Your visit is booked and you want to know what happens in the room. This is a planning question, so there is time to read before the day.
This page sets out what published sources say about a sclerotherapy session and what to ask your clinic. It is background, not advice for your own legs. None of the sources below gives an urgency level for the session itself. A medical encyclopedia entry on venous insufficiency explains the condition that brings many people to the visit.
What the injections feel like
RadiologyInfo.org describes the step this way: "Using a very fine needle, your interventional radiologist will inject the vein-dissolving solution into the varicose and spider veins. As the procedure continues, you will feel small needle sticks and possibly a mild burning sensation."
The same publisher gives the length of the visit: "The procedure is usually completed within 30 to 45 minutes."
How much gets treated at once
RadiologyInfo.org also says: "The number of veins treated in one session varies, and depends on the size and location of the veins."
Vein Directory looks at the whole course instead: "A full treatment will take three to four sessions, depending on how many spider veins you have."
Steps to take before the visit
- Read the instructions your clinic gives you for the day.
- Write down which veins you want to ask about.
- Plan for the hours afterward. A health system's guide to what to expect at home after sclerotherapy is a useful read.
- Ask whether this first session is expected to be the only one.
Where the sources differ
RadiologyInfo.org names an interventional radiologist as the person giving the injections. Your clinic may have a different clinician in that role, so ask who will treat you. A plastic surgeons' society page on spider vein treatment describes the same care from another specialty's side.
Where self-care ends
Preparing questions is something you can do alone. The treatment plan for your veins is not. A medical encyclopedia entry on varicose veins can help you describe your symptoms to the clinic. A sudden change in a leg should go to a clinician right away.