It sounds like your son might be experiencing an eye movement disorder, which could be a sign of a neurological issue. I recommend taking him to a pediatric neurologist as soon as possible to get a proper diagnosis and treatment. 

Headaches can hurt a lot. There are many different kinds of headaches. If you have been experiencing headaches for a long time, it is important to determine what is causing them. Pressure, not enough sleep, dehydration or specific dishes may all be triggers for some people. Visit a doctor to get solution for this problem.

Seems that insomnia and the sensation that your brain is heavy might have appeared after you consumed two 400mg Vitamin E capsules. The reason is that Vitamin E overdose suppresses the nervous system and symptoms like insomnia which may be accompanied by feelings of confusion. Get enough hydration, eat well, and stay away from Vitamin E. 

Lack of vitamin D levels in the case of multiple sclerosis patients may be responsible for muscle pain on some occasions. You should be getting enough vitamin D from sunlight or a supplement of vitamin D. Besides that, you can try to make the tension loosen or apply a warm compress to stop the pain. If the pain continues, go to a doctor to get professional advice.

Some people have trouble swallowing after a stroke. This condition is called dysphagia, and it's common after a stroke. If someone coughs while eating, it could mean that food is going into their airways instead of their stomach. A feeding tube can help for a while. Speech therapy often helps people regain their ability to swallow over time. Keep in touch with your doctors to get the best care plan.

You are possibly having a kind of headache referred to as a "medication overuse headache." The condition may arise if you are too dependent on medications such as Vasograin which brings about pain relief. The medicine is responsible for daily headaches that return if not taken. The method is to use Vasograin less frequently and under medical supervision. This way, the cycle of overuse will be interrupted, and the treatment of your headaches will be more efficient.

Muscular dystrophy is when the muscles are gradually deprived of the power they possess to work. Thus, even the most basic movements can become a challenge for sufferers. The reason for this is the malfunction of the genes. Gene therapy is a method that can help in the modification of these genes. It comes with the promise of restoring the mutated genes in muscular dystrophies and substituting them for healthy ones. This can be done through the improvement of the contractility of the muscles and hence, the whole body over a longer period.

Vomiting blood could signify stomach or esophagus irritation, maybe injury. This symptom ne­eds medical evaluation promptly. Blood in vomit, while­ alarming, sometimes happens but re­quires a doctor's assessment. Se­eking medical help impe­rative to determine­ precise cause be­hind this serious symptom. 

Stammering, or stutte­ring, happens when a person has a hard time­ speaking smoothly. They might repe­at some sounds or stretch out words. This can make it tough to talk with e­ase and feel sure­ of themselves. The­ cause is a mix of things like gene­s and how speech grows. The be­st way to help is speech the­rapy with a speech expe­rt.