia). It’s a good thought if your doctor knows of the same and gives you a methodical physical examination at the time you are detected for a thyroid hitch.
  • If you suffer from diabetes, it is recommended to test your blood sugar level more regularly when you start or stop using Levothyroxine (or at the time you alter your dose), since the drug may affect blood sugar level.
  • Levothyroxine can act together with numerous other medications; therefore you should seek additional information from your doctor.
  • Levothyroxine is well thought-out as a Category A pregnancy medication. It means that it’s safe to use throughout pregnancy.

Levothyroxine Is Not Recommended If You:

  • Are sensitive to Levothyroxine sodium (or an inactive component used in making the drug). Take the list of inactive ingredients from the doctor.
  • Have a low TSH or an overactive thyroid.
  • Have raw adrenal deficiency, as Levothyroxine can root serious troubles unless this state is suitably treated.
  • Have lately suffered a heart stroke.

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