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.
The solution for step throat is antibiotics. The strep throat incubation period is 3 day but in some people it can last for more than 8 days. Well, going further with the question how long is strep throat contagious after antibiotics, the answer is only till 24 hours after the intake of antibiotic.