Hi,
If you are asking me about the antibiotic prescribed to you is correct or not ,then yes it is correct. I am sure he must have told you about the rest of the treatment.
 - Have rest may be for a day
 - Have plenty of fluids
 - Have comforting fluids(liitle cold fluids),to soothe your throat
 - Do gargles with salt water
 - Use lozenges
 - Avoid irritant(like smoking)
He must have given you a nsaids(pain killer+anti-inflammatory)
Feel free to ask any further question ... 
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