https://www.yourhormones.info/hormones/angiotensin/
What happens if I have too much angiotensin? Too much angiotensin II is a common problem resulting in excess fluid being retained by the body and, ultimately, raised blood pressure. This often occurs in heart failure where angiotensin is also thought to contribute to growth in the size of the heart. To combat these adverse effects, drugs such as angiotensin-converting enzyme inhibitors and angiotensin receptor blockers are used in the clinic, although these do have side effects and can lead to excessive retention of potassium (hyperkalaemia).
It's a whole system of different angiotensin types that have different tasks. The liver produces the precursor, then a chain of enzymes produce one angiotensin type after another, a balance maintained by many factors. When a virus mass consumes one of the enzymes, the whole system breaks.
Angiotensin 2 is the most reactive, and has the potential for most severe side effects.
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