Pretend that you are a doctor and you have to write a letter to patient. example below is what i have done do you see any mistakes.

Pretend that you are a doctor and you have to write a letter to patient. example below is what i have done do you see any mistakes. TO WHOM IT MAY CONCERN The above 17 year old boy is a registered patient at this practice. My patient has had fever and acute inflammation of the tonsils in the past 3 weeks. I have prescribed an antibiotic treatment. This is to be strictly followed. PLACE THIS ORDER OR A SIMILAR ORDER WITH US TODAY AND GET AN AMAZING DISCOUNT :)