Progesterone is an essential female hormone that regulates the menstrual cycle and supports pregnancy. High levels of progesterone indicate when too much of the hormone is in the blood. This may happen for many reasons, including pregnancy, hormone therapy, or some health conditions like ovarian cysts.

Though it is essential for the different functions carried out by our body, unnaturally high levels of progesterone are vital causes of symptoms such as fatigue, mood swings, and changes in appetite. It is, therefore, crucial to understand the hormone balance so that overall health can be managed and proper remedies offered against the cause of such an issue.

Symptoms of High Progesterone

Fatigue—Progesterone has a natural soothing effect, but elevated levels can lead to increased tiredness or a feeling of lethargy. It can affect daily activities and overall energy levels.
Mood Swings- High progesterone can impact emotional stability, resulting in rapid mood changes. It includes feelings of anxiety, irritability, or sudden shifts to sadness, which can be challenging to manage.
Bloating and Weight Gain—Progesterone affects how the body stores fat and can cause water retention. This can lead to a feeling of bloatedness and noticeable weight gain, particularly in the abdominal area.
Headaches or Migraines—Fluctuations in hormone levels, including an increase in progesterone, can trigger headaches or intensify migraine episodes, which can vary in severity and frequency.
Breast Tenderness—High progesterone levels can make the breasts feel tender or swollen. This is due to hormonal changes that affect breast tissue.
Changes in Libido- Progesterone can influence sexual desire, leading to either an increase or decrease in libido. This change can affect personal relationships and overall well-being.
Menstrual Irregularities—Elevated progesterone levels can disrupt the menstrual cycle, leading to irregular periods or changes in menstrual flow. They can also cause periods to be heavier or lighter than usual.

Side Effects of High Progesterone

Sleep Disturbances—While progesterone is generally known to promote sleep, excessively high levels can paradoxically lead to sleep disturbances. These include difficulty falling asleep, frequent awakenings, or unrestful sleep, which can affect overall sleep quality and lead to fatigue during the day.
Emotional Instability- Elevated progesterone can significantly affect mood regulation, leading to emotional instability. Individuals may experience heightened emotions, depression, or increased anxiety, impacting daily life and mental health.
Digestive Issues—High progesterone levels can relax the muscles in the digestive tract, leading to slower digestion. This can cause symptoms such as constipation, bloating, and general discomfort in the gastrointestinal area.
Acne or Skin Changes- Elevated progesterone levels can activate the sebaceous glands, prompting them to produce excess oil. This overproduction can result in skin problems such as acne or other changes, impacting the appearance and health of the skin.
Dizziness- Progesterone can sometimes affect blood pressure, leading to episodes of dizziness or light-headedness. This effect is especially apparent when quickly rising from a seated or lying position.
Vision Changes- In certain instances, elevated progesterone levels may lead to temporary vision changes, including blurred vision or trouble focusing. While these alterations are typically short-lived, they can be worrisome if they continue.
Allergic Reactions—There is a potential risk of allergic reactions for those receiving progesterone through supplements or treatments. Depending on the individual's sensitivity, symptoms can include rashes, itching, or more severe reactions.

Causes of High Progesterone

Several factors can cause high progesterone levels. One of the most common causes is pregnancy, where progesterone levels naturally increase to support the uterine lining and healthy foetal development. Outside of pregnancy, high levels can result from hormone replacement therapies or medications that include progesterone, which are often used to treat menopausal symptoms or menstrual irregularities.

Certain health conditions can also elevate progesterone levels, such as ovarian cysts, particularly corpus luteum cysts, which produce progesterone after ovulation. Additionally, adrenal disorders and rare conditions like congenital adrenal hyperplasia, which affect hormone production, can lead to elevated progesterone levels. Diagnosing the underlying cause is important to manage and treat the symptoms effectively.

Reference

https://www.verywellhealth.com/high-progesterone-symptoms-5185751
https://www.letsgetchecked.com/articles/high-progesterone-levels-signs-and-side-effects/