Benadryl Original Oral Liquid (New Formula) (Diphenhydramine Hydrochloride And Ammonium Chloride)

Complete patient guide for uses, dosage, side effects, and safety information

Prescription Required

Quick Facts

Generic Name
Diphenhydramine hydrochloride and Ammonium chloride
Drug Class
Antihistamines and Expectorants
Used For
Relief of dry raspy coughs and common cold symptoms.
How Taken
Oral liquid, every 4 hours as necessary

What Is Benadryl Original Oral Liquid (New Formula) Used For?

Benadryl Original is an oral liquid medication designed to alleviate symptoms associated with colds, including coughs, sneezing, and runny nose.

Primary Uses

It is primarily used to relieve dry raspy coughs caused by colds.

How It Works

Diphenhydramine hydrochloride reduces cold symptoms by blocking histamine, while Ammonium chloride acts as an expectorant to help clear mucus.

Good to know: Benadryl Original is not considered addictive.

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How to Take Benadryl Original Oral Liquid (New Formula)

Follow the recommended dosage instructions carefully for effective relief.

Dosage Instructions

For children aged 6 to 12 years, the recommended dose is 5 mL every 4 hours as needed. For adults and children over 12 years, the dosage is also every 4 hours as necessary, not exceeding 6 doses in 24 hours.

What If You Miss a Dose?

If you forget to take a dose and it's almost time for your next one, skip the missed dose. If you remember before your next dose is due, take it as soon as you can, but do not double up on doses.

Important: Do not exceed the recommended dosage unless advised by your pharmacist or doctor.

Side Effects

Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.

Common Side Effects

These side effects occur relatively frequently and usually don’t require emergency care:

  • Fatigue
  • Drowsiness
  • Weakness
  • Dizziness
  • Nausea
  • Vomiting
  • Stomach discomfort
  • Constipation
  • Diarrhea
  • Increased appetite
  • Thicker phlegm
  • Dry mouth, nose, throat, or eyes

Seek immediate medical attention if you experience:

  • Blurred vision
  • Sensitivity to light
  • Ringing in the ears
  • Headache
  • Fast heart rate
  • Palpitations
  • Low blood pressure
  • Tightness in chest or throat
  • Tingling or numbness in hands and feet
  • Difficulty urinating
  • Confusion
  • Excitation
  • Insomnia
  • Nervousness, anxiety, or irritability
  • Impaired performance
  • Psychosis
  • Hallucinations
  • Muscle spasms
  • Movement disorders
  • Tremors
  • Seizures
  • Hives

Important Warnings

It's crucial to be aware of specific warnings before using this medication.

Who Should Not Take Benadryl Original Oral Liquid (New Formula)

Do not use if allergic to Diphenhydramine hydrochloride, Ammonium chloride, or any other ingredients. Not suitable for children under 6 years, those having an asthma attack, or individuals with certain medical conditions such as narrow-angle glaucoma, severe liver or kidney impairment, or prostate issues.

Medical Conditions to Discuss

Consult your doctor if you have breathing problems, liver or kidney disease, epilepsy, or glaucoma.

Pregnancy and Breastfeeding

Consult your doctor or pharmacist if you are pregnant or breastfeeding to discuss potential risks and benefits.

Elderly Patients With Dementia: Elderly patients may have an increased risk of side effects.

Drug Interactions

Certain medications may interact with Benadryl Original, affecting its efficacy.

  • Monoamine oxidase inhibitors (especially if taken within the last 14 days)
  • Tricyclic antidepressants
  • Sedatives and tranquilizers
  • Medications with strong anticholinergic effects
  • Opioid analgesics
  • Alcohol
  • Beta-blockers

Alcohol & Driving

Caution is advised when consuming alcohol or driving while taking this medication.

Alcohol

Avoid alcohol while using Benadryl Original, as it may enhance sedative effects.

Driving and Operating Machinery

Be cautious when driving or operating machinery until you know how this medication affects you, as it may cause dizziness.

Storage

Store Benadryl Original in its original packaging in a cool, dry place below 30°C, away from moisture and sunlight. Keep out of reach of children.

Overdose Information

If you suspect an overdose, seek immediate medical help. Contact the Poisons Information Centre at 13 11 26 or go to the nearest hospital emergency department.

Frequently Asked Questions

The onset of action can vary, but relief from symptoms typically occurs within a short period after taking the medication.

There are no specific restrictions regarding food; however, it's best to follow your healthcare provider's advice.

No, Benadryl Original is not considered addictive.

There are no known withdrawal symptoms associated with stopping this medication suddenly.

It is advised to avoid alcohol as it may increase the sedative effects of the medication.

Weight gain is not a common side effect of this medication.

Elderly patients should consult their doctor before use, as they may be at higher risk for side effects.

If you miss a dose, skip it and take your next dose at the scheduled time. Do not double up on doses.

Important Disclaimer

This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.

If you think you may have a medical emergency, call your doctor or emergency services immediately.

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