Varithena is a quick, minimally invasive procedure, but the recovery period stretches longer than most people expect. The first 28 days are the most important window, with specific walking requirements, compression stockings, and activity limits that directly affect how well the treated vein closes and how quickly your symptoms improve. Here’s what the timeline actually looks like.
The First Few Days
Most people walk out of the office within an hour of treatment. You’ll have compression stockings or bandages on your leg before you leave, and you’ll be asked to start walking right away. This isn’t optional. Walking keeps blood flowing through your deep veins and reduces the risk of clots forming in the wrong place.
During the first few days, expect tenderness along the treated vein, some bruising, and possibly firm lumps under the skin. These lumps are segments of the collapsed vein and are a normal part of the process, not a sign something went wrong. Deep, dark purple bruising at the injection site is one of the most common side effects. The area may feel tight or sore when you move, but this typically improves within the first week or two.
The 28-Day Recovery Window
For the first four weeks, you need to walk at least one hour every day. You can break that into 10- to 20-minute intervals spread throughout the day, which makes it manageable even if you’re not used to regular exercise. This daily walking routine is the single most important thing you can do during recovery. It promotes circulation, helps your body reabsorb the treated vein, and lowers your risk of deep vein thrombosis (DVT).
Compression stockings are a key part of this period as well. Your doctor will tell you how long to wear them each day, but most protocols call for wearing them during all waking hours for at least two to four weeks. Keeping consistent pressure on the leg helps the treated vein stay collapsed and reduces swelling.
During this window, you should avoid strenuous exercise, heavy lifting, hot baths, saunas, and prolonged standing. These activities can increase blood flow to the treated area or raise pressure in your leg veins, which can interfere with the closure process. Light daily activity and walking are encouraged, but hold off on anything high-impact until your doctor clears you.
Blood Clot Risk After Varithena
DVT is the most serious potential complication. The injectable foam used in Varithena is designed to damage the inner lining of the target vein and cause it to close, but that same process can sometimes extend into deeper veins. A 2023 study published in the Journal of Vascular Surgery found that without blood-thinning medication after the procedure, DVT rates ranged from about 15% to 17%. When patients received a short course of a blood thinner for five days afterward, that rate dropped to about 2%, which is comparable to DVT rates after thermal ablation procedures like laser treatment.
This is why your follow-up ultrasound matters so much. Vascular surgery guidelines recommend an ultrasound within one week of the procedure, since most clot-related complications develop within the first 72 hours. Some practices schedule this scan within one month instead. Either way, this imaging appointment isn’t something to skip or reschedule. It confirms the treated vein has closed properly and checks for any clot extension into the deep venous system.
When You’ll See Results
Don’t expect instant visual improvement. In the first few weeks, your leg may actually look worse than before treatment because of bruising, swelling, and discoloration along the treated vein. This is temporary.
Noticeable improvement in the appearance of your veins typically starts between one and three months. Spider veins and smaller varicose veins tend to fade faster, with many becoming barely visible by the two-month mark. Larger varicose veins take longer. Most people reach their final results somewhere between three and six months after treatment, when the treated veins either disappear completely or fade to the point where they’re hard to spot. Some people need a second treatment session to address remaining veins, which is common and doesn’t mean the first round failed.
Symptom relief often comes faster than the cosmetic changes. Heaviness, aching, and swelling in the leg frequently improve within the first few weeks as the refluxing vein is taken out of circulation.
Travel After Treatment
Flying and long car rides increase your risk of blood clots even under normal circumstances, so combining travel with a recent vein procedure requires caution. The general recommendation is to avoid flights for at least four weeks after treatment. Short flights under four hours may be possible within one to two weeks, depending on your individual risk factors.
If you absolutely cannot avoid traveling during the first month, wear your compression stockings for the entire trip, stay hydrated, and get up to walk every 30 to 60 minutes. Your doctor may also prescribe a short course of blood thinners if your travel plans overlap with the early recovery window.
What to Watch For
Some discomfort, bruising, and firmness along the treated vein is expected and not cause for alarm. But certain symptoms need prompt attention. Sudden swelling in the entire leg (not just the treatment area), chest pain, shortness of breath, or a warm, red, increasingly painful area on the leg could signal a blood clot or, rarely, a pulmonary embolism. These symptoms warrant an immediate call to your treatment provider or a visit to the emergency room.
Skin discoloration along the path of the treated vein can persist for several months. This brownish staining happens when blood trapped in the collapsed vein breaks down and deposits iron pigment in the surrounding skin. It fades over time in most cases but can take six months to a year to resolve fully.