Spider veins are a very common problem affecting adult women and men and tend to worsen as time goes on. Sclerotherapy is a safe treatment that involves injecting a solution into the small veins that causes them to collapse and nearly disappear. Sclerotherapy is a reliable treatment that is still the most effective way to treat superficial spider veins. Dr. Steele-Griffin uses a newly available solution that is more comfortable and does not sting like older formulations.