The efficacy of Lavandula stoechas product on motor symptoms of patients with Parkinson's disease treated with levodopa : A double-blind clinical trial

Idiopathic Parkinson's disease

Age range of 55 to 75 years

The onset age of the disease is less than 5 years

Stages one to three of Parkinson's disease

The lack of physical and mental ability to answer the questions

Alcohol and drug use

History of systemic physical diseases such as diabetes, heart and brain stroke, heart, respiratory and kidney failure and uncontrolled blood pressure

Occurrence of debilitating disease during treatment

Taking a new drug due to lack of response to levodopa treatment or intolerance to levodopa if the diagnosis is primary

Taking sedative drugs or drugs that interfere with lavender, such as antipsychotic drugs, monoamine oxidase inhibitors, benzodiazepines, tricyclic antidepressants, anticonvulsants, and barbiturates.