Table 5.

Frequency of Different Symptoms on LT4 Monotherapy before Initiating T4+T3 Combination Therapy among 293 Responders to a Danish Internet-Based Questionnaire Study [30]

Symptom	Main symptom, %	Prevalence, %
Being tired	27	91
Lack of energy	17	87
Cognitive problems	11	83
Musculoskeletal symptoms	10	76
Weight problems	8	75
Pain	4	49
Diffuse symptoms	4	48
Depression	2	39
Constipation	2	42
Sweating	0.3	31
Other	15	36

LT4, levothyroxine; T4, thyroxine; T3, triiodothyronine.