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. 

Headaches can arise in many ways, for example, stress, lack of sleep, or even looking at screens for too long can cause them. It's better to lie in a peaceful place, drink a lot of plain water, and abstain from excessive screen time. If the pain persists, you need to go to a doctor and get a thorough checkup done.

You seem to feel weakened as your legs are not strong. Feeling sleepy most of the time and neck pain might be due to the problem in your neck bones. Not being hungry is also one of the consequences of the issue. Get some sleep and perform the exercises gently so as to reduce neck problems. The best way to maintain your energy levels is through eating small, healthy meals.

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.

You seem to suffer from chronic insomnia and tension headaches. Your heart can actively start to beat in your head, heart, or hands during the panic attacks. The lack of sleep that causes the symptoms gets even worse daily. Among them, which can be triggered by stress, insomnia, and bad habits in sleeping. Create a bedtime routine, restrict caffeine, and screen time before bed, and practice deep breathing percussions. Physical activity and counseling can also be amongst the manners to receive further benefits.

A stroke cause­s problems with blood flow to the brain. You had weakne­ss in your arm and leg. Those symptoms are common afte­r a stroke. Getting medical he­lp quickly is important. It improves chances of recove­ry. Treatment involves me­dication, rehabilitation, and lifestyle­ changes.