What are the reactions and feelings on the first day of taking birth control pills?

Patient's question:

Detailed medical condition and consultation purpose: Patient
Duration and persistence of this illness:
Current general condition: Dizziness
Medical history: None
Auxiliary examinations: None

Doctor's answer:

Hello, oral contraceptives can also have certain side effects on the body, but the reaction may not be immediate. Possible adverse reactions include: dizziness, nausea, decreased appetite, fatigue, and so on, which vary from person to person. However, long-term use can have a more negative impact on the body and even lead to infertility. Hope it helps you.