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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.
The reason why dehydration can cause lightheadedness is because it can lead to reduced blood pressure and prevent enough blood from ... “If you are a high-risk patient—older than 50 years old ...
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 ...
Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%). [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]
Vestibular migraine is the association of vertigo and migraines and is one of the most common causes of recurrent, spontaneous episodes of vertigo. [ 3 ] [ 10 ] The cause of vestibular migraines is currently unclear; [ 3 ] [ 40 ] however, one hypothesized cause is that the stimulation of the trigeminal nerve leads to nystagmus in individuals ...
When one strains to increase the flow of urine, it stimulates the vagus nerve (usually more pronounced in elderly men with large prostates). The vagus nerve stimulus causes slowing down of the heart (bradycardia) and a drop in blood pressure. The heart cannot perform effectively as a pump because insufficient blood comes to it.
This may cause a mild headache even without the use of medications like Viagra. To reduce your risk of experiencing a headache after using ED medication, drink lots of water or other alcohol-free ...
The most common cause in this category is fainting associated with an acute myocardial infarction or ischemic event. The faint in this case is primarily caused by an abnormal nervous system reaction similar to the reflex faints. Women are significantly more likely to experience syncope as a presenting symptom of a myocardial infarction. [22]