Auditory Processing Disorder (APD) is an abnormality in the brain's ability to filter and process sounds and words. Individuals with APD have a neurological defect in the pathways from the auditory (hearing) nerve through the higher auditory pathways in the brain.uditory Processing Disorder (APD) is an abnormality in the brain's ability to filter and process sounds and words. Individuals with APD have a neurological defect in the pathways from the auditory (hearing) nerve through the higher auditory pathways in the brain.
Diphenhydramine Citrate: 38 to 76 mg orally every 4 to 6 hours as needed. -Maximum dose: 456 mg/day. Diphenhydramine Hydrochloride: 25 to 50 mg orally every 4 to 6 hours as needed. -Maximum dose: 300 mg/day. Parenteral: 10 to 50 mg deep IM or IV as needed, and may increase to 100 mg if required. -Maximum dose: 400 mg/day.
Benadryl (Diphenhydramine) does not typically last 24 hours. It is a fairly short acting antihistamine lasting around 4â6 hours per dose. The maximum sedative effect of the drug occurs between 1â3 hours. While it does have a fairly short duration of action, it typically lasts longer in the elderly.