Why is osmotic pressure low in someone who is having an allergic reaction? The relative concentration of the large molecules (proteins, sugars) that maintain osmotic pressure increase and, thus, the osmotic pressure decreases within the capillary

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Why is osmotic pressure low in someone who is having an allergic reaction?

The relative concentration of the large molecules (proteins, sugars) that maintain osmotic pressure increase and, thus, the osmotic pressure decreases within the capillary. At the venous end of the capillary, the pressure gradient is reversed and fluid does not re-enter the capillary.

An allergic reaction can cause a person to go into shock and swelling may occur. Body organs are not getting enough blood due to low blood pressure. Since the hydrostatic pressure is greater than the osmotic pressure at the arterial end of the capillary, fluid leaves the capillaries and the volume of blood decreases

The relative concentration of the large molecules (proteins, sugars) that maintain osmotic pressure decrease and, thus, the osmotic pressure decreases within the capillary. At the venous end of the capillary, the pressure gradient is maintained and fluid re-enters the capillary.

An allergic reaction can cause a person to go into shock and swelling may occur. Body organs are not getting enough blood due to low blood pressure. Since the hydrostatic pressure is lower than the osmotic pressure at the arterial end of the capillary, fluid leaves the capillaries and the volume of blood decreases