I have Weakness in my right arm that comes and goes. Also dizzy spells. Is this serious?

The symptoms you describe could indicate a serious medical condition. It's important to seek medical attention immediately to get a proper diagnosis and receive the appropriate treatment.

Arm weakness and dizziness can be caused by a variety of conditions, some of which can be life-threatening. Some possible causes include:

- Stroke

- Transient ischemic attack (TIA, or mini-stroke)

- Brain tumor

- Aneurysm

- Multiple sclerosis

- Parkinson's disease

- Guillain-Barré syndrome

- Lyme disease

- Vitamin B12 deficiency

Don't wait to see a doctor if you're experiencing these symptoms. Early diagnosis and treatment can often improve the chances of a full recovery.

In the meantime, here are some things you can do to help manage your symptoms:

- Rest and avoid strenuous activity.

- Drink plenty of fluids.

- Eat a healthy diet.

- Avoid alcohol and caffeine.

- Don't smoke.

- Practice stress-management techniques.

- See a doctor if your symptoms don't improve within a few days, or if they get worse.