Injection Treatment for Piles: What Patients Should Know
Dr. Ilango Sethu
Surgical Gastroenterology · Iswarya Hospital
Sclerotherapy (injection treatment) is a minimally invasive option for treating Grade I and II haemorrhoids. Here's how it works and what to expect.
Haemorrhoids (piles) affect millions of people globally. For early-stage piles, injection sclerotherapy is a simple, effective, and well-tolerated non-surgical treatment.
What Is Injection Treatment (Sclerotherapy)?
Sclerotherapy involves injecting a chemical solution (typically 5% phenol in almond oil, or quinine/urea hydrochloride) directly into the haemorrhoidal tissue. The solution causes the blood vessels to harden, shrink, and eventually scar and disappear.
Who Is It Suitable For?
The Procedure
1. No anaesthesia required (the injection is into the insensitive mucosa above the dentate line)
2. Done as an outpatient procedure (no hospitalisation)
3. Takes 5–10 minutes
4. Up to 3 haemorrhoids can be treated at one session
What to Expect After Treatment
Success Rate
Sclerotherapy is effective in 75–90% of Grade I–II cases. Recurrence is possible, especially if lifestyle factors are not addressed.
Lifestyle Changes to Complement Treatment
Iswarya Hospital's Colorectal and Gastroenterology team offers the full range of piles treatments — from injection to laser and surgical options.
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