How to Use underactive in a Sentence

underactive

adjective

• An underactive thyroid slows down skin cell turnover.
  — Brandi Jones, Health, 28 Apr. 2026
• Cool, pale, dry, or rough skin often points to an underactive thyroid.
  — Brandi Jones, Health, 28 Apr. 2026
• An overactive or underactive thyroid may cause hair loss and dry strands.
  — Consumer Reports, Washington Post, 7 Aug. 2017
• An underactive or overactive thyroid gland can cause your period to come twice in one month.
  — Women's Health, 23 Aug. 2023
• The opposite is true for those who don't make enough thyroid hormone and have an underactive thyroid.
  — Kiera Aaron, Health, 31 Oct. 2023
• Some people with an underactive thyroid (hypothyroidism) may have swelling around their eyes.
  — Amanda Gardner, Health, 28 Nov. 2023
• Swelling An underactive thyroid can cause myxedema, a type of swelling that makes your face, eyelids, lips, or hands look puffy.
  — Brandi Jones, Health, 28 Apr. 2026
• The condition involves an underactive thyroid that can lead to weight gain and fatigue.
  — Matt Hart and Rebecca R. Ruiz, New York Times, 8 June 2017
• The underactive thyroid condition puts her in a high-risk group for virus infection.
  — Bruce Selcraig, ExpressNews.com, 16 Mar. 2020
• Too much iodine might cause an underactive or overactive thyroid.
  — Erica Sweeney, Men's Health, 22 June 2023
• In people with depression, this area is underactive.
  — Emily Kay Votruba, EverydayHealth.com, 15 Dec. 2025
• Over time, the medication may not be enough to keep symptoms away, leading to issues that mimic that of an underactive thyroid.
  — Mike Wehner, BGR, 30 Apr. 2021
• Based on these three levels, a doctor can determine whether the thyroid is underactive or overactive.
  — Melissa Rudy, FOXNews.com, 8 Dec. 2025
• Someone with an undersize or underactive amygdala may not be able to feel empathy or refrain from violence.
  — Barbara Bradley Hagerty, The Atlantic, 16 May 2017
• One study found that curcumin was effective at reducing the symptoms of an underactive thyroid.
  — Amber Smith, Discover Magazine, 12 Oct. 2022
• In hypothyroidism, your thyroid gland is underactive, and your metabolism slows down, sometimes leaving you with chills.
  — Julie Stewart, Men's Health, 29 June 2022
• Hypothyroidism, or underactive thyroid, occurs when the thyroid gland doesn't produce enough hormones.
  — Merve Ceylan, Health, 25 Jan. 2025
• Swelling around your eyes may suggest an underactive thyroid, while retracting eyelids may signal an overactive thyroid.
  — Brandi Jones, Health, 28 Apr. 2026
• Other underactive thyroid symptoms include fatigue, joint and muscle pain, cold sensitivity, and dry skin or hair.
  — Ashley Abramson, Health, 23 Jan. 2023
• A number of factors can lead to appetite loss, including conditions such as cancer, an underactive thyroid, and depression.
  — Laura Schober, Health, 21 Aug. 2025
• Thyroid dysfunction — whether overactive or underactive — also disrupts the hair growth cycle.
  — Ascend Agency, New York Daily News, 16 June 2026
• Eyebrow and Eyelash Loss If your thyroid is underactive, the outer third of your eyebrows may slowly thin or disappear.
  — Brandi Jones, Health, 28 Apr. 2026
• Hypothyroidism is an underactive thyroid gland, and hyperthyroidism is an overactive thyroid gland.
  — Colleen Doherty, Verywell Health, 18 Dec. 2025
• This is important because hair loss can often be a sign of thyroid problems; both an underactive and an overactive thyroid can disrupt hair growth, resulting in hair thinning or shedding.
  — Varsha Patel, Refinery29, 21 Aug. 2025
• People with an underactive thyroid—known as hypothryoid—may feel fatigued or unusually cold, experience weight gain, hair loss, or dry skin, among other symptoms.
  — Sarah Anzlovar, Ms, Verywell Health, 4 July 2023
• Eye Swelling An underactive thyroid can cause fluid retention, leading to swelling or puffiness around the eyes known as periorbital edema.
  — Brandi Jones, Health, 28 Apr. 2026
• DeBonis said her cancer was found when her endocrinologist, who has treated her for an underactive thyroid for many years, decided to perform an ultrasound.
  — Liz Szabo, Kaiser Health News, 31 Aug. 2017
• An underactive thyroid can cause dry skin that can lead to itchy breasts, in addition to many other symptoms like fatigue, constipation, thinning hair, and a slower heart rate, the Mayo Clinic says.
  — Korin Miller, SELF, 3 July 2019
• But in the case of an underactive thyroid, for instance, ongoing hormone-replacement therapy is necessary, and no amount of dieting, exercise, or stress management can take its place.
  — Christine Byrne, Outside Online, 8 July 2021
• Roughly one in five adults has an underactive thyroid—also known as hypothyroidism—according to the National Institutes of Health.
  — Melissa Matthews, Men's Health, 16 Nov. 2022