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What is the thyroid?
The thyroid is a part of the body. It is a butterfly-shaped gland. It is present in the lower part of the neck. It has two lobes, left and right.
What does the thyroid do?
The main function of the thyroid is to produce thyroid hormones -- primarily thyroxine (T4) and triiodothyronine (T3). T4 gets converted into T3 (a more active form) in the blood.

The thyroid also produces calcitonin, which contributes to calcium balance.

Thyroid hormone production is regulated by the pituitary gland (a small gland at the base of the brain).
What is the role of thyroid hormone?
Thyroid hormones regulate our metabolism and affect weight and energy level. The adequate level of thyroid hormone is essential for proper functioning of all the systems of the body like heart, kidney, brain, reproductive system
What are the thyroid diseases?
The problems occurring with the thyroid gland constitute thyroid diseases.

The overactive thyroid gland is called hyperthyroidism.

The underactive thyroid gland is called hypothyroidism.

The enlargement of the thyroid is called Goiter.

The growths within the thyroid are called a nodule.
How to know that I am having thyroid disease?
Blood tests are usually the first step in diagnosing thyroid disease. Based on physical exam and blood tests your doctor can determine if other studies are needed such as ultrasound, thyroid scan, or biopsy and the appropriate treatment.
What is a thyroid diet?
It is a myth. There is no thyroid diet. Patient with hypothyroidism taking medicines can eat cabbage and soya been.

Cabbage and soya contain certain chemicals which interfere with the process of thyroid hormone production. But we by giving the thyroid hormones are bypassing the synthesis process hence patient need not worry about it.
Can Yoga cure thyroid disorders?

No alternative therapy have any proven role in thyroid management. No.

No alternative therapy have any proven role in thyroid management.
Does hypothyroidism cause weight gain?
The relationship between hypothyroidism and weight is complex. Severe hypothyroidism causes weight gain mainly due to fluid retention. Mild elevation of TSH does not lead to weight gain.
Do patients with hypothyroidism require lifelong treatment?
Yes. The patient with overt hypothyroidism requires lifelong treatment as the problem is lifelong.
Is thyroxine habit forming?
Are there any side effects of the thyroxine?
In proper dosages, there are no side effects. When the dosages are in an excess patient may develop symptoms of hyperthyroidism.
Are there any side effects of anti-thyroid medicines?
Mild reactions like itching, skin reactions can occur at the start of treatment. These are self-limiting and do not require discontinuation of treatment.

Serious side effects include
When should a patient stop antithyroid medicines?
If a patient develops fever, sore throat, yellowish discoloration of eyes, dark-colored urine patient should stop medicines immediately and inform to doctor. These are the warning signs of serious side effects of anti-thyroid medicines.
What is Hyperthyroidism?
It is the condition in which excess hormones are produced from thyroid. Common causes of hyperthyroidism include Graves disease, toxic nodule, toxic multinodular goiter. The patient will have symptoms of excess thyroid hormone. In addition to the above-mentioned causes, a patient might have excess thyroid hormone levels in the blood due to other causes like inflammation of the thyroid gland, overtreatment of hypothyroidism.
What are the symptoms of hyperthyroidism?
Tremors, excessive sweating, palpitations, weight loss, anxiety, lack of sleep (insomnia ), muscle weakness, heat intolerance, erectile dysfunction in male and menstrual changes.

The number, degree, and severity of these symptoms can provide some clue as to the severity of hyperthyroidism.
How to diagnose hyperthyroidism?
It is done by listening to the patient
What is Graves
It is an autoimmune problem where the body's immune system overstimulates the thyroid. It is named as Graves
What is Toxic Multinodular Goiter disease?
Hyperthyroidism due to toxic multinodular goiter occurs when one or more nodules (growths) in the thyroid begin to make too much thyroid hormone. In general, the hyperthyroidism tends to be less severe than that seen in Graves' disease. Laboratory diagnosis is the same as in other cases of hyperthyroidism with low TSH and high T4 and T3 levels. Thyroid uptake scans may note several separate "hot" spots corresponding to the hyperactive nodules, while the rest of the gland has decreased activity.
What is Toxic Adenoma?
If a single nodule, or a solitary toxic adenoma, in an otherwise normal thyroid gland makes too much thyroid hormone, it can lead to hyperthyroidism. This is a less common cause of hyperthyroidism than either Graves' disease or toxic multinodular goiter. The diagnosis can be made in the same fashion as above.
How is excess thyroid hormone (Thyrotoxicosis) in a body treated?
The treatment of excess thyroid hormone depends upon the cause. If it is due to inflammation of the thyroid gland symptomatic treatment and periodic follow up with thyroid function test is needed.

