Name Diphenhydramine Hydrochloride
Classes Central Nervous System Agent
Respiratory Agent
Antihistamine
Anxiolytic
Sedative and Hypnotic
Anti-Parkinson Agent
Diseases CNS Disorder
Itching
Runny Nose
Sleeping Disorder
Sneezing
Vomiting

Diphenhydramine Hydrochloride

Diphenhydramine hydrochloride is an antihistamine drug with anticholinesterase activity. 

Diphenhydramine hydrochloride is indicated for the treatment of followings:

  • Seasonal, perennial, vasomotor rhinitis
  • Insomnia
  • Urticaria
  • Pruritus
  • Prevention of emesis and motion sickness
  • Miscellaneous like Meniere's disease and Parkinsonism
 
  • Adults: The usual dose for allergic rhinitis is 25-50 mg per day. An additional of 50mg maybe taken at night.
  • Children:
    • 1-5 years old: 2.5 mL of elixir 4 times a day.
    • 6+ years old: 5 mL of elixir 4 times a day.

Commonly reported side effects include-

  • dizziness
  • tinnitus
  • asthenia/ fatigue
  • ataxia
  • blurred vision
  • diplopia
  • euphoria
  • epigastric discomfort

Before taking this medication, consult your doctor or pharmacist:

  • If you suffer from asthma, bronchitis, or COPD (Chronic Obstructive Pulmonary Disease), this book is for you (COPD)
  • If you're suffering from narrow-angle glaucoma (a form of raised pressure in the eye)
  • If you have a swollen prostate or urine incontinence,
  • If you have liver or renal disease that is moderate to severe,
  • If you suffer from myasthenia gravis, epilepsy, or seizures,
  • If you're having trouble sleeping, talk to your doctor or pharmacist.
  • If you take this medicine on a regular basis, it may become less effective.

Contraindication

Contraindicated in patients with known hypersensitivity to Diphenhydramine Hydrochloride.

There is no known contraindications of diphenhydramine in terms of food and drinks.

There is no known contraindications in terms of health condition.