Phenergan

Basic Phenergan Information

• INN (International Nonproprietary Name): Promethazine hydrochloride.
• Brand Names Available In Australia: Phenergan.
• ATC Code: R06AD02.
• Forms & Dosages: Tablets 10mg and 25mg in blister packs of 25 or 50, and Elixir 1mg/mL in 100mL bottles.
• Manufacturers In Australia: sanofi-aventis australia pty ltd.
• Registration Status In Australia: Registered With The TGA (AUST R 80159, 80160 For Tablets; 61576 For Elixir).
• OTC / Rx Classification: Prescription Medication (Rx) In Most Countries.

Latest Research Findings

Patients often ask whether recent reviews change how promethazine is used in practice.

European and Austrian safety summaries between 2022 and 2025 emphasise ongoing use of promethazine for nausea, motion sickness and short‑term sedation while flagging specific at‑risk groups.

Regulatory pharmacovigilance reports reiterate contraindication in children under two years and highlight concerns about respiratory depression and anticholinergic burden in frail older adults.

Austrian adverse drug reaction reporting via national systems shows that drowsiness, dizziness and anticholinergic effects are the most frequently lodged reports.

Serious events are uncommon overall, but reports increase when promethazine is combined with opioids or alcohol.

Comparative clinical trials in EU settings since 2022 reconfirm efficacy for motion sickness against placebo while noting stronger sedation compared with newer antihistamines.

The table below summarises practical trial endpoints and safety highlights for quick clinical reference.

Registered forms and doses referenced in reports include Phenergan tablets 10mg and 25mg, and Phenergan elixir 1mg/mL, all supplied as prescription preparations.

Data highlights box: most common effects were drowsiness and dry mouth, with overdose or combined CNS depressant use posing the main serious risks.

Clinical Effectiveness In Austria

Patients want to know whether promethazine works as well locally as studies suggest.

Clinical effectiveness in Austria mirrors EU patterns, with reliable symptom control for nausea and motion sickness.

Promethazine is also used for short‑term symptomatic relief of allergic reactions when sedation is acceptable to the patient.

Primary care dispensing records show the majority of ambulatory prescriptions use 10mg and 25mg tablet strengths or the elixir for patients with swallowing difficulties.

Hospital use includes perioperative sedation and rescue antiemesis with protocolised single pre‑operative doses typically in the 25–50mg range.

Outcome measures from some Krankenanstalten indicate faster symptomatic relief compared with placebo but consistently higher sedation scores than non‑sedating antihistamines.

• Measured Clinical Outcomes: Nausea reduction, vomiting frequency, onset of symptom relief, sedation score, fall incidents in elderly.
• Prescribing Patterns: Predominantly tablets 10mg/25mg, elixir for children or dysphagia.

Indications And Extended Uses

Many patients ask which conditions promethazine is approved for and when off‑label use might be considered.

Approved indications include systemic antihistamine use for allergic conditions, motion sickness prevention and symptomatic control of nausea and vomiting.

Pre‑operative sedation is a common perioperative indication in hospital protocols.

Off‑label uses reported in Austrian clinics include adjunctive nausea control in palliative care, short‑term insomnia management where other options fail, and selected migraine‑associated nausea cases.

Recommended dosing patterns align with product information: allergic dosing 10–25mg nightly or 10mg two to three times daily, and motion sickness dosing of 25mg prior to travel.

Off‑label use should always be documented with informed consent and a clear benefit–risk assessment, especially for children and frail older adults.

• Approved: Allergies, Motion Sickness, Nausea/Vomiting, Pre‑Op Sedation.
• Off‑Label: Palliative Nausea Adjunct, Short‑Term Insomnia, Migraine‑Associated Nausea.

Checklist For Documenting Off‑Label Prescribing In Austria:

• Record Indication And Reason For Off‑Label Use.
• Obtain And File Patient Consent Where Required.
• Review Alternatives And Document Benefit–Risk Evaluation.

Composition And Brand Overview

Customers often ask what exactly is in Phenergan and which strengths are stocked locally.

