Myrobalan (Terminalia chebula), also known as Haritaki, has a long history of use in traditional medicine systems such as Ayurveda and Traditional Chinese Medicine. In these traditions, myrobalan is valued for its purported anti-inflammatory, astringent, and circulatory-supporting properties. Specifically, Ayurvedic texts describe Haritaki as beneficial for a range of vascular and inflammatory conditions, which may include symptoms resembling phlebitis (inflammation of a vein). The rationale is typically based on its "tridoshic" balancing properties and its ability to "purify" the blood and support healthy circulation.

However, while there are some laboratory studies indicating myrobalan’s anti-inflammatory and antioxidant effects, direct scientific evidence supporting its use for phlebitis is lacking. No clinical trials have specifically investigated myrobalan for the treatment or prevention of phlebitis. Most references to its use in this context are derived from its general anti-inflammatory reputation in herbal medicine rather than controlled scientific evaluation. Therefore, the justification for using myrobalan in phlebitis primarily rests on traditional use rather than robust scientific validation.

In summary, while myrobalan is historically used for circulatory and inflammatory conditions in traditional medicine, direct evidence for its efficacy in phlebitis is minimal, and its use for this specific condition should be considered traditional and not yet scientifically validated.