Research Article

Phytopharmacovigilance in the Elderly: Highlights from the Brazilian Amazon

Table 8

Frequency of ADRs in elderly participants based on the ADR causality assessment methods WHO [19, 20], Macapá, Brazil, 2016-2017.

ADR causality assessmentStructured questionnaire Pharmacotherapeutic follow-up
Only medication use n ()Herbal medicines and medication
use n ()
Only medication use n ()Herbal medicines and medication
use n()

Defined0 (0.0)0 (0.0)2 (50.0)9 (39.1)
Probable4 (13.8)2 (3.5)1 (25.0) 8 (34.8)
Possible21 (72.4)46 (80.7)1 (25.0)5 (21.3)
Unlikely4 (13.8)9 (15.8)0 (0.0)1 (4.3)
Total29 (100)57 (100)4 (100)23 (100)