Appendicitis refers to the inflammation of the appendix. It can be severe or acute. It takes time to notice the inflammation because changes are not immediately visible.
1. Yes all the people have the appendix in the body. And they can have the appendicitis during the age 10 to 30. Also the symptoms could also lead to other lever related issues.
2. Some of the common symptoms that you can notice is - loss of appetite, nausea, vomiting, constipation, lack of sleep and abdominal swelling and fever in random interval at mild level.
3. There are homeopathy and the Ayurveda treatments available for the appendicitis. However they do take time so depending on the severity you have to change the treatment accordingly.
4. First treatment starts with the antibiotics and then the condition of the abscess is checked. If the abscess is ruptured then the surgery is required. If the basic treatments don't help then the surgery is advised. There si also option of laparoscopy that you may need to check for sure.
It is always a good idea to take the medicine and the advice of doctors and then decide what to do in case if the symptoms of the appendicitis are shown.