A patient with chronic variable immunodeficiency (CVID) may be increased risk for infection with Giardia lamblia.
Reasons to suspect giardiasis:
(1) diarrhea
(2) malabsorption
(3) malaise
Reasons to suspect CVID:
(1) chronic or recurrent giardiasis
(2) therapy-resistant (refractory) giardiasis
(3) other chronic, recurrent infections, especially of the upper and lower respiratory tract
(4) low serum antibody concentrations
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Specialty: Infectious Diseases
