The Vaitheeswaran Temple, also known as the Angarakan Temple, is a renowned Hindu temple located in the town of Vaitheeswaran Koil in Tamil Nadu, India. The temple is dedicated to Lord Shiva in his form as Vaitheeswaran, the God of Healing. It is believed to be one of the Navagraha temples, associated with the planet Mars (Angaraka or Mangal).
The history of the Vaitheeswaran Temple dates back several centuries. According to ancient scriptures and legends, the temple is said to have been built by the Chola kings during the 11th century. It is believed that Lord Rama, the protagonist of the Hindu epic Ramayana, prayed at this temple to seek a remedy for his ailment caused by the Brahma-hatya (killing of a Brahmin) dosha (curse). Lord Shiva granted him relief from the curse and blessed him with good health. Since then, the temple has been revered as a powerful place of healing.
The temple complex is adorned with beautiful architecture and intricate sculptures. It consists of several shrines dedicated to various deities, including Lord Shiva, his consort Goddess Parvati, Lord Murugan, and Lord Dhanvantari (the God of Medicine). The main sanctum sanctorum houses the idol of Lord Vaitheeswaran, portrayed as a lingam, along with a representation of the planet Mars.
Devotees flock to the Vaitheeswaran Temple seeking solace and healing for various ailments, both physical and mental. It is believed that praying at this temple can alleviate diseases, ward off evil influences, and bring about overall well-being. The temple is particularly renowned for its therapeutic properties related to skin diseases and mental disorders.

The temple also houses a sacred tank called Siddhamirtham, where devotees take ritual baths with the belief that it can cure their ailments. The water from this tank is considered to have medicinal properties.
The annual festival of the Vaitheeswaran Temple, known as the Brahmotsavam, is celebrated with great fervor and attracts a large number of devotees. During this festival, the deity is taken out in a grand procession and various rituals and cultural performances are held.
The Vaitheeswaran Temple stands as a symbol of faith, healing, and spiritual solace. It continues to draw devotees from all walks of life who seek divine intervention and blessings for their well-being and the resolution of their health-related issues. The temple’s rich history, architectural beauty, and spiritual significance make it a cherished place of worship and an important landmark in the religious landscape of Tamil Nadu.