Peripheral nerve entrapment occurs when a nerve outside the brain and spinal cord becomes compressed or irritated. This can cause numbness, tingling, burning pain, weakness, or difficulty using the affected hand, arm, leg, or foot. Some cases improve with simple changes, while persistent or worsening symptoms may need neurological evaluation....

An EEG may be recommended when someone experiences seizures, unexplained loss of consciousness, staring episodes, unusual movements, or other symptoms that could involve abnormal brain activity. The test can provide valuable information about how the brain is functioning, but many patients are unsure what an EEG actually measures or what...

Sudden changes in vision can be alarming. Blurred vision, double vision, flashing lights, loss of part of the visual field, or temporary vision loss may come from the eyes themselves—but sometimes the brain, optic nerves, or other parts of the nervous system are involved. Because some neurological causes of vision...

Pain that begins in your neck and travels into your shoulder, arm, hand, or fingers may be more than simple muscle soreness. In some cases, these symptoms develop when a nerve in the cervical spine becomes irritated or compressed. This condition is commonly known as a pinched nerve in the...

A sudden loss of consciousness can be frightening, especially when the person falls, becomes unresponsive, or has brief shaking movements. Two common possibilities are fainting (syncope) and a seizure. Although they can sometimes look similar, they happen for very different reasons and may require different types of evaluation and treatment....

Severe facial pain that feels like an electric shock can be frightening—especially when it appears suddenly during simple activities such as brushing your teeth, eating, talking, or touching your face. One possible cause is trigeminal neuralgia, a chronic pain condition involving the trigeminal nerve, which carries sensation from the face...

Waking up with one side of your face feeling weak or noticing that your smile suddenly looks uneven can be alarming. Facial weakness can have several causes, including Bell’s palsy, but sudden facial drooping can also be a warning sign of a stroke. Understanding how the symptoms started and whether...

An occasional shaky hand can happen after too much caffeine, lack of sleep, stress, or strenuous activity. But shaking that keeps returning, gradually worsens, or begins interfering with everyday tasks may deserve a closer look. A tremor is an involuntary, rhythmic movement that can affect the hands, arms, head, voice,...

If you live in Oviedo or the surrounding Central Florida area and have been experiencing numbness, tingling, burning sensations, or “pins and needles” in your hands, feet, arms, or legs, you may be wondering whether it is something minor—or something that should be evaluated by a neurologist. Temporary numbness can...

If you are experiencing pain that starts in your lower back or buttock and travels down your leg, you may be wondering whether sciatica is the cause. Pain that starts in the lower back or buttock and travels down the leg may be a sign of sciatica, especially when it...