Leg ulcers and other flesh wounds often become infected and develop into a bacterial infection called cellulitis. Infected ulcers can spread throughout your system, sometimes leading to serious disease and complications. Various herbs may alleviate the condition and resolve symptoms; however, herbs can also cause side effects. Consult your health care practitioner before using unfamiliar herbs on bacterial infections.
Calendula Officinalis
Calendula officinalis, or calendula, comes from marigolds and purportedly treats a vast variety of skin conditions, including wounds and leg ulcers. Yale University notes that calendula increases the production of collagen, enhancing healing of the skin and underlying tissues. Calendula is available in creams, ointments, standardized extracts and herbal tinctures for use in topical applications. You can also take it internally as a homeopathic remedy, which also supports healing of skin wounds, especially those with supperation, or pus. The extract and tincture are often in an alcohol base and should be diluted with water before use. Calendula is considered safe when used according to directions; however, it may cause a rash in some sensitive individuals. If you develop a rash, stop using it and contact your health practitioner.
Chamomile
Chamomile has been used for centuries for its medicinal properties and is still used for a wide variety of illnesses and conditions, including the relief of skin inflammation and infection. The flowers can be made into an ointment or wash and applied to wounds. Clinical evidence indicates that the essential oils in chamomile can produce significant relief for skin infections, burns and leg ulcers, according to Yale University. Do not use chamomile if you are allergic to any members of the daisy family or suffer from hay fever or asthma.
Tea Tree Oil
Tea tree oil is found in the Australian tea tree and has a wide range of use for many skin ailments, including infections from leg ulcers. It is reputed to be effective against bacteria, fungus and viral infections, according to The Linus Pauling Institute. Its active ingredients are terpene alcohols, which have germicidal components but may also cause dermatitis and allergic reactions in some people. A patch skin test should be performed before using tea tree oil topically. In clinical tests, the antimicrobial activity of tea tree oil proved to be effective against methicillin and mupirocin resistant Staphylococcus aureus, or MRSA, which often is the cause of leg ulcers and other forms of cellulitis, notes the University of Maryland Medical Center.
Echinacea
Echinacea is a commonly used remedy for the treatment of infection both internally and externally, according to Vanderbilt University. It possesses antibacterial, antifungal and antiviral properties, making it a valuable herbal treatment for a wide range of skin problems. Echinacea is available as a topical ointment or a standardized extract, which can be diluted with water and applied to skin infections like leg ulcers, open wounds and cellulitis. Not all echinacea products are equal, with some being far less potent than others. It is important to buy from a reputable seller who has high turnover to ensure you receive fresh, potent herbal products. Topical applications of echinacea are generally safe when used according to directions. Consult your health practitioner for dosing guidelines.
References
- Yale University: Alternative Medicine and Natural Therapy
- Wilkes University; Medical Attributes of Matricaria Chamomilla: Chamomile; Ted Jackson; July 2001
- The Linus Pauling Institute; Tea Trees and Their Therapeutic Properties; Anitra C. Carr, Ph.D.
- Vanderbilt University Psychology Department; Health Psychology Home Page; Echinacea a Common Remedy; Amber Dixon; November 2005
- University of Maryland Medical Center: Echinacea



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