![]() Migraines can also present with a sensory aura, which causes numbness, tingling, or even weakness on one side of the body. Vision isn't the only thing impacted by the decreased brain speed. These types of vision changes don’t usually happen with a tension or sinus headache. “When that happens, there's also decreased blood flow to the brain, and everything slows down.” In turn, about 25 percent of suffers experience an aura either before or during their migraines, according to the Migraine Research Foundation.Ī visual aura causes various forms of distorted vision, including sparkling lights, different colors, pixelated vision, flashes on one side of the visual field, or colorful zigzag lines. “When a migraine happens, there's a slow wave of electrical activity from the back to the front of the brain,” explains Adelene Jann, M.D., a neurologist at NYU Langone Health. (There's one on each side of the brain.) However, only one may be activated when a migraine begins, and as this continues to happen with repeated migraines over time, that one nerve becomes the “quickest, easiest path for the brain,” Ailani explains. One theory has to do with the trigeminal nerves. It's still unclear why migraines may present as one-sided. A tension headache, however, typically presents as pain all over, and a sinus headache presents as pressure around the cheeks, eyes, and forehead. While migraines can be experienced on both sides of the head, the pain is typically only on one side. A run-of-the-mill headache, however, causes a dull, aching pain that's more of an annoyance versus something that throws a wrench in your daily life. “Patients will tell me, 'I can feel my heartbeat in my head,' or talk about touching their temple and feeling the vein throbbing, or feeling like their head will explode,” Ailani says. This is because as your womb grows, it can put pressure on a major blood vessel leading to the heart.Common migraine symptoms you should definitely know about 1. You may also get dizzy if you lie on your back during the second and thirrd trimesters. low blood sugar - keep a snack with you and avoid skipping meals.hormone changes - this can cause your blood pressure to drop, allowing less blood to get to your brain.The main causes of dizziness and fainting during pregnancy are: If possible, get somebody else to drive you home. You may feel tired and weak for 30 minutes or more after fainting. It is normal to feel disorientated for a few seconds after you wake. If you faint you will usually be unconscious for 20 seconds. blurred vision or spots in front of your eyes.You might faint if you feel any of the following signs: But as the dizziness starts to improve, drink some water and have a snack. Loosen any tight clothing.ĭo not eat or drink anything if you are feeling very dizzy or faint. Get someone to open a window.ĭo not try to move from where you are. If you sit, lower your head towards your knees. They can support you and get help if needed. If you feel faint then you should tell someone. Stay with them until they wake up or help arrives. have injured themselves seriously during the fall.are having a fit, or a convulsion, or jerking movements.have not woken up after 1 minute (make sure they are not on their back).Roll them onto their left side, with their left knee pulled up towards their chest.If a pregnant woman has fainted you should: this is the first time you have fainted.you have been diagnosed with high blood pressure or pre-eclampsiaĬontact your GP or your out-of-hours GP if:.your baby's movements have changed since you fainted.you have fallen and landed or injured your tummy, or your bump or your abdomen.Go to your GP immediately if you have fainted and hurt yourself, especially if you hit your head.
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