After eating, blood is rerouted towards the digestive system. Sometimes, the heart and blood are not able to maintain blood pressure, causing dizziness and nausea after meals.
Neurally Mediated Hypotension
Caused by the heart and the brain not connecting properly, this is usually felt after a long period of standing.
This happens due to a steep drop in BP, resulting in the blood not being able to reach parts of the body, particularly the brain.
Multiple System Atrophy with Orthostatic Hypotension (Shy-Drager Syndrome)
This is a rare condition associated with symptoms that are also present in Parkinson’s disease. These symptoms may affect involuntary processes in the body, including heart rate and blood pressure.