Appendicitis: The cause of appendicitis is not clear. Common symptoms of appendicitis include vague abdominal pain, nausea, vomiting, fever, constipation, diarrhea. Some people have no symptoms of appendicitis. Treatment for appendicitis is generally an appendectomy (removal of the appendix).

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Doctor's Notes on Appendicitis Symptoms

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Abdominal Pain in Adults

Abdominal pain in adults can range from a mild stomach ache to severe pain. Examples of causes of abdominal pain in adults include appendicitis, gallbladder disease, gastric ulcers, pancreatitis, heart attack, kidney stones, diverticulitis, shingles, spider bites, and more. Information about when to seek medical care for abdominal pain is also provided.
Diarrhea

Diarrhea can be caused by bacterial or viral infections, parasites, intestinal diseases or conditions, reactions to medications, and food intolerance or allergies. Symptoms of diarrhea include watery stools, abdominal cramping, fever, and dehydration. Most cases of diarrhea can be treated at home. In some cases (in the elderly, small children, or those with severe or chronic medical conditions) may need to be hospitalized due to dehydration.
How Do You Check If You Have Appendicitis

Severe and worsening abdominal pain on the right side is usually the first symptom of appendicitis -- it gets worse upon breathing deeply or sneezing. Appendicitis, or infection of the finger-like organ that projects from the colon, can be cured by antibiotics or appendectomy surgery.
Pinworms

Pinworms (Enterobius vermicularis) are the most common human worm infection in the United States. Both children and adults are at risk for getting pinworms. An itchy rectal area is the most common symptom of pinworms. Pinworms are visible to the naked eye, but their eggs are not. Pinworms are ingested via person-to-person contamination. The female pinworms lays eggs around the anal, urethra, or vagina. The tape test is an easy way to diagnose pinworms. Medication to treat both children and adults include albendazole (Albenza) and mebendazole (Vermox). Washing bedding, clothing, toys, and other items the infected person has used or touches also is recommended.
Abdominal Pain in Children

Abdominal pain in children can range from trivial to life-threatening. Symptoms of abdominal pain range from vomiting, diarrhea, fever, groin pain, urinary problems, or skin rash. The location of the abdominal pain may be around the belly button, occurs only at night, while eating. The pain pain also may be intermittent. Treatment of abdominal pain in children is depends on the cause. Possible causes of abdominal pain in children include infections, food related (food allergy or food poisoning), poisoning from medication, food, household products, appendicitis, diabetes, or spider bites.
Vomiting and Nausea

Vomiting and nausea are common complaints that accompany many conditions and diseases. A few common causes of vomiting and nausea include food poisoning, viruses, vertigo, head injuries, gallbladder disease, appendicitis, migraine, brain tumors, and infections. Treatment of vomiting and nausea depend on the cause of the symptoms.
What Are the Early Warning Signs of Appendicitis

Severe pain in the lower right abdomen is usually the first sign of appendicitis. This is a medical emergency and you should see a doctor right away if you suspect you have appendicitis.

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Appendicitis FAQs MedicineNet doctors answer common frequently asked questions regarding appendicitis. Get quick facts and learn the causes of appendicitis as well as symptoms, risks, and treatments for this potentially fatal condition.