If excess thyroid hormones are secondary to hyperthyroidism then the options available are
What is the medical therapy?
What is the role of surgery in hyperthyroidism?
Surgery for hyperthyroidism usually means removing the entire thyroid gland (total thyroidectomy) with the goal of making the patient hypothyroid and then starting thyroid hormone replacement pills.

Surgery does have the small risk of postoperative complications, but it has the advantages of rapidly fixing the hyperthyroidism with only a 3% recurrence rate. When performed by an experienced surgeon, thyroid surgery is safe.

After a total thyroidectomy, patients absolutely must take thyroid hormone replacement pills because removing the whole thyroid makes them hypothyroid.

What is the RAI ablation?
In RAI ablation, the patient is given a pill that contains radioactive iodine that is absorbed by thyroid cells and destroys them. RAI ablation has the advantage of avoiding thyroid surgery. Currently, most patients are given doses of RAI that are high enough to destroy the entire thyroid and then are started on thyroid hormone replacement pills. This controls the hyperthyroidism sooner and more definitively. With proper treatment, hypothyroidism following RAI ablation should occur within three to six months. In general, the chance of the hyperthyroidism returning (i.e. recurrence) is less than 3%.

A disadvantage of RAI ablation is the potential to worsen thyroid eye disease (ophthalmopathy) associated with severe cases of Graves' disease.

Patients who are pregnant, have large thyroids, suspicious thyroid nodules, risk factors for thyroid cancer, or who have symptoms from a large goiter should not have RAI ablation. In general, most practitioners do not recommend RAI ablation for patients younger than 15 years old.
What is hypothyroidism?
Hypothyroidism is a problem in which the thyroid is underactive or non-active. It is more often seen in women than in men.
What are the symptoms of hypothyroidism?
Symptoms of hypothyroidism may include fatigue, daytime sleepiness, weight gain, water retention, thinning hair, dry skin, constipation, difficulty concentrating, menstrual irregularity, erectile dysfunction and others.

Hypothyroidism can range from mild forms that are asymptomatic, and found only via blood tests, to severe hypothyroidism, that is associated with significant symptoms along with abnormal lab results.
How is it diagnosed?
What are the causes of the hypothyroidism?
Hypothyroidism is most commonly caused by an underlying thyroid disease (i.e. primary hypothyroidism) instead of a problem with TSH production (i.e. secondary hypothyroidism).

The most common causes of primary hypothyroidism are autoimmune thyroiditis (i.e. Hashimoto's thyroiditis or lymphocytic thyroiditis), surgical removal of the thyroid (i.e. thyroidectomy), radioactive iodine treatment, certain medications, and exposure of the neck to significant radiation.
What is Hashimoto
It is the most common cause of hypothyroidism in areas where people get enough iodine in the diet. It is an autoimmune condition. The majority of patients with Hashimoto's have antibodies to thyroglobulin (Anti-TG Ab) and/or thyroid peroxidase (Anti-TPO Ab). These antibodies cause the destruction of thyroid cells which leads to fewer cells making thyroid hormone.

Risk factors for Hashimoto's thyroiditis include female gender, personal history of other autoimmune diseases, and a family history of autoimmune thyroiditis or other autoimmune diseases.
Can medicines lead to hypothyroidism?
How is hypothyroidism treated?
The treatment of hypothyroidism is replacing the body's natural thyroid hormone with a pill form of thyroid hormone.

What precautions should be taken while taking treatment of hypothyroidism?
1 tablet should be kept in bottle tightly closed and away from sunlight.

2 Check expiry date before use.

3 Tablet has to be taken on an empty stomach.

4 Avoid taking food, tea for at least half an hour after taking medicine.

5 Avoid taking other medicines simultaneously like iron, calcium, antacid.
What is a goiter?
"Goiter" is a term for abnormal enlargement of the thyroid gland. The gland can be generally enlarged or have multiple growths (nodules) leading to enlargement of the whole thyroid gland. A goiter can be associated with an overactive gland, an underactive gland, or a normal thyroid gland.
What is a multinodular goiter?
Multinodular goiter is an enlargement of the thyroid due to the growth of multiple nodules. The number and sizes of the nodules vary amongst individuals. There are two forms of multinodular goiter: 1) nontoxic multinodular goiter and 2) toxic multinodular goiter. If the goiter makes normal amounts of thyroid hormone, it is known as a nontoxic multinodular goiter. If the goiter makes inappropriately high amounts of thyroid hormone, it is known as a toxic multinodular goiter.
What is the treatment of goiter?
Not all goiter require surgery as the growth of goiter is usually slow.

