Skip to content
Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

Does LEVOTHYROXINE Cause Brain fog? 121 Reports in FDA Database

Thyroid Balance & Feminine Wellness

Thyrafemme Balance — 14 gentle ingredients for energy, mood & hormonal harmony.

Discover Thyrafemme

According to the FDA Adverse Event Reporting System (FAERS), 121 reports of Brain fog have been filed in association with LEVOTHYROXINE (LEVOTHYROXINE SODIUM). This represents 0.2% of all adverse event reports for LEVOTHYROXINE.

121
Reports of Brain fog with LEVOTHYROXINE
0.2%
of all LEVOTHYROXINE reports
1
Deaths
4
Hospitalizations

How Dangerous Is Brain fog From LEVOTHYROXINE?

Of the 121 reports, 1 (0.8%) resulted in death, 4 (3.3%) required hospitalization.

Is Brain fog Listed in the Official Label?

This adverse event is not currently listed in the official FDA drug label for LEVOTHYROXINE. However, 121 reports have been filed with the FAERS database.

What Other Side Effects Does LEVOTHYROXINE Cause?

Fatigue (10,494) Headache (6,425) Insomnia (4,663) Drug ineffective (4,556) Alopecia (4,491) Weight increased (4,130) Nausea (4,013) Palpitations (3,825) Dizziness (3,761) Asthenia (3,694)

What Other Drugs Cause Brain fog?

FINASTERIDE (293) OFATUMUMAB (278) LENALIDOMIDE (261) AVAPRITINIB (242) DUPILUMAB (240) RELUGOLIX (239) PALBOCICLIB (228) OCRELIZUMAB (205) ELEXACAFTOR\IVACAFTOR\TEZACAFTOR (194) TIRZEPATIDE (168)

Which LEVOTHYROXINE Alternatives Have Lower Brain fog Risk?

LEVOTHYROXINE vs LEVOTHYROXINE\LEVOTHYROXINE LEVOTHYROXINE vs LEVOTHYROXINE\LIOTHYRONINE LEVOTHYROXINE vs LEVOXYL LEVOTHYROXINE vs LEXAPRO LEVOTHYROXINE vs LEXISCAN

Related Pages

LEVOTHYROXINE Full Profile All Brain fog Reports All Drugs Causing Brain fog LEVOTHYROXINE Demographics