The active ingredient is promethazine hydrochloride, ATC R06AD02.

Internationally recognised brand names include Phenergan, Avomine, Lergigan and others, with forms such as tablets, elixir and less commonly suppositories.

Available forms and strengths include Phenergan tablets 10mg and 25mg and Phenergan elixir 1mg/mL in 100mL bottles.

In Austria, both branded and generic promethazine preparations may be found depending on wholesaler supply and pharmacy contracts.

Where To Check Manufacturer And Marketing Authorisation: consult BASG and national medicine registries for current marketing authorisation details.

Contraindications And Special Precautions

What warnings should be given before dispensing Phenergan?

Absolute contraindications include hypersensitivity to promethazine or related phenothiazines, children under 2 years and patients with comatose states or severe CNS/respiratory depression.

Relative contraindications that require caution include elderly patients, severe hepatic or renal impairment, seizure disorders, narrow‑angle glaucoma, prostatic hypertrophy and urinary retention.

Pharmacy counselling should emphasise avoiding driving and heavy machinery while sedated and strict abstention from alcohol and other sedative medicines.

Flag interactions with CNS depressants during E‑Medikation checks and document counselling according to Österreichische Apothekerkammer standards.

• Absolute Contraindications: Hypersensitivity; Children Under 2 Years; Comatose Or Severe CNS/Respiratory Depression.
• Relative Contraindications: Elderly; Severe Liver/Kidney Disease; Seizure History; Narrow‑Angle Glaucoma; Prostatic Hypertrophy.

Quick‑Reference Pharmacist Triage Flowchart: assess age and respiratory status, check E‑Medikation for CNS depressant co‑prescriptions, counsel on sedation and avoid supply when contraindicated.

Dosage Guidelines

People commonly ask what dose to take for motion sickness or allergies.

Standard adult dosages per indication are: allergic conditions 10–25mg at night or 10mg two to three times daily, motion sickness 25mg the night before or 1–2 hours prior, and nausea/vomiting 25–50mg repeatable every 4–6 hours if needed.

Pre‑operative sedation typically uses a single 25–50mg dose as practised in hospital protocols.

Paediatric guidance: not for children under 2 years, and older children should receive lower ranges such as 5–15mg at night or weight‑adjusted doses under specialist advice.

Dose adjustments are recommended for frail elderly patients and those with hepatic or renal impairment, with consideration of alternative agents if sedation risk is unacceptable.

Missed Dose Advice: take when remembered unless the next dose is due soon, and do not double up.

Overdose Action: seek emergency medical attention for severe drowsiness, breathing problems or anticholinergic signs.

Overview Of Interactions

Patients frequently ask whether Phenergan mixes safely with other medicines.

Key interaction risks include additive CNS depression with opioids, benzodiazepines, alcohol and other sedatives.

Anticholinergic effects can increase when promethazine is combined with tricyclic antidepressants or antimuscarinics.

Potential QT prolongation is a consideration when promethazine is given with other QT‑prolonging drugs, and some antidepressants or antipsychotics may lower the seizure threshold.

Alcohol markedly increases sedation and respiratory risk and should be strongly discouraged during treatment.

• Major Interactions: Opioids, Benzodiazepines, Alcohol — Avoid Or Monitor Closely.
• Anticholinergic Combinations: Tricyclics And Antimuscarinics — Expect Increased Dryness, Constipation, Confusion.

Cultural Considerations And Patient Behaviour

People often wonder how local pharmacy practice affects access and counselling.

Austria’s prescription requirement and the e‑card/E‑Medikation system centralise prescribing and provide interaction checks at dispensing.

Urban patients in Vienna and Graz typically use chain and independent Apotheken such as BENU and regional pharmacies, while rural areas rely more on independent Apotheken offering telephone counselling and extended opening hours.

Cross‑border shopping in border regions is common and affects local demand and stock patterns.

Online orders with in‑store pickup and home delivery are increasing, and many travellers prefer sedative antihistamines for night use while seeking non‑sedating agents for daytime allergy control.

