Your symptoms suggest you might be having a sinus infection, according to a diagnosis. I suggest that you make an appointment with an ENT specialist or an otolaryngologist to get an exam. They can help formulate a treatment plan for you. 

Feroglobin B12 is a medication applicable in iron and vitamin B12 deficiency treatment. Daflon 500mg treats venous disorders such as chronic venous insufficiency, hemorrhoid, and varicose veins. You should see a doctor concerning the taking of any medicine and then should meet the relevant specialist depending on the case.

The coexistence of antioxidant herbal supplements with escitalopram 10mg and clonazepam 0.5mg is not recommended unless it is approved by a doctor. Because antioxidant supplements compete with pharmaceutical drugs, they can bring about adverse effects like iatrogenic ones. You should talk with a psychiatrist for proper professional guidance on medications and supplement usage.

With the details you have provided, it is likely that you are either suffering from an anal fissure or hemorrhoids. Both problems can trigger burning and itching in the anal area. I suggest you to go to a gastroenterologist for proper diagnosis. They will provide the appropriate treatment according to your condition.

You should visit your doctor or other endocrinologist if the level of your blood sugar cannot be controlled even on insulin. Blood tests can confirm if you have either type 1 or type 2 diabetes confirmed by the test. 

The cause of headaches could be various factors like stress and tension, dehydration, or eye strain. Visiting a physician may be necessary if the headaches last for a long time or have a recurring nature.

This could be a hormonal problem or a lack of certain vitamins and minerals in your body. I would advise you to see a diabetes specialist or a dietician to discuss this topic. Furthermore, developing a healthy bedtime routine as well as avoiding screens before bed is one of the points to take into account.

Yes it is possible. Talk to your doctor the treatment may include antibiotics or other medications 

Based on the symptoms of the gastrointestinal infection. It is necessary to drink lots of water and do not have solid foods until the vomiting subsides. In case the symptoms last longer than 24 hours, or if you get very dehydrated, please visit a gastroenterologist for further investigation and treatment.
 

This may be triggered by several reasons – some of them stress, fatigue, caffeine, etc., or more serious – like hemifacial spasms. If you have any doubt, go to a neurologist to establish the cause of the problem and get proper treatment.

Sometimes, a fast heart rate can be a sign of sleep apnea or other sleep problems when you are feeling sleepy. Please do go see a sleep specialist for more evaluation and else witness the management of your condition.

It is vital to bear in mind that a swollen lymph node can be a sign of an infection or an underlying condition. I recommend you make an ENT specialist appointment that would be a necessary step for your diagnosis and treatment. 

High levels of thyroid can be due to symptoms such as gastritis, pain in the left leg, and so on. It is necessary to consult an endocrinologist whether it is for thyroid management or gastritis. The pulmonologist would be crucial in the management of the breathing problems and the primary physician would refer the patient to the relevant specialist.

I recommend you visit a dietician or a nutritionist so you can have a weight gain program customized for you. Just taking weight gainers without proper advice can cause you some major health hazards. A dietician can recommend you while a nutritionist can help you with the choice of proper supplements for your body type. 

The presence of nausea, headache, and dizziness as symptoms can be linked to diseases such as tumor formation. These complaints can also be indicative of other conditions than primary hypothyroidism. Seeing a neurologist is important in this regard to rule out the possible causes of the symptoms and receive the required treatment.