Recurrent headaches may be caused by cerebral toxoplasmosis

Table 2 Characteristic features of headaches in the seropositive anti-Toxoplasma gondii IgG children

Pt	Frequency of headaches	Pain localization	Duration (h)	Pain intensity1	Pain character	Discomfort for patient
1	Once a month	Temples	< 2	6	Squeezing	No
2	Once a month	Forehead	2-6	4	Squeezing	N/A
3	Once a month	Back	< 2	5	Pulsating	No
4	Daily	Whole head	2-6	5	Squeezing	Yes
5	Once a month	Temples, forehead	2-6	5	Squeezing	Yes
6	Once a month	Forehead, occiput	< 2	3	Pulsating, paroxysmal	N/A
7	More than once a month	Forehead	< 2	6	Expanding	Manageable
8	Rarer than once a month	Stomach	< 2	2	Squeezing	No
9	More than once a month	Forehead, occiput	2-6	8	Expanding, piercing	Yes
10	More than once a month	Forehead, temples	2-6	5	Pulsating	Small
11	More than once a month	Forehead (left side)	2-6	10	Expanding	Yes
12	More than once a month	Temples, orbitae (left side)	2-6	7-8	Pulsating, squeezing	Yes
13	Rarer than once a month	Forehead	< 2	5	Pulsating	No
14	Once a month	Forehead, temples	2-6	4	Squeezing, pulsating	Yes
15	Once a month	Forehead, occiput	0.5-24	2	Dull	No
16	More than once a month	Forehead, temples	6-12	5	Pulsating	No
17	N/A	N/A	N/A	N/A	N/A	N/A
18	Once every 3 mo	Forehead, calvaria	< 2	4	Piercing	No
19	Once every 6 mo	Forehead, orbitae	< 2	8	Squeezing	No

¹Headache intensity was measured in a subjective 1-10 point scale. N/A: Data not available.