As per your description,possible differential diagnosis for breast tenderness and pain before period may include premenstrual syndrome,fibrocystic breast disease.
Fluctuating hormone levels account for most episodes of premenstrual breast swelling and tenderness. Your hormones rise and fall during a normal menstrual cycle.
If you have new or changing breast lumps,discharge from the nipple, breast pain that interferes with your ability to sleep or perform daily tasks then you should see your gynecologist for a clinical exam.
mammogram or an ultrasound can be done.
In the meantime you can take Advil.
Caffeine, alcohol, and foods that are high in fat and salt can increase discomfort.So avoid them.
Take multivitamin multi-minerals supplement.
Feel free for further queries. It's good to discuss rather than quit.
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