hi Gretings from health care magic
does not have any conection to sinus headache
. ACE inhibitors have the role to slow the conversion of angiotensin-I to angiotensin -II by inhiobiting the activity of angiotensin converting enzyme. thus prevents the vaso constriction effect.
sinus headache result from sinusitis- inflammation of sinus from allergfic condition.
sinus inflamation does not have any relation with ACE inhiobitor