SALT FOR BED SORES. My mom's dermatologist once gave me this tip: salt can help heal a bed sore faster. Use 1 tbsp salt with 1 cup lukewarm water. Dip a cotton on the water-salt solution, remove excess water, put on the sore area. Cover w/ a clean gauze pad to stabilize. Secure gauze pad with medical tape. Salt helps heal and dry the bed sore faster. I tried it, it works everytime.