Birth control and leg veins can be related, but the connection needs context. Estrogen-containing contraceptives can increase the risk of a blood clot in some patients; they do not automatically cause varicose or spider veins. Genetics, pregnancy, age, prolonged standing, and weakened vein valves can also affect visible leg veins.
New one-sided swelling, warmth, redness, or persistent calf pain should be assessed promptly because those symptoms can occur with deep vein thrombosis. Sudden chest pain, coughing blood, fainting, or difficulty breathing requires emergency care.
Birth control and leg veins: what to know
Leg veins return blood toward the heart. Varicose veins usually develop when valves inside superficial veins do not close effectively, allowing blood to pool. Spider veins are smaller visible vessels near the skin.
These conditions are different from a deep-vein blood clot, although a person can have more than one vein problem at the same time. Learn more about varicose veins and spider veins.
Combined hormonal birth control may not be appropriate for everyone. Risk depends on the contraceptive type and personal factors such as smoking, age, blood pressure, migraine history, prior clots, and certain medical conditions.
The CDC guidance for combined hormonal contraceptives explains why clinicians review these factors. Do not stop prescribed birth control solely because a surface vein becomes visible; discuss the change and your individual risk with the prescribing clinician.
Difference Between Varicose Veins and Spider Veins
What spider veins and varicose veins have in common is that they are both superficial dilated veins. Varicose veins typically appear on the lower legs, and they develop due to a problem with the venous valves located within the leg veins.
Poorly functioning venous valves allow blood to pool, which can make the veins enlarge and twist. The dilation and coiling that occurs within the legs becomes visible on the outside of the legs.
Spider veins are smaller than varicose veins and can appear on the face or legs. Genetics, hormonal changes, pregnancy, age, and prolonged standing may contribute. Their appearance does not by itself diagnose a blood clot or another medical condition.
Will Stopping Birth Control Make These Veins Go Away?
You may notice a reduction in the darkness of your varicose or spider veins after stopping the pill, but it is unlikely they will go away entirely. The good news is that you may be able to eliminate them with vein treatment.
Common Vein Treatments and Surgeries
The four vein treatments listed below are the most common ones recommended by Dr. Siragusa.
1. Compression Stockings
Made from stretchable elastic material, compression stockings apply pressure to the legs and encourage normal blood flow. You should wear them during all waking hours for the best results.
2. Sclerotherapy
For this procedure, Dr. Siragusa injects medication into your veins through tiny needles. The medication causes irritation and inflammation of varicose veins, resulting in them releasing blood instead of pooling it.
3. Endovenous Ablation
Dr. Siragusa uses a laser to seal off problem veins during endovenous ablation. Your body eventually re-absorbs the problem veins and produces a healthier blood flow.
4. Microphlebectomy
You may need microphlebectomy if you still have numerous bulging veins on the surface of your legs after undergoing an endovenous ablation.
5 important facts about birth control and leg veins
- Different methods have different risks. Estrogen-containing contraception is not the same as a progestin-only method, so individual guidance matters.
- Visible veins do not prove there is a clot. Spider and varicose veins are surface-vein conditions, while deep vein thrombosis affects deeper veins.
- One-sided symptoms need attention. New swelling, warmth, redness, or persistent calf pain should be evaluated promptly.
- Breathing symptoms are an emergency. Sudden shortness of breath, chest pain, coughing blood, or fainting can occur with pulmonary embolism and requires emergency care.
- Medication decisions should be individualized. Discuss symptoms and personal clot risk with the clinician who prescribed your contraception rather than stopping it solely because a surface vein becomes visible.
When birth control and leg veins need evaluation
Visible spider or varicose veins are often evaluated based on symptoms, examination, and medical history. A vein specialist may recommend ultrasound when swelling, pain, skin changes, or other findings suggest a deeper circulation issue.
Treatment is individualized; a green or blue surface vein alone does not establish the cause.
Contact Siragusa’s Vein Clinic in Nashville, TN
- Are you ready to learn more about vein treatment? We invite you to meet our vein physician in Nashville when you schedule a consult.