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What can I do to prevent light headedness during injections?
Lightheadedness during filler injections is usually a vasovagal response, a reflex where anxiety or the sight of a needle drops your heart rate and blood pressure briefly. It's common, harmless, and easy to head off. Eat a real meal beforehand and stay well hydrated the day before; low blood sugar or dehydration makes that reflex more likely. Avoid caffeine right before treatment since it can heighten the jittery feeling. Lying back rather than sitting upright during the injection also helps, since it keeps blood flow to the brain steady. If you know you get anxious with needles, tell your provider ahead of time. Some offices offer calming options such as inhaled anxiolytics for patients who are especially nervous, though availability varies by practice, so ask what's offered at your appointment. Bringing headphones or simply looking away from the syringe can also lower anxiety enough to prevent the drop. If lightheadedness has happened to you before, mention it before you start so your provider can plan accordingly.
Clinical Context
A vasovagal reaction is a normal nervous system response to needles, pain, or anxiety, not a sign of a medical problem. It causes a brief drop in heart rate and blood pressure, which can make you feel dizzy or faint. Symptoms usually resolve within a minute or two once you're lying down. Staying hydrated, eating beforehand, and reclining during treatment all help reduce the chance of it happening.
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