"What are the causes of persistent vomiting" is a useful and comprehensive application that aims to provide important and detailed information about persistent vomiting and its possible causes. The app aims to educate users and provide comprehensive knowledge about this unwanted symptom and potential warnings associated with it.

Application features:
1. Vomiting: What Causes Persistent Vomiting App includes comprehensive information about vomiting and its definition, and highlights different types of vomiting and their distinguishing signs. Useful information is provided to understand the possible causes of persistent vomiting and its impact on general health.

2. Causes of persistent vomiting: The application provides a comprehensive list of possible causes of persistent vomiting, including chronic diseases such as gastritis, peptic ulcer, irritable bowel, and food poisoning. The app also explains the symptoms of each condition and suggested diagnostic steps.

3. Other Causes of Vomiting: The app also provides information about other possible causes of vomiting, including medication side effects, pregnancy, stress and anxiety, migraines, and other environmental factors.

4. Doctor's review: The application provides advice and directions on when the user should seek medical help

. It helps users identify important diagnostic items and provides recommendations for dealing with persistent vomiting.

The application "What are the causes of persistent vomiting" aims to promote health awareness and help identify the possible causes of persistent vomiting. By providing comprehensive information and ease of use, users can make informed and appropriate health decisions to maintain their overall health and well-being.

Please note that this description is suggested and you may modify or customize it to suit your own vision of the application.