Table 3 Functional symptoms of thyroid dysfunction.

From: Prevalence and impact of thyroid dysfunction in patients with rheumatoid arthritis

Functional signs

Signs of hypothyroidism (n (%))

 Physical fatigue

38 (65.5)

 Hair loss

20 (34.5)

 Mental fatigue

19 (32.8)

 Dry skin

15 (25.9)

 Constipation

11 (19)

 Weight gain

9 (15.5)

 Eyebrow and axillary hair loss

6 (10.3)

 Cramps

4 (6.9)

 Sensitivity to cold

4 (6.9)

Signs of hyperthyroidism (n (%))

 Physical or mental fatigue

35 (60.3)

 Weight loss

16 (27.6)

 Nervousness

15 (25.9)

 Anorexia

15 (25.9)

 Palpitations

13 (22.4)

 Diarrhea

6 (10.3)

 Hand tremors

3 (5.2)

 Hand sweating

1 (1.7)

  1. n: Number The most common symptoms of hypothyroidism were physical fatigue (65.5%), hair loss (34.5%), and mental fatigue (32.8%). Other notable symptoms included dry skin (25.9%), constipation (19%), and weight gain (15.5%). Additionally, 6.9% of patients reported eyebrow and axillary hair loss, cramps, and sensitivity to cold. On the other hand, symptoms of hyperthyroidism were less prevalent, with physical or mental fatigue reported in 60.3% of cases, followed by weight loss (27.6%) and nervousness (25.9%). Other signs of hyperthyroidism included anorexia, palpitations, and diarrhea, with a smaller percentage of patients experiencing hand tremors and hand sweating.
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