Hi i quit smoking 2months ago

1st-2weeks suffer from dizziness ,tingling of hands and feet, palpitations, anxiety, back pain and lost of appetite

3-4weeks dizziness, anxiety and lost of appetite

5-6weeks dizziness, weight loss, anxiety, chest pain beside armpit and shortness of breath

7-8weeks slightly dizzy but it came normal after an hour.. Shortness of breath, lips twiching and teeth grinding.. Slightly chest pain..

Can anyone help me? Because last month i came from a check-up and have a tests like blood test, ecg and xray and it was normal.. Is my lung and brain recovers from quitting smoking? Ive lost 8kilos too.. From 65kg down to 57...