Duolin Respules

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What Is Duolin Respules?

Duolin Respules is a fixed-dose combination of ipratropium and levosalbutamol manufactured by Cipla at WHO-GMP certified facilities. Internationally the same combination is sold as Combivent (DuoNeb).

How Does Duolin Respules Work?

• Ipratropium blocks M1, M2, and M3 muscarinic receptors on airway smooth muscle, neutralising parasympathetic tone — onset 15 min, duration 4–6 hours.
• Levosalbutamol (active R-isomer of salbutamol) activates β2 receptors, raising cyclic AMP and producing rapid bronchodilation — onset 1–5 min, duration 4–6 hours.
• Synergy: the two pathways act in parallel, giving deeper bronchodilation than either alone — particularly useful in COPD and acute severe asthma.

Toepassingen en Indicaties

• Acute COPD exacerbations — first-line bronchodilator alongside or instead of a SABA
• Acute severe asthma — added to high-dose SABA in moderate-to-severe attacks (paediatric and adult)
• Chronic COPD symptomatic relief — when LAMA is unavailable or short-acting cover is preferred
• Bronchospasm secondary to viral wheeze, bronchiolitis in young children (case-by-case)

Duolin Respules Dosage

How to Use Duolin Respules Properly

• Wash hands; assemble a clean dry nebuliser, cup, and mask or mouthpiece.
• Twist off the respule top; squeeze contents into the cup.
• Switch on the compressor — fine mist appears within seconds.
• Breathe normally with occasional deep breaths; ensure tight mask seal in children.
• Continue 5–10 minutes until the cup sputters.
• Discard any unused respule; rinse cup and mouthpiece, air-dry.
• Avoid mist near the eyes — risk of glaucoma.

Side Effects of Duolin Respules

• Dry mouth (anticholinergic)
• Throat irritation, cough
• Mild headache
• Mild tremor and palpitations (β2 effects from levosalbutamol)
• Bitter or metallic taste
• Eye irritation if mist contacts eyes

Minder vaak maar ernstig:

• Acute angle-closure glaucoma (avoid mist near eyes; use mouthpiece preferred over mask)
• Acute urinary retention in patients with prostatic obstruction
• Ernstige allergische reactie
• Paradoxale bronchospasmen

Waarschuwingen en voorzorgsmaatregelen

• Avoid mist near eyes — risk of acute glaucoma in predisposed patients (narrow anterior chamber, family history). Use mouthpiece rather than mask where possible.
• Prostatic obstruction: caution in older men; risk of urinary retention.
• Cardiovasculaire aandoeningen: caution with arrhythmias and severe coronary disease (β2 component)
• Zwangerschap: low-risk; uncontrolled asthma is more dangerous than the medication.
• Carry a SABA reliever for asthma rescue — ipratropium has slower onset.

Contra-indicaties

• Hypersensitivity to ipratropium, atropine derivatives, levosalbutamol, or excipients
• Severe lactose / milk-protein hypersensitivity (DPI)

Geneesmiddelinteracties

Opslag

• Bewaren beneden 25°C, protected from direct light.
• Keep respules in their original foil overwrap until immediately before use.
• Once a respule is opened, use immediately; discard any remainder.
• Do not refrigerate. Keep out of reach of children.

Gerelateerde alternatieven op MedsBase

• Asthalin Inhaler — salbutamol verlichter
• Budecort Inhaler — budesonide ICS-preventer
• Foracort Inhaler — budesonide + formoterol ICS-LABA
• Tiova Inhaler — tiotropium LAMA voor COPD
• Montair — montelukast LTRA-tablet

Veelgestelde vragen

Is Duolin the same as Combivent?

Combivent (Boehringer Ingelheim) contains ipratropium + albuterol (salbutamol). Duolin (Cipla) contains ipratropium + levosalbutamol — the active R-isomer. Clinically equivalent at half the levosalbutamol milligram dose, with potentially less tremor.

When is a SAMA + SABA combination used?

Most commonly in acute COPD exacerbations and moderate-to-severe acute asthma. In stable disease, the combination is sometimes used as an as-needed reliever, though modern guidelines favour ICS-formoterol SMART/MART for asthma.

How fast does Duolin work?

Levosalbutamol begins bronchodilation in 1–5 minutes; ipratropium adds in 15–30 minutes. Total combined duration 4–6 hours.

How often can I use Duolin?

Up to 4× daily routinely; back-to-back every 20 minutes ×3 in severe attacks under supervision.

Can children use Duolin?

Yes in age-appropriate strength under medical supervision. Often used in paediatric A&E for moderate-severe asthma attacks.

Is Duolin safe in pregnancy?

Both molecules have reassuring pregnancy data. Uncontrolled asthma is more dangerous than the combination.

Why dry mouth on Duolin?

Anticholinergic effect from ipratropium. Sips of water, gum, oral hygiene help.

Can I use Duolin Respules with budesonide?

Yes — co-nebulising Duolin with Budecort Respules in the same cup is common in moderate-to-severe acute attacks. Empty all respules into the cup; nebulise as one session.

Is Duolin a maintenance therapy?

It can be used regularly in COPD as 4× daily maintenance, though modern guidelines prefer once-daily LAMA (Tiova, Airz) ± LABA. For asthma, regular use of SABA-containing relievers is no longer recommended — switch to ICS-LABA.

Meer opties in Astma/COPD-behandeling

Gerangschikt op recente bestelvolumes van MedsBase — wat andere klanten in deze categorie kiezen.

Asthalin

US$2.00 – US$8.00Prijsbereik: US$2.00 tot US$8.00

Aerocort Inhaler

US$6.00 – US$14.00Prijsbereik: US$6.00 tot US$14.00

Asthalin Respules

US$10.90 – US$27.50Prijsbereik: US$10.90 tot US$27.50