Understanding Thyroid blood tests

Thyroid function tests are a group of blood tests that measure the levels of thyroid hormones in your body. Your thyroid gland produces hormones that help regulate your metabolism, heart rate, body temperature, and other important functions. Thyroid function tests are an important tool in the diagnosis and management of thyroid diseases and conditions.

Why you should do it:

Your thyroid gland plays a crucial role in many bodily functions, and thyroid function tests can help detect thyroid problems in their early stages. If you have symptoms of thyroid disease, such as fatigue, weight gain or loss, hair loss, or changes in heart rate, your doctor may recommend thyroid function tests. Thyroid function tests are also recommended for people who have a family history of thyroid disease or who have been exposed to radiation or other environmental toxins.

When should you test for it:

Thyroid function tests may be recommended as part of a routine physical exam, especially if you have risk factors for thyroid disease. Your doctor may also recommend thyroid function tests if you have symptoms of thyroid disease, or if you are being treated for a thyroid condition and need to monitor the effectiveness of your treatment.

Diseases or conditions associated with it:

Thyroid function tests can help diagnose a variety of thyroid diseases and conditions, including hypothyroidism (an underactive thyroid gland), hyperthyroidism (an overactive thyroid gland), and thyroid nodules (abnormal growths in the thyroid gland). Thyroid function tests can also help diagnose autoimmune thyroid diseases, such as Hashimoto’s thyroiditis and Graves’ disease.

When is it abnormal:

Abnormal thyroid function test results can indicate thyroid disease or dysfunction. Elevated levels of thyroid hormones, such as thyroxine (T4) or triiodothyronine (T3), can indicate hyperthyroidism, while low levels can indicate hypothyroidism. Abnormal levels of thyroid-stimulating hormone (TSH), which stimulates the thyroid gland to produce thyroid hormones, can also indicate thyroid disease or dysfunction.

What to do if it is abnormal:

If your thyroid function test results are abnormal, your doctor may recommend further testing to determine the underlying cause of the thyroid problem. Depending on the cause, treatment options may include medication, radioactive iodine therapy, or surgery. It’s important to follow your doctor’s recommendations and to take steps to protect your thyroid health.

In conclusion, thyroid function tests are an important tool in the diagnosis and management of thyroid diseases and conditions. If you have symptoms of thyroid disease, a family history of thyroid disease, or other risk factors, your doctor may recommend thyroid function tests as part of your routine care. If your thyroid function test results are abnormal, further testing and treatment may be necessary to protect your thyroid health.

Menu

Tests

Find blood test that’s right for you

Your health, your way!

Treatment

Find treatment that’s right for you

Your path to better health

Login

Welcome back

Important Safety Information

Take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level are allergic to Tadalafil or any of the ingredients in Tadalafil

Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help

Tadalafil can cause serious side effects. Rarely reported side effects include:

an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis

sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Tadalafil and call your healthcare provider right away if you have any sudden vision loss

sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Tadalafil and contact a doctor right away

Before you take Tadalafil, tell your healthcare provider if you:

have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure

have had heart surgery within the last 6 months

have pulmonary hypertension

have had a stroke

have low blood pressure, or high blood pressure that is not controlled

have a deformed penis shape

have had an erection that lasted for more than 4 hours

have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia

have retinitis pigmentosa, a rare genetic (runs in families) eye disease

have ever had severe vision loss, including an eye problem called NAION

have bleeding problems

have or have had stomach ulcers

have liver problems

have kidney problems or are having kidney dialysis have any other medical conditions

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Tadalafil may affect the way other medicines work, and other medicines may affect the way Tadalafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:

medicines called nitrates

medicines called guanylate cyclase stimulators such as Adempas (riociguat)

medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Tadalafil with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)

some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)

some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin

other medicines that treat high blood pressure

other medicines or treatments for ED

Tadalafil should not be used with REVATIO or with other PAH treatments containing PDE5 inhibitors.

Tadalafil does not protect against sexually transmitted diseases, including HIV.

The most common side effects of Tadalafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.