Your grandfather might be experiencing tongue problems acquired after a recent stroke. This is the term for dysphagia, which is difficulty in swallowing and speaking. Amazingly, he can now open his mouth and move his tongue slowly. For him to make a full recovery, speech therapy might be useful. Exercises and techniques help in the aspect of toning control of the tongue and swallowing, adding to the general treatment of dysphagia. 

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. 

Migraine­s can be very hard. They ofte­n come with throbbing pain in your head. You may fee­l sick to your stomach. Light and sounds make it worse. Not enough sle­ep and stress can cause migraine­s. Some foods can start them too. Make sure­ you eat good stuff. Drink lots of water. Get lots of re­st. If headaches kee­p happening, talk to a doctor. 

When symptoms disappear, it indicates that the treatment is working. For nerve problems, the patient should gradually change medication. The body needs time, usually a few months, to adjust to a new dose before considering reducing it. If you rush this process, symptoms may return.

Your conditions, Polio Residual Paralysis and cerebral vascular accident (stroke) would generally be categorized as "Multiple Disabilities" rather than "Locomotor Disability." Multiple Disabilities involve coexisting impairments in different body systems, while Locomotor Disability typically refers to issues related to mobility. It's important to consult a medical professional for accurate classification.

As your symptoms indicate, you may be suffering from a migraine or tension headache. But one should not exclude the possibility of serious conditions. I suggest consulting a neurologist for further detailed diagnosis. While you wait, work on reducing your stress and have a good sleep at night. Recall that your health should be considered first and you might need medical attention if the situation requires so.

NMO disease is an illness that damages the spinal cord and the optic nerves. During pregnancy, NMO can have diverse effects on an individual. Some may see an improvement in symptoms, while others might experience worsening. This issue is so far unresearched, and we still haven’t got concrete answers to how childbirth affects NMO. Discuss any worries with your doctor to keep yourself and your baby safe.

Maybe your friend will be feeling that she/he is very sleepy, very dizzy, or may lose consciousness. This occurs because the body is overwhelmed by the drug. It is crucial to take the right steps immediately and calling emergency services is an important one. They will give the needed treatment so that your friend can heal. 

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. 

There is no medical condition specifically referred to as a "sleep stroke." However, strokes can occur at any time, including during sleep. A stroke happens when blood flow to the brain is disrupted, either due to a blocked blood vessel (ischemic stroke) or bleeding in the brain (hemorrhagic stroke). The risk factors for stroke include hypertension, diabetes, smoking, and other cardiovascular conditions. If someone experiences symptoms like sudden numbness, confusion, trouble speaking, or severe headache, even during sleep, immediate medical attention is crucial.

This can be indicative of various underlying medical issues, specifically when you are experiencing fainting problems. Seek immediate medical attention immediately for a proper evaluation and diagnosis.

Symptoms such as fever, headache, throwing up, diarrhea, and nervousness could point towards a stomach bug or food poisoning. These might also leave you feeling light-headed or generally unwell. Make sure to drink enough water, get plenty of rest, and stick with bland foods if this is what you’re going through. If your condition doesn’t improve or gets worse than before, please see a doctor so they can examine you properly and give appropriate treatment options.