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Treatment of intractable pruritus ani
E B Eusebio1, J Graham, N Mody
1Department of Surgery, Southern Illinois University School of Medicine, Springfield.
Diseases of the Colon and Rectum
|September 1, 1990
Summary
Intractable pruritus ani, or anal itching, can be effectively treated with a single intracutaneous injection of 0.5% methylene blue. This treatment offers long-term relief for chronic anal itching.
Area of Science:
- Dermatology
- Gastroenterology
- Proctology
Background:
- Idiopathic pruritus ani often responds to conservative measures.
- Dermatologic conditions and anorectal surgeries can resolve associated pruritus ani.
- Chronic, intractable cases require specific therapeutic interventions.
Purpose of the Study:
- To evaluate the efficacy of intracutaneous methylene blue injections for chronic intractable pruritus ani.
Main Methods:
- Inclusion of patients with chronic intractable pruritus ani.
- Intracutaneous injection of 0.5% methylene blue (methylthionine chloride) into anodermal and perianal skin.
- Observation of treatment outcomes for long-term cure.
Main Results:
- A single treatment with methylene blue resulted in long-term cure.
- The treatment was administered intracutaneously on the anodermal and perianal skin.
Conclusions:
- Intracutaneous methylene blue injection is a potentially curative treatment for chronic intractable pruritus ani.
- This method offers a long-term solution with a single administration.