This condition is called postural or orthostatic hypotension and can leave a person feeling dizzy and light-headed, and it could even cause a person to faint.
The fast-moving infection and massive tissue destruction can lead to fever and tachycardia, and can even progress to hypotension, shock, and eventually death - within just a few hours.
Now, when it comes to side effects, Levodopa in combination with Carbidopa may cause nausea, loss of appetite, hypotension, mental disturbances, and discoloration of urine, sweat or saliva.
So, in the case of hypovolemia and hypotension, the macula densa cells sense the low sodium and chloride levels and send a signal over to the juxtaglomerular cells which are located in the wall of the afferent arteriole.