Revital is a multi-ingredient product, which is not a prescription medicine but advertised in the lay media and sold over-the-counter (OTC). This product has not been evaluated by the Drugs Controller General, India (DCGI) for its safety and efficacy. It also contains ginseng with a high incidence of side effects such as diarrhoea, skin eruptions, nervousness, sleeping disorders, high blood pressure, euphoria and water retention (oedema). When a person stops taking ginseng, it causes weakness, low BP and even tremors (since it can cause dependence). It has some properties resembling female hormones and can also cause Stevens-Johnson syndrome, a serious disorder.