A to Z: Orthostatic Hypotensionenparentshttps://kidshealth.org/EN/images/headers/P-khAZDictionary-enHD-AR1.jpgLearn about orthostatic hypotension, an abnormal drop in blood pressure that occurs when someone moves from sitting or lying down to standing up.orthostatic hypotension, postural hypotension, hypotension, low blood pressure, orthostasis, head rush, lightheadedness, dizziness, fainting, dehydration06/12/201304/10/201909/02/201947c54b8e-5dd2-4645-a97c-3d6084efa683https://kidshealth.org/ws/RadyChildrens/en/parents/az-hypotension-orthostatic.html/<p><em>May also be called: Postural Hypotension</em></p> <p>Orthostatic hypotension is an abnormal drop in blood pressure that occurs when someone goes from sitting or lying down to standing up. This reduction in blood flow causes an oxygen shortage in the <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/brain-nervous-system.html/">brain</a>, leading to lightheadedness, dizziness, and sometimes <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/az-symptoms-fainting.html/">fainting</a>.</p> <h3>More to Know</h3> <p>The body has natural systems in place to quickly regulate blood pressure when changes in blood flow occur. With orthostatic hypotension, however, these natural systems are interrupted.</p> <p>Certain medications can cause orthostatic hypotension, as can <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/dehydration.html/">dehydration</a> due to vomiting, diarrhea, untreated <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/center/diabetes-center.html/">diabetes</a>, or excessive sweating. Severe bleeding, heart problems, nervous system disorders, and other factors can also trigger the condition.</p> <p>Besides feeling faint, someone experiencing orthostatic hypotension might have blurry vision or feel nauseated, weak, and confused. After standing, symptoms usually last for only a few seconds to a few minutes. If they continue longer or there is loss of consciousness, an underlying condition might be involved that requires treatment.</p> <p>Treatment for orthostatic hypotension may include medications or increasing fluids and salt in the diet. Standing up slowly, wearing elastic stockings, and sleeping with the head slightly elevated also can help ease the effects of orthostatic hypotension.</p> <h3>Keep in Mind</h3> <p>While orthostatic hypotension can sometimes indicate a more serious problem, most cases can be successfully treated.</p> <p><em>All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.</em></p>
A to Z Symptom: FaintingIn most cases, fainting is not a sign of a dangerous problem, but should still be discussed with a doctor.https://kidshealth.org/ws/RadyChildrens/en/parents/az-symptoms-fainting.html/6862d0af-cdce-4c42-9d67-bb40f65f36f7
DehydrationDehydration is when the amount of water in the body has dropped too low. Read about what causes dehydration, what it does to your body, and how to prevent it.https://kidshealth.org/ws/RadyChildrens/en/teens/dehydration.html/4dbb09f6-59a5-4398-a00e-944efd28f3d3
DiarrheaMost kids battle diarrhea from time to time, so it's important to know what to do to relieve and even prevent it.https://kidshealth.org/ws/RadyChildrens/en/parents/diarrhea.html/38efbf41-ac94-4d02-be5d-365f9b03cc12
FaintingFainting is pretty common in teens. The good news is that most of the time it's not a sign of something serious.https://kidshealth.org/ws/RadyChildrens/en/teens/fainting.html/39ee89ff-e68b-438a-ad17-4ec77092ccc5
First Aid: FaintingFainting is a loss of consciousness that can be caused by many things. Here's what to do if your child faints or is about to faint.https://kidshealth.org/ws/RadyChildrens/en/parents/fainting-sheet.html/b8ba5e0a-d99a-4baa-bbc6-7343aa8af606
VomitingMost vomiting is caused by gastroenteritis, and usually isn't serious. These home-care tips can help prevent dehydration.https://kidshealth.org/ws/RadyChildrens/en/parents/vomit.html/20a54ee4-1e9e-4822-9631-614f8e08d622
Word! Blood PressureWhen you go to the doctor, a nurse might put a band around part of your arm and pump air into the band, blowing it up like a balloon.https://kidshealth.org/ws/RadyChildrens/en/kids/word-bloodpressure.html/7f4edbb6-fd97-41f6-ba4f-9bf0ddfe6f26