Krimi Kutar Ras is an Ayurvedic medicine used for the treatment of intestinal worms and parasitic infections. It is made from a combination of various herbs and minerals, including Vatsanabha (Aconitum ferox), Pippali (Piper longum), Shuddha Gandhak (Purified Sulphur), and Tankana Bhasma (Borax).

However, it is essential to note that the use of Krimi Kutar Ras should be done under the guidance of a qualified Ayurvedic practitioner. Overdose or incorrect usage can cause adverse effects like stomach upset, vomiting, and diarrhea. It is also not recommended for pregnant and lactating women and child.