Iam a 21 year old female. I was feeing fatigue for...

What is the treatment for hypothyroidism ?
The laziness of the thyroid gland may cause the development of signs such as headache, lethargy and weight gain, as in your case, and therefore the specialist doctor will prescribe treatments that will treat the symptoms, such as prescribing levothyroxine or Levothyroixn 100 mg, according to the TSH examination and the results of the TSH examination by a specialized endocrinologist, where the value of the examination should be less than 2.5 . In the case of tumors, the treatment is performed surgically with levothyroxine, vitamin D and calcium therapy such as calcifide or Vitamin D tablet 50,000 IU per week for 6 weeks .
What medical examinations are needed ?
You should have a medical examination with an endocrinologist with a thyroid hormone examination , which includes a TSH examination , which is high, as in your case, or a T3, T4 examination, which is low, he may also conduct an antibody examination and a sonar examination of the gland to look for inflammation or the presence of a tumor .
What are the symptoms of an underactive thyroid gland
You can develop any of the following pathological symptoms :

• Headaches .
• Extreme lethargy .
• Weight gain .
• Hair loss .
• Constipation .
• Weight and body gain .
• Chest pain or cases of development of a flap in the heart .
• High blood pressure .
• Other symptoms .

Advice at the moment :
You should do follow-up with a competent endocrinologist to prescribe treatment and take 25mg of the drug to control the disease with regular follow up