Why does generalised anxiety disorder cause dizziness?

Dizziness is a common presentation of Generalised Anxiety Disorder, but it can feel different from person to person: lightheadedness, unsteadiness, a floating feeling or a sense that you may faint.

When you feel anxious, your body may switch into an alert state. Your heart may beat faster, your shoulders and jaw can tighten, and you may become more aware of ordinary sensations. That combination can make you feel off balance or lightheaded.

Fast or shallow breathing can alter the balance of gases in your blood for a short time. This may bring tingling, chest tightness, a racing heartbeat and dizziness. Worry about the sensation can then intensify it, creating a cycle that is distressing even when it passes.

Dizziness has other possible causes, including dehydration, an inner-ear problem, medication effects, low blood sugar or changes in blood pressure. A new or persistent symptom deserves a proper clinical assessment rather than being assumed to come from anxiety.

Sit or lie down if you feel unsteady, especially before walking on stairs, driving or using machinery. Give yourself a stable point to look at and rise slowly once the feeling eases.

Try gentle, slower breathing: let your abdomen move, breathe in comfortably, then make the out-breath a little longer. Avoid repeatedly taking big, forced breaths, which can make lightheadedness worse for some people.

Regular meals, fluids, sleep and a review of caffeine or nicotine can help reduce physical triggers that may amplify anxiety. For ongoing symptoms, a clinician can discuss anxiety-focused talking therapy, practical coping strategies and whether medication is appropriate for you.

Arrange a medical review if dizziness is new, keeps returning, lasts, interferes with daily life, follows a medication change or occurs without a clear anxiety trigger. Tell the clinician whether the feeling is spinning, faintness, imbalance or blurred vision, and what you were doing when it began.

Seek urgent medical care for dizziness with fainting, chest pain, severe shortness of breath, a new severe headache, weakness or numbness on one side, trouble speaking, new confusion, a seizure, or difficulty walking. These warning signs need prompt assessment regardless of anxiety.

Ask what type of dizziness you are experiencing, whether your medicines or physical health could be contributing, and which symptoms would mean you should seek urgent help. You can also ask for a plan to manage anxiety and monitor whether the dizzy episodes change.