The treatment is surgery in the majority of cases. Goiter need treatment if malignancy is suspected or it is causing pressure symptoms like hoarseness, difficulty swallowing, or difficulty breathing. Surgery is also advised if it is hormonally overactive or causing a cosmetic problem.

After surgery patient may develop hypothyroidism which needs treatment.
What is the thyroid nodule?
A thyroid nodule is a growth within the thyroid gland, which may or may not be felt by physical exam. Some nodules are only found incidentally on imaging of the thyroid. Thyroid nodules are very common and by age 60 almost one-half of all people will have a thyroid nodule. Fortunately, most of these nodules are benign i.e not having cancer and do not cause any symptoms.
Why do people get thyroid nodules?
We do not know why most thyroid nodules occur, although some conditions, such as Hashimoto's thyroiditis (inflammation of the thyroid), a family history, radiation exposure, and iodine deficiency may increase the frequency of nodules.
What should I do if I have a thyroid nodule?
If you feel a thyroid nodule, your doctor will initially start the evaluation by a physical exam and laboratory tests to check if your thyroid function is normal.

The next step is usually a thyroid ultrasound. Thyroid ultrasound can help determine the size of the nodule, whether it is solid or fluid-filled (cystic), whether there are any other non-palpable nodules, and if there are any suspicious features.
What is a fine needle aspiration biopsy of a thyroid nodule?
It is the biopsy of thyroid done with the fine needle. It does not require any special preparation and the patient can return to work and regular activity the same day. Sometimes an ultrasound machine needs to locate the nodule.
What are the different types of thyroid cancer?
Papillary thyroid cancer (PTC) is the most common type of thyroid cancer making up to 70-80% of all thyroid cancer cases, while Follicular and H
What are the symptoms of thyroid cancer?
Most patients with thyroid cancer do not have any symptoms. Typically, patients present with a thyroid nodule that is found to be cancer on further evaluation. As with all thyroid disease, a thorough history is important, such as a family history of thyroid cancer, personal history of radiation exposure, or enlarged lymph nodes.

The endocrinologist will review with you any symptoms such as pain, swelling in the neck, difficulty with swallowing, shortness of breath, difficulty with breathing or changes in your voice. If the nodule is large, it may cause symptoms such as difficulty swallowing, choking sensations, or a large mass in the neck. Rarely, cancer can grow into the nerves (i.e. the recurrent laryngeal nerves) that control the voicebox and cause hoarseness.
What is the treatment for papillary thyroid cancer?
Removal of the whole thyroid gland (total thyroidectomy) is almost always recommended as the first step. If the cancer is very small (less than 1 cm) and limited to one side of the thyroid, some surgeons may only remove one half of the thyroid by performing a thyroid lobectomy. PTC can spread to the lymph nodes in the neck which may be felt pre-operatively on examination or seen on ultrasound. Generally, such lymph nodes are removed during the thyroid resection,

Radioactive iodine ablation (RAI) is given weeks to months postoperatively depending on the aggressiveness of cancer based on pathologic findings and whether there is any remaining thyroid tissue.

What is the treatment for follicular thyroid cancer?
Removal of the whole thyroid gland (total thyroidectomy) is almost always recommended as the first step.

Follicular or H
What is the treatment for medullary thyroid cancer?
The best treatment for medullary thyroid cancer (MTC) is surgery to completely remove all disease including the entire thyroid gland, the central neck lymph nodes (located behind the thyroid gland) and all lateral lymph node metastases (located on the side of the neck near the jugular vein and carotid artery).

