What are the main effects of L-triiodothyronine?
L-triiodothyronine is the center of thyroid hormones, controls metabolism, and maintains the balance of various functions of the body. Its function is great, and it is described as follows:
First, regulate metabolic rate. This is the main function of L-triiodothyronine. It can enter cells, combine with nuclear receptors, regulate the gene table, and affect the synthesis of various metabolic enzymes. In glucose metabolism, it promotes glucose uptake, oxidation, glycogenolysis and gluconeogenesis, and maintains blood sugar stability. In lipid metabolism, it increases fat decomposition and reduces blood lipids. In protein metabolism, it promotes protein synthesis when appropriate, and in excess, it causes proteolysis. Through this multi-regulation, it increases basal metabolic rate, increases heat production, and maintains body temperature.
Second, to aid growth and development. In embryonic and juvenile development, L-triiodothyronine is indispensable. It cooperates with growth hormone to promote tissue differentiation, growth and maturation. In the nervous system, this substance plays a key role in nerve cell proliferation, migration, differentiation and synaptic formation. In the absence of it, brain development is blocked, resulting in mental retardation. In the skeletal system, it promotes the activity of bone cells and osteoclasts, and regulates bone growth and remodeling.
Third, it maintains the function of the nervous system. In adults, L-triiodothyronine has a significant impact on the excitability of the nervous system. When appropriate, it maintains the sensitivity of nerve conduction and the clarity of thinking. If the secretion is abnormal, when hyperthyroidism, the excitability of the nerve rises, and people are easily excited and insomnia; when hypothyroidism, excitability decreases, and people are sleepy and indifferent.
Fourth, regulate cardiovascular function. This substance can increase myocardial contractility, heart rate and cardiac output. It can up-regulate the number and affinity of myocardial β-adrenergic receptors, and increase the sensitivity of myocardium to catecholamines. It also promotes vasodilation, reduces peripheral resistance, and protects the cardiovascular system.
What are the common side effects of L-triiodothyronine?
L-triiodothyronine is an essential hormone for the human body, but if the dosage is inappropriate, it will also produce various adverse reactions.
First, the appearance of hypermetabolism. Excessive use, the body's metabolic rate rises sharply, just like fuel wood burning. Patients often feel hot, even in cold winter, they are prone to sweating, and their body temperature rises slightly. And because of the acceleration of metabolism, energy consumption increases greatly, resulting in sharp weight loss, food intake is not reduced, and it is difficult to maintain the original weight. At the same time, gastrointestinal peristalsis also accelerates, and the number of stools increases, up to several times a day, unformed but not dysentery.
Second, cardiovascular involvement. The effect of this drug can increase the load on the heart. The patient has frequent heart palpitations, and the conscious heartbeat is like a drum, which is violent and disordered. There are many diseases in the pulse, even causing arrhythmia, such as premature beats and atrial fibrillation. For a long time, the heart is overwhelmed, or the heart is at risk of insufficiency.
Third, neuropsychiatric symptoms. Improper medication can disturb the mental nerves. Patients are irritable and irritable, and the mood swings like waves. Often anxious, restless, difficult to sleep at night, and easy to wake up from dreams. Severe cases may have tremor, slight tremors in the hands, unstable holding, affecting daily behavior.
Fourth, it also affects the bones. Long-term overuse can cause bone metabolism disorders. Bone absorption accelerates, bone thinning, bone strength is greatly reduced, and the risk of fracture increases sharply. Especially in the elderly and mail carriersopausal women, it is more necessary to use it cautiously to prevent problems before they occur.
The way of medication lies in the accurate and appropriate amount, and must not be abused blindly, so as not to cause all kinds of discomfort and endanger health.
What is the correct use of L-triiodothyronine?
L-triiodothyronine, which is L-triiodothyronine, is a key component of thyroid hormones and plays a great role in the regulation of human metabolism. Its correct usage should be carefully followed by the doctor, and it should not be decided without authorization.
If the patient has hypothyroidism, the doctor will usually accurately determine the dosage according to the patient's specific condition, such as age, weight, and severity of the disease. At the beginning, the dose is often small, and then the dose is steadily adjusted according to the results of the patient's thyroid function review to achieve the ideal therapeutic effect. Generally speaking, it is mostly administered orally, and it is appropriate to take it with an appropriate amount of warm water on an empty stomach in the early morning. This is because the drug absorption is better during fasting, which can ensure the stable development of the drug effect.