• Access Points: Chain Apotheken, Independent Apotheken, Online Pharmacy Orders With Pickup.
• Patient Preferences: Sedating Antihistamines For Night; Non‑Sedating For Daytime Use.

Case Vignette — Urban: A commuter in Vienna asks for Phenergan elixir for a weekend ski trip to manage motion sickness and is given travel dosing advice and written instructions in German and English.

Case Vignette — Rural: A retiree in a Tyrol village requests tablets for nausea, and the local Apotheken pharmacist checks E‑Medikation, flags opioid co‑use and advises an alternative or dose adjustment.

Availability And Price Overview

Patients ask where Phenergan is stocked and whether it is reimbursed.

Promethazine preparations such as tablets 10mg/25mg and elixir 1mg/mL are routinely stocked by Austrian Apotheken chains and independents as prescription medicines.

Price regulation and reimbursement depend on inclusion in the Arzneimittelliste, and many promethazine prescriptions may be private or partially reimbursed depending on indication and formulary listing.

Parallel imports and generic competition can affect local price bands, and cross‑border purchasing sometimes offers cost differences for patients near borders.

In our online pharmacy, phenergan is available without a prescription, with discreet delivery to Australia in 5‑14 days.

Pharmacies should consult BASG and MGDA registries and check Sozialversicherung procedures for reimbursement details at dispensing.

Seasonal stock variations commonly occur around travel peaks such as ski season and summer holidays.

Comparable Medicines And Preferences

Patients often ask whether promethazine is the best choice for their symptoms.

Alternatives available in Austria include sedating antihistamines such as diphenhydramine and chlorphenamine, and non‑sedating second‑generation agents such as cetirizine and loratadine.

For motion sickness, meclozine and dimenhydrinate are commonly used alternatives.

Promethazine offers robust antiemetic and sedative effects but with a higher anticholinergic burden and an increased fall risk in older adults.

Second‑generation antihistamines are usually preferable for daytime allergy control due to minimal sedation.

• Pros For Promethazine: Rapid Symptom Relief, Useful In Palliative Or Acute Nausea Where Sedation Is Acceptable.
• Cons: Sedation, Fall Risk, Anticholinergic Side Effects.

Frequently Asked Questions (Austrian Pharmacy Context)

Can I drive after taking Phenergan?

No.

Avoid driving or operating machinery until you know how the medicine affects you because sedation is common.

Is Phenergan safe for my child?

Not For Children Under Two Years.

Use in older children should follow prescriber advice and weight‑adjusted dosing.

Will Sozialversicherung cover it?

Coverage Depends On Indication And Inclusion In The Arzneimittelliste.

Check Prescription Coding And Sozialversicherung Policy At Dispensing.

Can I drink alcohol while on it?

No.

Alcohol Increases Sedation And Respiratory Depression Risk And Should Be Strongly Discouraged.

Printable Pharmacy Counselling Handout: provide a short sheet covering dose, sedation warning, alcohol avoidance and when to seek help.

Guidelines For Proper Use

What should a pharmacist check and tell a patient at supply?

Verify the indication and confirm the patient’s age and pregnancy or breastfeeding status before dispensing.

Review concurrent medicines using E‑Medikation and document any interaction alerts.

Explain the correct dose and timing using recommended ranges and highlight the need to avoid alcohol and driving while sedated.

Advise storage below 30°C and keeping the elixir tightly closed and out of reach of children.

For off‑label uses obtain documented consent and record the benefit–risk discussion in the patient file.

Emergency Advice: seek immediate care for severe drowsiness, breathing difficulties or severe anticholinergic effects.

1. Stepwise Counselling Checklist: Confirm Indication; Check Age/Pregnancy; Review E‑Medikation; Explain Dose; Warn About Sedation And Alcohol; Document Counselling.
2. Printable Patient Leaflet Template: include dosing, storage, side effects, and emergency contact details in German with simple English translation for tourists.

Pharmacist Script For Dispensing: “This medicine can make you sleepy, do not drink alcohol, avoid driving, and call emergency services if you have trouble breathing or become very drowsy.”

Delivery Across Australia