Generic Parlodel has not been approved for children under the age of 15. Elderly patients are more likely to suffer from uncontrolled body movements, confusion, or hallucinations. Drug interactions found in patients taking this medicine have been linked to phenylpropanolamine and isometheptene. Before choosing to buy Parlodel, discuss with a local physician if you have a medical history of diabetes, high blood pressure, metal problems, liver disease, or migraines. Inform a doctor or pharmacist if you are also taking medications for trouble sleeping, antihistamines, high blood pressure, St. John's Wort, HIV protease inhibitors, or seizure medications. Check all labels of over the counter medications for ingredients that can cause drowsiness.