. 2016 Mar 31;28(2):199–204. doi: 10.5021/ad.2016.28.2.199

Table 5. Features of the twopatients with Hashimoto's thyroiditis who showed improved urticaria after treatment with levothyroxine.

Patient no.	Sex/age (yr)	Dose of LT4 (mg/day)	Time to remission (wk)	Before/after				Medication requirements before LT4 therapy	Outcome
Patient no.	Sex/age (yr)	Dose of LT4 (mg/day)	Time to remission (wk)	TSH^*	FT4^*	Anti-TPO Ab^*	Anti-TG Ab^*	Medication requirements before LT4 therapy	Outcome
1	1 Female/51	0.05~0.1	6	6.45/3.43	0.85/1.52	138.3/109.4	528.4/485.4	Azelastine, levocetirizine, olopatadine	No hives for 6 mo; LT4
2	Female/31	0.05~0.1	8	7.00/2.96	0.74/1.11	>600/ND	305.5/ND	Prednisolone, fexofenadine, levocetirizine, ebastine, pemirolast	Rare hives for >1 yr; LT4, Ebastine (prn only)

LT4: levothyroxine, TSH: thyroid-stimulating hormone, FT4: free T4, TPO: thyroperoxidase, Ab: antibodies, TG: thyroglobulin, ND: test not done, prn: as needed. ^*Normal values: TSH, 0.27~4.20 µU/ml; FT4, 0.93~1.70 ng/dl; anti-TPO Ab, 0~34.00 IU/dl; anti-TG Ab, 0~115.00 IU/dl.