Consult Healthcare Provider: Before changing your father's medication dosage, consult his healthcare provider. This is crucial for safe and effective treatment.

Medication Dosage: Donep-M combines donepezil and memantine, which require careful dosing due to their effects on brain function.

Safety Concerns: Increasing the dose without medical advice can lead to side effects like nausea or dizziness.

Professional Guidance: Only a doctor familiar with your father's health history can determine if a full tablet is appropriate. Discuss this with his neurologist or primary care physician.