Calcitonin and CEA are the markers of medullary cancer.
What is Diabetes?
In simple word diabetes means excess glucose in the blood. It is an endocrine disorder where your body fails to utilize the glucose. So excess glucose accumulate in the blood and get deposited into various organs resulting in the damage to those organs.
How diabetes develops?
Every cell in your body requires sugar for normal function. Insulin is the hormone that helps the sugar to be taken up by the cells. It is due to inadequate action of insulin in the body. In case of less Insulin or if the body stops responding to Insulin, the levels of sugars in the blood shoots up. Then a person is said to be suffering from Diabetes.
What are the types of Diabetes?
There are 2 main types of diabetes- type 1 and type 2.
In type 1 diabetes, the body makes little or no insulin. It generally affect children and young adult. These patients require lifelong insulin.
In Type 2 diabetes initially the body does not respond to Insulin(medical term- Insulin resistance) and later on the production of insulin also decreases. Nearly half of the type 2 diabetes patients require insulin in their life.
Other types include
What are the symptoms of the diabetes?
Nearly 50% patients with diabetes do not have any symptoms. Hence it is known as
How do I know if I have diabetes?
Blood tests are done to determine the amount of sugar in your blood .This test will show if you have diabetes . Your doctor may ask you to do HbA1c, fasting sugar or 75 gram oral glucose tolerance test.
How is type 1 diabetes treated?
Treatment for type 1 diabetes involves 2 key parts:
?Monitoring your blood sugar frequently , to make sure it does not get too high or too low.
?Using insulin injections or an insulin pump to keep your blood sugar levels within the normal range. People with type 1 diabetes also need to carefully plan their meals and activity levels. That's because eating raises blood sugar, while being active lowers it. Despite the need to plan, people with diabetes can have normal diets, be active, eat out, and do all the things that most other people do.
How often do I need to see my doctor or nurse?
You may need to see your doctor at least 3 or 4 times an year. The frequency of visits will depend upon how well your sugar is controlled. During your visits your doctor may want to test your average sugar control over the last few months (A1C testing),other parameters like blood pressure,cholesterol,tests for kidney function,eye examination and nervous system evaluation.
Why is it important to keep my blood sugar close to normal?
Having high blood sugar can cause serious problems over time. It can lead to nerve damage,kidney disease,vision problems (or even blindness),pain or loss of feeling in the hands and feet,the need to have fingers, toes, or other body parts removed (amputated),heart disease and strokes. Having low blood sugar can cause problems, too. It can increase your heart rate, cause sweating or shivering. People with very low blood sugar can get serious problems as headaches, drowsiness, unconsciousness or even have seizures.
Why is it important to keep my blood pressure and cholesterol low?
People with diabetes have a much higher risk of heart disease and strokes than people who do not have diabetes. Keeping blood pressure and cholesterol low can help lower those risks. If your doctor or nurse puts you on blood pressure or cholesterol medicines, be sure to take them. Studies show that these medicines can prevent heart attacks, strokes, and even death.
?What if patient with type 1 diabetes want to get pregnant?
Many women with type 1 diabetes have healthy pregnancies. If you want to have a baby, make sure you control your blood sugar really well before and during pregnancy. This will protect you and your baby from problems.
If type 2 diabetes can be there without symptoms, why should I care about it?
Type 2 diabetes might not cause any symptoms initially but can give rise to serious complications if left uncontrolled over a period of time. It can cause:
?Heart attacks
?Kidney disease
?Vision problems (or even blindness)
?Pain or loss of feeling in the hands and feet
?The need to have fingers, toes, or other body parts removed (amputated)
What is the treatment of diabetes ?
Treatment of Type 2 diabetes
What is insulin?
Insulin is a medicine that helps lowering the blood sugar level that is used in the treatment of Diabetes. Diabetes is a disorder in which sugar does not enter the cells and remains elevated in the blood.
Are there different types of insulin?
What is an insulin pump?
An insulin pump is a device that slowly releases insulin into the body. The insulin goes through a thin tube from the pump into the body through an opening in the skin. The device keeps working all day and night.
Why do I need to check my blood sugar level?
Checking your blood sugar level is important because it can tell you:
?If your blood sugar level gets too low or too high
How is type 2 diabetes treated?
Type 2 diabetes can be treated with:
Diet changes,Lifestyle changes,Medicines and Testing.
What diet and lifestyle changes might be part of my treatment?
As part of your treatment, your doctor or nurse might recommend that you: Lose weight, Eat healthy foods,Get regular exercise and not smoke. Making these lifestyle changes is as important as taking your medicines. Medicines used to treat type 2 diabetes
How do I know if my treatment is working?
You can find out that your treatment is working by checking your blood sugar level either in a lab or at home with a device called blood glucose meter.
Your doctor can also do a blood test called an
What if my blood sugar level is still higher than normal?
If your blood sugar level is still higher than normal after you have been taking metformin for 2 to 3 months, your doctor might add a second medicine to your treatment.
Which second medicine will I take?
There are different medicines your doctor can prescribe. The choice will depend, in part, on your weight, your other health problems, and if you want to use an injectable medicine.Some of these medicines can cause low blood sugar as a side effect.

Symptoms of low blood sugar can include:
Sweating,shaking,feeling hungry or worried.Low blood sugar should be treated quickly because it can cause unconsciousness. Your doctor or nurse will tell you ahead of time how to treat low blood sugar.

What other treatments might I need?
Sometimes, people with type 2 diabetes need medicines to treat health problems that often affect people with diabetes. For example, people who have high blood pressure might take medicines to lower their blood pressure. This can reduce their chances of having a heart attack or stroke
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