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Lightheadedness often accompanies the flu, hypoglycaemia, common cold, or allergies. Dizziness could be provoked by the use of antihistamine drugs, like levocetirizine, or by some antibiotics or SSRIs. Nicotine or tobacco products can cause lightheadedness for inexperienced users. Narcotic drugs, such as codeine, can also cause lightheadedness.
People with diabetes are more likely to experience this than people who don’t have diabetes. Skipping meals and not eating enough carbohydrates can also cause blood sugar levels to plummet.
This can cause lightheadedness in some people. In postural orthostatic tachycardia syndrome (POTS), the lightheadedness also comes with a rapid increase in heartbeat. Taking medications or ...
Heavy-headedness can be caused by inner ear disturbance, motion sickness and medication effects. Sometimes it can be caused by an underlying health condition, such as poor circulation, infections or injuries. [4] Panic attacks can cause heavy-headedness as well. Medical conditions like anxiety causes heavy-headedness too. [5]
Vertigo is the sensation of spinning or having one's surroundings spin about them. Many people find vertigo very disturbing and often report associated nausea and vomiting. [6] Presyncope describes lightheadedness or feeling faint; the name relates to syncope, which is actually fainting. Disequilibrium is the sensation of being off balance and ...
These can vary from person to person but can include: Racing heart. Sweating. Chills. Shaking or trembling. Shortness of breath. Dizziness or lightheadedness. Numbness or tingling in your hands or ...
Acute hypocapnia causes hypocapnic alkalosis, which causes cerebral vasoconstriction leading to cerebral hypoxia, and this can cause transient dizziness, fainting, and anxiety. [3] A low partial pressure of carbon dioxide in the blood also causes alkalosis (because CO 2 is acidic in solution), leading to lowered plasma calcium ions ...
This results in not enough blood returning to the brain and causes lightheadedness, brain fog, and fatigue. As their nervous system continues to pump out hormones to get the blood vessels to ...