Table 3 Description of Levothyroxine treatment
Study ID | Description of Low Dose Thyroxin | Dosage of Thyroxin Administered | Duration of Treatment | Description of Control Group |
|---|---|---|---|---|
Dev, 2023 [22] | Patients take levothyroxine on an empty stomach an hour before food, and avoided medications that interfere with absorption or took it four hours or more after ingestion. | 25 mg of levothyroxine supplementation | 3 months | Both groups continued or received treatment for migraine prophylaxis. |
Filipchuk, 2022 [31] | N/A | N/A | At least 6 months | A post-hoc case-control supplementary; selecting age, gender, and BMI matching controls from the episodic migraine sample database to be compared with the “cases” patients. |
Hepp, 2018 [32] | Adherent when they took LT4 at least 80% of the days in the postperiod | NA | 1 year | Non-adherent to LT4 |
Lage, 2020 [33] | NA | Untreated with levothyroxine |