I see that you have a tight band headache around your head and feel like vomiting because of anxiety and stress as well. These signs might mean that you have a tension-type headache; typically caused by bad posture at work or eyestrain from looking at computer screens all day long. You could take some painkillers such as paracetamol or ibuprofen to help relieve the pain in your head. Moreover try and calm down by breathing deeply plus drink lots of water. If this feeling doesn’t go away please go see a doctor so they can check it out.

Consult a neurological professional in your area for proper diagnosis and treatment. These symptoms could indicate various medical conditions, and a doctor can provide personalized advice based on the situation. Seek medical attention to address each specific symptom and receive appropriate treatment.

Sometime­s, people faint unexpe­ctedly. This occurs when blood doesn't re­ach the brain sufficiently. It might be low blood pre­ssure, or maybe the he­art rate dropped suddenly. Rapid standing, de­hydration, and low blood sugar often cause fainting. To avoid it, stand up slowly from seate­d positions. Also, drink plenty of fluids regularly. Eating freque­nt meals helps maintain stable blood sugar le­vels.

For some people, taking 4500 mg of methylcobalamin every day can be dangerous. If you take too much methylcobalamin, you might get an upset stomach, diarrhea, or a rash. Talk to your doctor if you feel unwell. They might change the amount you take or give you another kind of treatment. 

The possible reasons may be stress, lack of water, or lack of rest, to mention a few. In this case, make yourself feel better by drinking enough fluids, eating the right nutrients, and doing calming activities like deep breathing or meditation. Sleep habits are also important. Nonetheless, if the symptoms persist you should consult a neurologist for personalized treatment plan.

You should go for surgery if your symptoms are very severe and make it difficult for you to do your everyday activities. Yes, after surgery, physiotherapy is done for better flexibility and strength. When can you resume writing and other work depends on the type of surgery you had and other things. It is important to listen to your doctor and start writing only after consulting him. 

The ailments you mentioned, such as pounding pain, sleepiness, and fatigue are normal for a concussion. Drink no alcohol and take it easy, but don't sleep now. See if you can manage to stay awake for a few hours and check your symptoms. Go to the doctor in case the symptoms become more serious. 

A smaller head circumference (HC) can mean that the baby is not growing as fast as they should be. Genetics and poor food intake are some reasons why this may happen. Ensure you have a well-balanced diet throughout your pregnancy to increase HC; take plenty of nutrients too. In addition, your physician might suggest some supplements or keep a close eye on the infant’s development. Always keep in touch with your doctor so that both of you receive adequate care.

The chance of you getting the brain-eating amoeba from the water that touches your nose is very low. This amoeba infects the body via the nose and results in an uncommon infection. Symptoms include headache, fever, nausea, and if severe, changes in mental status. The best way to avoid this is not to swim in freshwater areas where amoebas may be present. 

There are many treatment options available for migraines including medication to relieve pain and prevent future migraines. Consult your doctor for treatment they may prescribe specific medications based on the frequency and severity of your migraines.