Calendula is a herb that is also known as marigold. It is a plant that is native to the Mediterranean region and it has been used in traditional medicine for centuries. The flowers of this herb are the part of the plant that is most commonly used in medicine. Calendula has anti-inflammatory, antiviral, and antibacterial properties, which makes it useful in treating a variety of skin conditions, such as eczema, acne, and rashes. It is also used to speed up wound healing and to reduce scarring. Calendula is also used to soothe sore throat, reduce menstrual cramps and as a gentle laxative.