my mother in law is undergoing peritonial dialysis (APD). age: 78 yrs, wt : 60kgs. for past three days she is complaining of severe headache (forehead part), so severe that she starts crying. it might be sinus, so i am giving her steam inhalations and crocin. (1) How many crocins can she take in a day? yesterday she took 3 till evening and then two later,one in the night and one in early morning. (2) Is crocin safe for her? (3) Any medicine for sinus? thanks