Zinc oxide is a powdered mineral that sits on top of the skin, scattering, reflecting, and absorbing UVA & UVB rays. Although zinc oxide is the safest and most effective active sunscreen ingredient, the best protection from the sun is to seek shade and cover up with clothes and a hat.
Story at-a-glance 1  -. With immediate and antibiotic-free treatment, strep throat can improve in two to five days, up to a week. 2  Immediate treatment of strep throat is very crucial not just for quick recovery, but because an untreated case of strep throat can lead to further complications.
Strep throat - causes, symptoms, treatment. Strep throat, also called streptococcal sore throat, is an infection of the throat and tonsils caused by a Streptococcal bacteria. Typical symptoms are sore throat, chills, fever, and swollen lymph nodes in the neck. Strep throat is cured by antibiotic treatment.