I Have Salty Lips And Also The Roof Of My

I have salty lips and also the roof of my mouth and tongue. I drink as many as 6 ,20oz bottles of water in a 8 hr period. I have recently been prescribed acymericyicin 500 mg for 10 days along with 200mg per day of presedone for 5 days . I had red dots in the back of my throat and a bad cold. I am alergic to penicillin. My first visit to doctor was March 1st. Then 2 weeks later then again on April 7 th. I keep mentioning the salty lips but he was more concerned with blood work ( high BP and cholesterol). My next visit is in 3 weeks. Please help . my daughter thinks I have H Philori and have drank contaminated water