DBL Promethazine Hydrochloride (Promethazine Hydrochloride)

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

Prescription Required

Quick Facts

Generic Name
promethazine hydrochloride
Drug Class
antihistamines (phenothiazines)
Used For
treating allergic reactions, nausea, vomiting, dizziness, and as a sedative
How Taken
administered by injection, dosage determined by a healthcare professional

What Is DBL Promethazine Hydrochloride Used For?

DBL Promethazine Hydrochloride Injection BP is used to manage various conditions related to allergies and nausea, as well as to provide sedation.

Primary Uses

It is primarily used for allergic reactions, nausea, vomiting, dizziness, and as a sedative before and after surgery.

How It Works

This medication works by blocking the effects of histamine in the body.

Good to know: This medication is not addictive.

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How to Take DBL Promethazine Hydrochloride

DBL Promethazine Hydrochloride is administered by a healthcare professional, ensuring proper dosage and monitoring.

Dosage Instructions

The dosage is determined by your doctor based on your condition and factors such as weight.

What If You Miss a Dose?

As this medication is administered by a healthcare professional, missed doses are managed by them.

Important: Never attempt to self-administer or adjust your dosage.

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:

  • dry mouth
  • nose or throat irritation
  • injection site reaction
  • nausea and vomiting
  • constipation or diarrhea
  • loss of appetite
  • unusual tiredness or weakness
  • clumsiness or unsteadiness
  • difficulty sleeping
  • increased sensitivity of the skin to the sun
  • skin itch

Seek immediate medical attention if you experience:

  • sore throat and fever
  • blurred vision
  • difficult or painful urination
  • fast or slow heartbeat
  • severe drowsiness
  • confusion
  • tremors or convulsions
  • muscle spasms in the neck and back
  • jerky movements of the head and face
  • shuffling walk
  • trembling and shaking of hands
  • ringing or buzzing in ears
  • unusual excitement, nervousness, restlessness, or irritability
  • hallucinations
  • trouble breathing
  • flushing or redness of face
  • allergic reaction symptoms
  • severe stomach pain with bloating, cramps, and vomiting
  • unusual bleeding or bruising
  • yellowing of the skin or eyes

Important Warnings

There are several important warnings to consider before taking this medication.

Who Should Not Take DBL Promethazine Hydrochloride

Do not use this medication if you have had an allergic reaction to promethazine hydrochloride or other phenothiazine derivatives.

Medical Conditions to Discuss

Inform your doctor if you have asthma, liver problems, heart conditions, or if you are taking other medications.

Pregnancy and Breastfeeding

Consult your doctor if you are pregnant or breastfeeding, as this medication may affect your baby.

Elderly Patients With Dementia: Caution is advised when prescribing this medication to elderly patients, particularly those with dementia.

Drug Interactions

Certain medications may interact with DBL Promethazine Hydrochloride, affecting its efficacy.

  • anticholinergic medicines
  • anticonvulsants
  • beta blockers
  • bromocriptine
  • sedatives and tranquilizers
  • levodopa
  • metrizamide
  • depression medications
  • other phenothiazine derivatives
  • quinidine
  • cold and flu medications
  • appetite suppressants

Alcohol & Driving

Caution is advised regarding alcohol consumption and operating vehicles or machinery while on this medication.

Alcohol

Alcohol may enhance drowsiness and dizziness caused by this medication.

Driving and Operating Machinery

Do not drive or operate machinery until you know how this medication affects you.

Storage

Store DBL Promethazine Hydrochloride in a cool, dry place away from light, at temperatures below 25°C.

Overdose Information

In the unlikely event of an overdose, seek immediate medical attention. Symptoms may include severe side effects.

Frequently Asked Questions

The onset of action can vary; consult your healthcare provider for specific information.

Consult your doctor or pharmacist for guidance on food interactions.

No, this medication is not considered addictive.

Consult your doctor before stopping any medication to avoid withdrawal symptoms.

Alcohol should be consumed with caution as it may increase drowsiness.

Weight gain is not commonly reported; however, consult your doctor for personalized advice.

Elderly patients should use this medication with caution, especially those with dementia.

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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