First you can use a sentences to access your topic like :

Hello Dr. You know that it is the cold weather, right ? ... ( if you talk about cold, flu,..)

Hello Dr. You know that it is the hot weather, right ? ... ( if you talk about heat shock, ...)

Next you will tell about your medical problem and say sth relate to that sickness

Describe how do you feel

Finally end the message with " i will need your reply about some advices which i can recover from ... ( sickness) soon )

About Dr. Joe

First introduce and then tell that "  I have read your message about your health problem and now i win tell you some advices )

End your message with: " i think these advices will help you feel better soon)

Đây là dàn ý của mik bạn có thể thay đổi