How long does it take to treat appendicitis?

Nov 14, 2025 Source: Cainiu Health

Dr. Wang Lei

Introduction

In general, the duration of treatment for appendicitis is not fixed and mainly depends on the treatment method and the severity of the condition. Conservative treatment usually takes 1–2 weeks, while recovery after surgical treatment typically requires 1–3 weeks. Regardless of the chosen approach, patients must follow medical advice during treatment, undergo regular follow-up examinations after surgery to ensure complete resolution of inflammation, and gradually restore nutrition through diet to promote rapid recovery of bodily functions.

Conservative treatment is suitable for mild cases of simple appendicitis. It involves intravenous antibiotic therapy to control inflammation. Pain, fever, and other symptoms gradually improve within 3–5 days after starting medication. However, antibiotics should be continued for 1–2 weeks to consolidate therapeutic effects and prevent recurrence of inflammation. During treatment, strict bed rest is required, along with a light and easily digestible diet. Abdominal pain should be closely monitored; if symptoms worsen, the treatment plan should be adjusted promptly.

Surgery is a common approach for acute appendicitis. With traditional open surgery, patients usually need to stay in hospital for 5–7 days. Discharge is possible once the wound heals well without infection, but an additional 2–3 weeks of rest at home are needed for full recovery. Laparoscopic minimally invasive surgery causes less trauma, allowing discharge 3–5 days after operation, with total recovery time shortened to 1–2 weeks.

Regardless of the chosen treatment, it is essential to follow medical advice during recovery, undergo regular follow-up examinations after surgery to ensure complete resolution of inflammation, and gradually restore nutritional intake to support rapid recovery of bodily functions.

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Is acute gangrenous appendicitis serious?

In general, acute gangrenous appendicitis is a severe form of appendicitis in which the blood supply to the appendix is compromised, leading to tissue necrosis. If experiencing discomfort or symptoms, it is recommended to seek timely medical evaluation and treatment at a正规 hospital. Immediate medical attention is required if symptoms such as persistent severe abdominal pain, high fever, nausea, and vomiting occur; do not self-administer painkillers, as this may mask the condition. After seeking medical care, patients should actively cooperate with diagnostic examinations.

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Can intravenous therapy cure appendicitis?

In early-stage simple appendicitis, intravenous fluids may help control the condition. However, if the appendix becomes purulent, perforated, or gangrenous, intravenous therapy cannot provide a definitive cure and timely surgical treatment is required. Intravenous fluids primarily work by administering antibiotics to combat infection and reduce inflammation, but they cannot resolve underlying issues such as appendiceal obstruction. If symptoms such as worsening abdominal pain, high fever, or vomiting occur, immediate medical attention is recommended.

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Can appendicitis recur after intravenous treatment?

If appendicitis is a simple inflammation without abscess formation or perforation of the appendix, timely administration of adequate intravenous antibiotics can lead to complete resolution of the inflammation, and appendix function gradually returns to normal. With regular diet and avoidance of strenuous exercise, the recurrence rate after intravenous treatment is low, and most patients can remain stable for a long period.