Acromegaly is a condition caused by excess growth hormone in adults. Learn about the common warning signs, bone changes, and risk factors associated with this rare disorder.
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Acromegaly is a hormonal disorder that results from too much growth hormone (GH) in the body during adulthood. Because this condition develops slowly, the early signs can be difficult to notice at first. The most distinct warning signs involve changes to your physical appearance, specifically regarding your bones.
The condition is characterized by the enlargement, thickening, and broadening of bones. This overgrowth primarily affects the extremities of the body. You might notice that rings no longer fit your fingers or that your shoe size has increased unexpectedly.
The symptoms of acromegaly go beyond just physical changes. The excess growth hormone affects various systems in the body, leading to metabolic and internal issues. Understanding these categories can help you identify the condition more accurately.
The most visible symptoms are related to the skeletal system. In adults, because the growth plates (epiphysis) in the bones have already fused, the bones cannot grow longer, so they grow thicker. This leads to the characteristic broadening of bones seen in the face and extremities7.
Growth hormone is considered a diabetogenic hormone, meaning it increases blood sugar levels8. Consequently, people with acromegaly may experience symptoms related to high blood sugar or even develop diabetes mellitus.
Vision Problems: If a pituitary tumor causes the condition, it may press on the optic nerves.
While acromegaly is generally a chronic, slow-moving condition, complications related to the underlying causeoften a pituitary tumorcan sometimes require urgent attention. If the tumor grows significantly or bleeds, it can cause acute symptoms.
If you experience sudden, severe symptoms, it is vital to seek emergency care immediately.
Acromegaly is primarily caused by internal hormonal imbalances, specifically related to the pituitary gland. Unlike type 2 diabetes or heart disease, there are very few lifestyle risk factors that directly cause acromegaly. However, you can control factors that manage the severity of the complications associated with the disease.
Managing your overall health helps mitigate the metabolic risks caused by high growth hormone levels. Since GH is a diabetogenic hormone that increases blood sugar, lifestyle choices that support healthy blood glucose are important.
The primary risk factors for acromegaly are biological and not related to diet or exercise. The condition is almost always caused by a non-cancerous tumor (adenoma) in the pituitary gland.
Your age plays a major role in how excess growth hormone affects you. Acromegaly specifically occurs in adults after the fusion of the bone epiphysis (growth plates). If excess growth hormone occurs in childhood before this fusion, the condition is called gigantism, not acromegaly.
The most significant risk factor is the development of a pituitary adenoma. These tumors secrete excess growth hormone, driving the symptoms of the disease.
Hormonal Imbalance: A disruption in the hypothalamus-pituitary axis can lead to dysregulation.
Acromegaly affects both men and women, and the core symptoms of bone thickening and enlargement are consistent across genders. However, the impact of these changes can be perceived differently or affect hormonal cycles differently.
In women, the hormonal disruption caused by a pituitary tumor may lead to menstrual irregularities. In men, it may impact sexual function or libido. Both genders experience the broadening of extremities, but the cosmetic changes are often more distressing to female patients.
Understanding your risk for acromegaly involves recognizing the difference between childhood and adult growth disorders. If you are an adult and notice that your hands, feet, or facial features are growing or changing shape, this is a significant red flag.
Metabolic Health: Be aware that unexplained high blood sugar can be a secondary symptom.
Send us all your questions or requests, and our expert team will assist you.
The main warning signs include the enlargement, thickening, and broadening of bones, especially in the hands, feet, and face. You may notice rings becoming tight or needing larger shoes.
Adults who develop a pituitary adenoma (a non-cancerous tumor) are at the highest risk. It specifically affects adults after their bone growth plates have fused.
While bone changes affect both, women may experience menstrual irregularities, and men may experience sexual dysfunction. Both genders experience the thickening of bones.
Lifestyle factors do not cause acromegaly; it is caused by internal hormonal issues like pituitary tumors. However, a poor diet can worsen the high blood sugar complications associated with the condition.
Most cases are not hereditary and occur spontaneously due to a pituitary adenoma. However, rare genetic conditions can predispose individuals to endocrine tumors.
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