One common name for Arnica montana is "Leopard's Bane." This fragrant perennial herb can reach a height of one to two feet. This herb is grown and spread throughout the Balkan peninsula, Hungary, and Lithuania, but it is mostly found in Siberia, central Europe, and North America. Basically, this herb is a member of the sunflower family and grows on moist soil. This herb can be used as a culinary coloring, medicinal, or even cosmetic. In Europe, this herb has long been a popular addition to a wide range of puddings, drinks, dairy desserts, candies, etc. It is a popular herb in the homeopathic medical system and is the herb of choice when experiencing discomfort. Other names for this herb include mountain tobacco, wolf's bane, and mountain arnica. The yellow, hairy blossom is a useful component.

Classification

• Kingdom - Plantae
• Order - Asterales
• Family - Asteraceae
• Genus - Arnica
• Species - A. montana

Beneficial component 

The beneficial portion of this herb that is utilized medicinally is the flowers. They can be utilized in their fresh or dried form.

Chemical Composition

The components of this herb that are active are dihydrohelenalin and helenalin. This herb also contains fatty acids, flavanone glycosides, essential oils, thymol, pseudoguaia, sesquiterpene lactones, etc.

Properties of Arnica

This herb has a slight scent, astringent (Kashaya) properties, and a taste that is somewhat bitter (Tikta). Increasing immune system strength is advantageous.

Pharmacological Uses

• Anti-inflammatory - This herb may help to lessen swelling or inflammation. It is therefore very helpful for all inflammatory conditions.
• Analgesic - It lessens discomfort, particularly that which is associated with the musculoskeletal system.
• Antiseptic - Because of its antibacterial qualities, it can help in ulcer treatment and promote quicker healing.
• Relieves stiffness - It is applied topically to reduce stiffness and rigidity because of its anti-spasmodic properties on the human body.

Therapeutic Uses

• Bruises - A skin darkening brought on by an underlying blood vessel rupture. Local application of arnica to the skin over bruises is possible. As a result, arnica relieves bruises by sealing off broken blood vessels and allowing blood to be reabsorbed.
• Arthritis - Its analgesic qualities, as previously mentioned, make it advantageous for easing osteoarthritis pain. Because of its anti-inflammatory qualities, it is even beneficial for rheumatoid arthritis. It functions and is effective similarly to ibuprofen.
• Mouth problems - Arnica can be used to effectively treat any oral cavity-related issue. It is frequently used to treat ailments like oral ulcers, bleeding gums, inflammatory gums, and gum pain. Its antibacterial properties also make it helpful for problems that arise when wisdom teeth erupt. 
• Muscle pain or Sprain - It works well for sore muscles, ankle sprains, and myalgia and fibromyalgia.  For this reason, arnica has been utilized for pain relief for decades.
• Frozen shoulder - In the event of a frozen shoulder, topically applied application is advantageous for a mild massage. It eases stiffness and soreness.
• Aids wound healing - It aids in the simple and quick healing of chronic wounds, which is beneficial. Additionally, this herb has a lot of magnesium, a micronutrient that is critical for quick recovery. This herb therefore expedites the healing of wounds when combined with other herbs.
• Injuries - This herb aids in the healing of a variety of sports injuries as well as soft tissue ailments including ligament tears. This herb can easily handle any blows or hits.
• Additionally, this herb is used to cure acne, sunburns, and enhance circulation.

Modes of Use

This medication has both internal and exterior applications for localized use. Nonetheless, arnica comes in a variety of formulations, including pills, ointments, and topical gels. However, in practice, it's a commonly utilized medication to massage the affected area externally. Because this herb contains essential oils, it is also utilized in aromatherapy.

Other uses: It's also used to make a variety of cosmetics, oils, tonics for hair, shampoos, and even perfumes.

Special Precaution

This herb has some adverse effects. It has resulted in dysentery, diarrhea, and heart issues in certain people. Additionally, this plant interacts with medications that prevent blood clotting. Therefore, stay away from it when you have blood disorders, gastrointestinal issues, heart diseases, or are pregnant. Many nations have banned arnica because it is thought to be harmful and has been linked to several fatalities.

Numerous studies are still being conducted on this herb to see if it can help with conditions including diabetes, cancer, eye disorders, etc.