проверьте, пожалуйста текст по английскому. и если есть ошибки, помогите исправить (сомневаюсь в использовании времен)

Last week I had a high temperature (about 38,5°C), a fever and a sore throat. I didn’t know what was going on so I went to a doctor. He examined me and said that I probably had flu. He explained to me that it was usually caused by a virus and I should rest for a few days. I asked him to prescribe me some medicines. They were very expensive but I bought all of them.
After a few days of taking the pills I realized that they didn't work and I was still very ill. I even went from bad to worse day after day so I visited the doctor again. This time I felt really bad. Finally I turned out to suffer not from flu but bronchitis. I got a new prescription and new expenditure as well.
Luckily this time the pills helped me and all symptoms were gone. After a week I felt like a newborn! Now I'm strong and healthy again. Please write back as soon as possible and let me know how are you

Не знаю, как лучше выразиться по-русски: "Молодец! ", или "Молодчиха! "

Last week I had high temperature (about 38,5°C), fever and a sore throat. I didn’t know what was happening to me so I went to a doctor. He examined me and said that I probably had a flu. He explained to me that it was usually caused by a virus and I need to rest for a few days. I asked him to prescribe me some medicines. They were very expensive but I bought all of them.
After a few days of taking the pills I realized that they weren’t working and I was still very ill. I even was getting worse day after day so I went to the doctor again. That time I felt really bad. Finally it turned out that I was suffering not from flu but bronchitis. I got a new prescription and new expenditure as well.
Luckily this time the pills helped me and all symptoms were gone. In a week I felt like a newborn! Now I'm strong and healthy again. Please write back as soon as possible and let me know how you are