after botox on forehead and between brows my skin itched slightly,2 weeks later my head is itchy with tiny white pimples forming and on the brows,i am also useing sustain balance eye drops as my eyes were dry.I had an eye exam i had irritated eyes. Now 2 weeks after botox one of my eyes when i cry has no tears,also i chopped an onion and no tears as prior to botox there would have bin,my skin is concerning me,and my eyes what should i do also my eye muscles feel strained