During the treatment period, patients must take the medicine strictly on time and in accordance with the amount, and must not increase or decrease the dose at will or suddenly stop the medicine. Otherwise, it is easy to cause fluctuations in thyroid function and repeated disease. Moreover, it is necessary to go to the hospital regularly to review thyroid function, blood routine, liver function and other indicators, so that the doctor can grasp the treatment effect in real time and optimize the medication plan in time.
At the same time, during the course of taking the medicine, if the patient detects abnormal symptoms such as palpitation, hand shaking, hypersweating, and sudden weight loss, the doctor should be informed immediately. This may be caused by improper drug dosage and needs to be adjusted in time. Only by strictly following the correct usage can L-triiodothyronine safely and effectively help patients control the disease and improve the quality of life.
Who is L-triiodothyronine suitable for?
L-triiodothyronine is a key hormone secreted by the thyroid gland. It plays a pivotal role in many physiological processes such as human metabolism, growth and development. Its applicable groups are generally as follows:
First, those with hypothyroidism. This generation's metabolism slows down due to insufficient thyroid hormone production, often resulting in chills, fatigue, sleepiness, weight gain, memory loss, etc. L-triiodothyronine can make up for the lack of its hormones, help the body's metabolism return to normal, and relieve various symptoms.
Second, some patients with goiter under special circumstances. If the goiter is caused by iodine deficiency or thyroid hormone synthesis disorder, appropriate administration of L-triiodothyronine may regulate the function of the thyroid gland, control the hyperplasia of the glands, and make the enlarged thyroid retract.
Third, those who need endocrine suppression treatment after thyroid cancer surgery. In order to prevent the recurrence of thyroid cancer after surgery, it is often necessary to inhibit the secretion of thyroid-stimulating hormone with L-triiodothyronine, which can reduce the risk of recurrence by inhibiting the stimulating factors required for the growth of tumor cells.
Fourth, there is hypothalamic-pituitary hypothyroidism. This disease is caused by hypothalamic or pituitary lesions, resulting in insufficient secretion of thyroid-stimulating hormone-releasing hormone or thyroid-stimulating hormone, which in turn leads to hypothyroidism. L-triiodothyronine can directly supplement thyroid hormones and correct hormone deficiency.
However, the medication must be used with caution and must be administered under the accurate diagnosis and strict monitoring of the doctor. Due to individual reactions to the drug, improper medication, or hyperthyroidism, such as palpitations, sweating, hand shaking, insomnia, etc., can harm health.
Does L-triiodothyronine interact with other medications?
L-triiodothyronine is one of the thyroid hormones, which is crucial for the regulation of human metabolism. As for whether it interacts with other drugs, it needs to be reviewed in detail.
Many drugs have their own characteristics, or they interact with L-triiodothyronine due to pharmacological mechanisms or metabolic pathways. Such as anticoagulants, when used in combination with L-triiodothyronine, the anticoagulant effect may be enhanced. Cover L-triiodothyronine can improve the synthesis of coagulation factors in the liver and enhance the metabolic clearance of anticoagulants. The use of both is like sailing in a river with strong winds and surges, and the anticoagulant effect fluctuates unpredictably. Therefore, close monitoring of coagulation indicators and timely treatment are required.
Furthermore, the use of sympathetic drugs with L-triiodothyronine may greatly increase the risk of cardiovascular adverse reactions. These two types of drugs can excite the sympathetic nervous system. Under the synergistic effect, the cardiac load increases sharply, and heart palpitations and arrhythmias are prone to occur, such as runaway horses, which are difficult to control.
There are also hypoglycemic drugs. When used in combination with L-triiodothyronine, the hypoglycemic effect may be disturbed. L-triiodothyronine can accelerate the body's metabolism, affect blood sugar levels, and make the regulation of blood sugar chaotic. Therefore, it is necessary to closely monitor blood sugar and adjust the dose of hypoglycemic drugs rationally.
However, the situation of drug interaction is complicated, like a maze. In addition to the above, it is still necessary to consider the individual differences of patients, such as age, constitution, liver and kidney function and other factors. When taking medication, doctors should carefully review medical records, weigh the pros and cons, and use medication cautiously. It is like walking on thin ice in the abyss to ensure the safety and effectiveness of patient medication.