Thyroid rashes can look like itchy, red, raised welts (hives) that come and go, or like firm, swollen, waxy, orange-peel-textured patches, especially on the shins (pretibial myxedema), often with discoloration (yellow, red, purple) and sometimes deep cracks or thickening. They can also appear as dry, flaky skin or patches in skin creases, or as reddish spots that appear and disappear.
Thyroid skin rashes are typically non-allergic and non-contagious, appearing as red patches on the skin. These patches may be dry, scaly, and itchy, causing discomfort and irritation. The affected areas of the skin can vary, but they tend to occur in specific areas such as the shins, forearms, or face.
Hypothyroidism is a common endocrine disorder in which your child's thyroid gland does not produce enough thyroid hormone. A child with an underactive thyroid may experience fatigue, weight gain, constipation, decreased growth, and a host of other issues.
In hypothyroidism, immune function may be weakened, increasing susceptibility to infections such as UTIs. Additionally, thyroid hormones regulate the body's metabolism and immune response, so when levels are off, they can affect the body's ability to fight off infections.
Is dizziness a symptom of a thyroid problem? Yes, dizziness is a symptom of a thyroid problem. Thyroid diseases³ or thyroid abnormalities sometimes manifest as dizziness. A high heart rate, shortness of breath, and lightheadedness are all possible symptoms of hyperthyroidism.
Contact your healthcare provider as soon as possible if you notice these common symptoms of hypothyroidism:
For example, hypothyroidism and thyroid autoimmunity can damage the inner ear through hormonal, immune, and vascular mechanisms. Vestibular disorders like Ménière's disease (MD) and benign paroxysmal positional vertigo (BPPV) also show possible associations with thyroid dysfunction.
Both hypothyroidism and hyperthyroidism can cause sleep issues. In patients with hyperthyroidism, the nervousness and arousal associated with the condition can prevent patients from falling asleep normally. Increased perspiration caused by the condition can lead to night sweats, waking the patient during the night.
Thyroid hormones act on the gastrointestinal tract so an excess can cause more frequent bowel movements, including diarrhoea. Kidney function may also be affected, causing more frequent urination.
Common symptoms include:
Undiagnosed hypothyroid children may experience slowed growth rate. Additional symptoms include sluggishness, pallor, dry and itchy scalp, increased sensitivity to cold and constipation. If untreated, the condition may have devastating effects, such as stunted physical growth and mental retardation.
On the other hand, it is important to remember that some berries and citrus fruits like strawberries and peaches contain goitrogens. Since it can interfere with the thyroid glands' iodine uptake, eating these fruits of a larger quality can lead to hyperthyroidism.
Low levels of thyroid hormone can interfere with the release of an egg from your ovary (ovulation), which impairs fertility. In addition, some of the underlying causes of hypothyroidism — such as certain autoimmune or pituitary disorders — may impair fertility.
A doctor may examine a person's rash and ask questions to help rule out other possible causes. They may need to request additional tests to check for other causes. Blood tests can check the circulating levels of different thyroid hormones in a person's blood.
Thyroid hormones are essential for brain function. Low or high levels can lead to issues like anxiety, depression, difficulty concentrating and mood swings. Many people don't realize that what feels like a mental health issue could be thyroid related.
Hashimoto thyroiditis and hives
Hashimoto thyroiditis may come with bouts of hives (urticaria). In fact, in one study, 30% of people² who experienced chronic hives were found to have Hashimoto's disease. The characteristics of chronic hives caused by Hashimoto's disease are similar to hives caused by other factors.
There's no direct link between an underactive thyroid and sweet-smelling urine. Be aware, however, that autoimmune Hashimoto's thyroiditis and hypothyroidism are associated with a significantly increased risk of type 1 and type 2 diabetes and a mixed autoimmune form called Latent Autoimmune Diabetes in Adults (LADA).
Hyperthyroidism (overactive) can cause difficulty sleeping. View Source due to arousals from nervousness or irritability, as well as muscle weakness and constant feelings of tiredness. An overactive thyroid may also lead to night sweats and frequent urges to urinate, both of which can disrupt sleep.
For thyroid health, the "one thing" to focus on daily is a source of iodine, found in dairy, eggs, or seafood, and selenium, best from a few Brazil nuts, both crucial for hormone production, but a balanced breakfast with protein, fiber, and healthy fats, like eggs with spinach or oatmeal with berries, provides comprehensive support, while avoiding excessive iodine or simple sugars is key.
What You Can Do
Thyroid disease can cause multiple eye problems. These include redness and swelling, double vision, decreased vision, eyelid retraction (inability to close the eyes), and a bulging of the eye itself.
Circadian variation in thyroid-stimulating hormone (TSH) levels has been well described, with secretion partially pulsatile and partially basal. TSH concentrations are maximal overnight and lowest in the late afternoon to early evening.
Daily habits such as irregular sleep, skipped meals, and stress can harm thyroid function. Improving your routine can offer significant relief and support hormonal recovery.
For some people, hypothyroidism that hasn't been treated can lead to joint and muscle problems. Specifically, hypothyroidism may cause: Muscle aches, tenderness and stiffness. Joint pain and stiffness, particularly in the hands and knees in adults.
While thyroid conditions do not directly cause sinus infections, they clearly impact sinus health through immune function, inflammation, and mucosal health. Common causes of sinus problems include infections, allergies, structural issues (like a deviated septum), and immune system dysfunction.