helloo throat infection may be due to bacterial or viral causes...sometimes even gastritis-acid reflux,inflammation of throat due to hot food or spicy food may also cause it..... avoid excessive water change..betadine garle wil also help along wid salt water gargling...consult physician as u may be suffering frm chronic tonsillitis...

hi there are many causes for throat infection....for example 1-bacterial 2-viral 3-post nasal drip(cold or sinusitis) 4-smetimes small dust particles or insects may get embedded In nasopharynx and starts irritation its bettr to avoid the precipitating factors by wearing face mask and by doing salt water gargling when affected if its still not subsiding contact ur physician.