Doctors Note Logo

Published on: 7/15/2026

Why am I having sudden blurred vision and dizziness when standing up?

Feeling dizzy with blurry vision when standing up is often caused by orthostatic hypotension, a sudden drop in blood pressure that temporarily reduces blood flow to the brain and eyes. When you stand quickly, gravity pulls blood toward your legs, and if your body can't compensate fast enough, symptoms like lightheadedness, blurred vision, or even fainting (orthostatic syncope) can occur. Common triggers include dehydration, prolonged bed rest, certain medications, and underlying conditions affecting circulation or the nervous system.

Because these symptoms can point to many different causes—some minor, some more serious—it's important to understand what's actually driving them before deciding on next steps. Rather than guessing, take a free, instant, online symptom check to get personalized insights based on your specific symptoms and health profile. It only takes a few minutes and can help you make informed decisions about whether to monitor at home, adjust habits, or seek medical care.

Reviewed for medical accuracy: 07/14/2026

answer background

Explanation

When you stand up from sitting or lying down, your body has to quickly adjust your blood flow. Sometimes, this change does not happen fast enough, and your blood pressure drops for a moment. This drop makes less blood reach your brain and eyes, which can lead to feelings of dizziness and blurriness. When this happens quickly and suddenly, it is called orthostatic hypotension. In some cases, people can experience this repeatedly, and it might be related to a condition called postural-perceptual dizziness, where the body has trouble processing the changes in movement and posture correctly. Both of these conditions mean that the body is not keeping blood flowing at the right amount when you change positions. If you notice these symptoms often, it is important to talk to a healthcare professional. You can start by using a free symptom checker to better understand what might be causing your dizziness and blurred vision, and they can check your blood pressure, see if there is an underlying problem, and help you find ways to manage these sudden changes in vision and balance.

(References)

  • Webster KE, Harrington-Benton NA, Judd O, Kaski D, Maarsingh OR, MacKeith S, Ray J, Van Vugt VA, Burton MJ. Pharmacological interventions for persistent postural-perceptual dizziness (PPPD). Cochrane Database Syst Rev. 2023 Mar 9;3(3):CD015188. doi: 10.1002/14651858.CD015188.pub2. PMID: 36906836; PMCID: PMC9997546.

  • Momodu II, Okafor CN. Orthostatic Syncope (Archived). 2023 Jul 3. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. PMID: 30725970.

Thinking about asking ChatGPT?Ask me instead

Tell your friends about us.

We would love to help them too.

smily Shiba-inu looking

For First Time Users

What is Ubie’s Doctor’s Note?

We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.

Was this page helpful?

Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.