Talk to your veterinarian if you have any concerns or notice your pet displaying other allergy symptoms. (aercmn.com)
If frequent green poop is coming from a baby who is also fussy or develops other allergy symptoms, like a rash or runny nose, the cause may be an allergy or sensitivity to a food in the mother's diet. (breastfeedingtoday-llli.org)
It may occur along with other allergy symptoms, like sneezing and an itchy nose, and often affects people in families with a history of hay fever (also known as allergic rhinitis), asthma, or eczema. (health.com)