Why are your nipples swolen and sensitive if you not pregnant?

Hormonal changes: Nipple swelling and sensitivity can be caused by hormonal changes related to the menstrual cycle. Estrogen and progesterone levels fluctuate throughout the month, and these fluctuations can cause the nipples to become more sensitive and swollen.

Birth control: Some types of birth control, such as oral contraceptives and hormone replacement therapy, can also cause nipple swelling and sensitivity. This is because these types of birth control can alter the levels of estrogen and progesterone in the body.

Medications: Certain medications, such as antidepressants, antihistamines, and antipsychotics, can also cause nipple swelling and sensitivity as possible side effects.

Underlying medical conditions: In some cases, nipple swelling and sensitivity can be a sign of an underlying medical condition, such as a thyroid disorder or a pituitary tumor. If you experience nipple swelling and sensitivity along with other symptoms such as weight gain or loss, fatigue, or vision changes, it's important to see your doctor for evaluation.

If you are not experiencing any other symptoms and the swelling and sensitivity is not severe, it is likely that it is related to normal hormonal fluctuations. However, if you are concerned, it is always best to consult with a healthcare provider for an accurate diagnosis and appropriate treatment.