In stochastic processes, chaos theory and time series analysis, detrended fluctuation analysis (DFA) is a method for determining the statistical self-affinity of a signal.
Sore throats caused by tonsillitis or streptococcus may trigger a canker sore even after the initial throat condition has subsided. Also known as an aphthous ulcer, canker sores are painful and unsightly, but they are not contagious.
Most sore throats are caused by viral infections, such as a cold or flu. Often youâll have other symptoms like a runny or stuffy nose, sneezing, cough, a mild fever, and fatigue. It can be hard to tell the difference between a cold and flu, but the flu tends to cause worse symptoms, like high fever and muscle aches.If your sore throat is from a virus, antibiotics wonât help. Instead, gargle with warm salt water and use over-the-counter treatments like lozenges and sprays.ften youâll have other symptoms like a runny or stuffy nose, sneezing, cough, a mild fever, and fatigue. It can be hard to tell the difference between a cold and flu, but the flu tends to cause worse symptoms, like high fever and muscle aches. If your sore throat is from a virus, antibiotics wonât help.