Table 1.

The items asked in the Flammer Syndrome Questionnaire (FSQ) together with the corresponding references

Signs and symptoms of Flammer syndrome	Corresponding reference
Cold hands or/and feet	[18]
Reduced feeling of thirst	[19]
Low blood pressure	[20]
Dizziness	[21]
Increased response to certain drugs	[22]
Migraines	[23]
Headaches	[21]
Tinnitus	[24]
Low body weight	[25, 26]
Feeling cold	[27]
Long sleep onset time	[28]
Good smell perception	[29]
Increased pain sensation	[30]
Reversible skin blotches (red or white)	[11]
Tendency toward perfectionism	[11]