In some cases, medicine can actually change the way our body burns calories, and hence the weight changes. The metabolism process might be slow to return to normal for a few months after the cessation of the drug. Eat a balanced diet and exercise regularly to help things get back on track. 

Thyroxin sodium and levothyroxine sodium are essentially the same medicine, used to treat hypothyroidism (low thyroid hormone levels). Symptoms of hypothyroidism include fatigue, weight gain, and feeling cold. These tablets help balance hormone levels and relieve symptoms, improving how you feel.

With these symptoms, it seems you are battling the hard times. I would like to recommend checking your adrenal glands and thyroid function, which, if imbalances are found, could cause symptoms similar to the one you are having. Besides, a Klinefelter syndrome genetic test may be worth considering. This syndrome is one that men have which comes from the addition of an X chromosome. It is very positive that you are taking the initiative to have your blood work repeated. That's why we can rule out other potential causes of your symptoms. 

A normal TSH leve­l is good for thyroid health, like yours. Likewise­, normal T3 and T4 levels indicate e­verything's fine. White hair on your scalp and be­ard can result from genetics, stre­ss, or nutritional deficiencies. To addre­ss it, try maintaining a balanced diet, managing stress e­ffectively, and using gentle­ hair care products.

Weight loss may be due to different causes such as lack of proper diet, stress, or an underlying health issue. You might also have symptoms like fatigue, weakness, or changes in appetite. For this, eating a balanced diet, drinking enough water, and going to a dietitian for further evaluation and guidance are the important things to do. 

Blood tests can help detect hormone imbalances. Hormones are used by our body to communicate, and when they are out of balance, problems can occur. Common signs of a hormone imbalance include feeling tired, weight changes, and mood swings. Causes of imbalance can be stress, poor sleep, or health conditions. Treatment depends on which hormone is affected and may include lifestyle changes, medications, or hormone therapy.

It’s good that you’re paying attention to the changes in your body. Sudden weight loss can sometimes be linked to conditions like diabetes, thyroid issues, or other underlying health problems. Visit an endocrinologist to check for diabetes and thyroid problems. The doctor may suggest tests like blood sugar levels and thyroid function tests to identify the issue. 

The symptoms you mentioned like you are weak, tingly in your hands and feet, and you are losing hair, which could be due to a problem with the thyroid gland. Thyroid disorders can lead to these symptoms. Seeing a doctor for a blood test to determine your thyroid levels is critical. Treatment can help to control these symptoms and also enhance your general health.

It is expected that the height growth will stop changing around age 16-18. Growth hormones are unsafe to take without the doctor's advice. Height is the consequence of genes. Healthy nourishment, sufficient sleep, and physical activity can support you to grow to your highest potential. If you have any concerns, it is most appropriate to consult with a doctor who can provide you with the right advice.

This might be a case of orthostatic hypotension. It may occur when your blood pressure drops suddenly after a sudden change in position. Anorexia has an effect on the heart, which can result in this problem. Drink more fluids and take it slow when switching positions to make the condition easy to manage. If it persists, talk to your doctor.

Enduring prolonged nausea and vomiting can be challenging. While these symptoms may be related to a thyroid condition, thyroid medication alone might not fully resolve them. It's important to discuss these ongoing symptoms with your healthcare provider. In some cases, your current treatment may need additional medications or adjustments to better manage the nausea and vomiting.

The B12 level of 2000 is too high. Possible side effects of high B12 include dizziness, nausea, and skin rashes. It may be due to over-supplementation or certain health conditions. To lower it, avoid B12 supplements and foods that are rich in B12. Water is an excellent conductor of waste and thus helps you eliminate excess B12 from your body. Get re-evaluated after a few weeks to check if it's normal again.

As per the signs and tests, the person is thought to have a parasitic infection, for instance, a worm in the intestines. This may result in weight loss, anemia, fatigue, and the yellowing of the eyes at night. The plan includes using a medication to kill a worm as well as boosting iron and vitamin D levels.

You may be going through the phenomenon of breakthrough bleeding. Normally, this may happen after taking hormone replacement therapy. The blood you see may not be like menstrual bleeding in your case. It could be your body learning to cope with the hormone changes. Breakthrough bleeding is usually harmless, but it's good to mention it to an endocrinologist. 

You may be having a condition known as hypothyroidism. This is a result of your thyroid gland not functioning properly. Among the symptoms are missed periods, weight loss, dizziness, tiredness, and shortness of breath. You should consult a doctor and book an appointment for a blood test to see how much thyroid is in your blood.