Vat Gajankush Ras is an Ayurvedic medicine in tablet form, used in the treatment of neuro-muscular diseases. 
This medicine contains heavy metal ingredients, hence should only be taken under strict medical supervision. 
This medicine is most commonly used in north Indian Ayurvedic practice.
Vat Gajankush Ras Uses: 
It is used in the Ayurvedic treatment of sciatica, paralysis, Brachialgia, spondylosis, arthritis, Torticollis, Thigh muscle stiffness and cramps.
Overall effect of this medicine is inducing heat. So, it is used in all cases of stiffness, as in Rheumatoid arthritis, cervical and lumbar spondylosis, frozen shoulder in diabetic patients etc
Vat Gajankush Ras dosage:
125 – 250 mg once or twice a day, before or after food or as directed by Ayurvedic doctor. 
It is advised along with long pepper, honey or decoction of Manjishta.
How long to use: It is administered for a period of one month.
Vat Gajankush Rasa side effects:
Self medication with this medicine may prove to be dangerous, since it contains heavy metal ingredient.
Take this medicine in precise dose and for limited period of time, as advised by doctor.
Over-dosage may cause sever poisonous effect.
It is best avoided in pregnancy, lactation and in children.
Keep out of reach and sight of children. Store in a dry cool place.
Vat Gajankush Ras ingredients, how to make:
10 g fine powder of each of
Shuddha Suta – Purified and processed Mercury
Loha Bhasma – Bhasma (Calx) of Iron
Makshika Bhasma – Bhasma (Calx) of Copper and Iron Pyrite
Shuddha Gandhaka – Purified and processed Sulphur
Shuddha Haratala – Purified Orpiment (Arsenis tri sulphide)
Pathya – Chebulic Myrobalan (fruit rind) – Terminalia chebula
Shrungi – Colocynth (dried pulp) – Citrulus colocynthis
Visha – Aconitum ferox
Maricha – Black pepper – Piper nigrum
Pippali – Long pepper – Piper longum
Shunti – Ginger (rhizome) – Zingiber officinalis
Agnimantha – Premna corymbosa / mucronata Root
Tankana Bhasma – Borax
Juice extract of Mundi – Sphaeranthus indicus – quantity sufficient for grinding for one day
Juice extract of Nirgundi – Vitex negundo – quantity sufficient for grinding for one day