Before taking aripiprazole, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as propylene glycol), which can cause allergic reactions or other problems. Talk to your pharmacist for more details. There may be a slightly increased risk of serious, possibly fatal side effects (such as stroke, heart failure, fast/irregular heartbeat, pneumonia) when this medication is used by older adults with dementia. This medication is not approved for the treatment of dementia-related behavior problems. Discuss the risks and benefits of this medication, as well as other effective and possibly safer treatments for dementia-related behavior problems, with the doctor. Before using this medication, tell your doctor or pharmacist your medical history, especially of problems with blood flow in the brain (such as cerebrovascular disease, stroke), diabetes(including family history), heart problems (such as low blood pressure, coronary artery disease, heart failure, irregular heartbeat), nervous system problems (such as dementia, NMS, seizures), obesity, low white blood cell count (including history of low white blood cell count caused by medications), swallowing problems, breathing trouble during sleep (sleep apnea). This medication passes into breast milk. Breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding. Alcohol. anti-anxiety medications (e.g., lorazepam, diazepam) antihistamines (e.g., diphenhydramine, doxylamine, hydroxyzine) antipsychotic medictions (e.g., chlorpromazine, haloperidol, olanzepine, quetiapine, risperidone) narcotics (e.g., codeine, morphine, oxycodone).