Patient should not take this medicine if he/she has hypersensitivity to the plant, Pelargonium sidoides DC., or to any of the product's components. If the patient has a history of liver damage or liver disease, do not take this medicine since it has been associated with liver toxicity. The safety of this medicine during pregnancy and while breastfeeding has not been established, hence it is not to be taken when patient is pregnant or breastfeeding. This medicine is not allowed for use of children below 18 years old.