The reasons for postpartum vomiting in American shorthair cats:

1. If the cat’s spirit and appetite are normal after giving birth, most cases of vomiting are because they will go to bed after giving birth. Licking the baby's anus helps the baby defecate, thus causing vomiting.

2. Vomiting in cats is a common symptom or phenomenon, and sometimes it is not caused by disease. In most cases, vomiting in cats is caused by strong stimulation of the gastric mucosa, causing antiperistaltic contraction of the stomach, accompanied by opening of the cardia and antiperistaltic contraction of the esophagus.

Solutions to postpartum vomiting in American shorthair cats:

1. Owners can feed cats lactase tablets to relieve vomiting symptoms.

2. There are also cases of vomiting caused by irritation of the intestinal mucosa. In this case, the cat needs to be fed some probiotics to regulate the intestines.

3. Vomiting symptoms in American shorthair cats are generally not pathological phenomena but a physiological phenomenon. It is a protective reflex function of the body, which refers to the elimination of irritating objects in the stomach. Whenever a cat vomits, the owner should pay close attention to the cat's behavior, detect abnormal symptoms, and seek medical treatment in a timely manner.