Salbutamol

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    About this medicine

    Generic name Salbutamol
    Active ingredients Salbutamol (also called albuterol; commonly supplied as salbutamol sulfate)
    Brand names (as verified) Asthalin; Ventolin (brand availability varies by market)
    Dosage form Inhaler
    Strength Metered-dose inhalers commonly deliver about 100 micrograms per actuation; verify the exact device and strength.
    Prescription classification Prescription only (Schedule H / verified)
    Applies to IN; product status and availability may vary by jurisdiction

    Approved indications

    • A short-acting bronchodilator used for relief or prevention of wheezing, chest tightness and breathlessness caused by reversible airway narrowing, including asthma. Use should fit the patient’s prescribed asthma or COPD action plan.

    Contraindications (do not use if…)

    • Do not use after a serious hypersensitivity reaction to salbutamol or an ingredient in the inhaler. Additional device and formulation restrictions apply.

    Important precautions

    • Frequent need for reliever doses or poor symptom control may indicate worsening airway disease and requires medical review. Use the correct inhaler technique. Extra caution may be needed with heart disease, arrhythmias, hyperthyroidism or low potassium.

    Common side effects

    • Possible effects include tremor, nervousness, headache, muscle cramps and a fast heartbeat.

    Serious side effects — seek urgent medical care

    • Seek urgent care for worsening breathing immediately after inhalation, chest pain, fainting, severe palpitations or signs of a serious allergic reaction.

    Important interactions

    • Beta-blockers may reduce bronchodilator effect or trigger bronchospasm. Other stimulants, some antidepressants, diuretics and medicines affecting heart rhythm or potassium can require monitoring.

    Allergy considerations

    • Avoid after a serious reaction to salbutamol or any ingredient in the inhaler. Check device-specific ingredients if an allergy is known.

    Pregnancy and lactation

    Pregnancy safety Use with caution — see notes
    Notes
    • Asthma control during pregnancy is important. Do not stop a prescribed reliever without medical advice; discuss symptoms and inhaler use with the treating clinician.

    Information

    Lactation safety Use with caution — see notes
    Notes
    • Ask a clinician or pharmacist about product-specific use while breastfeeding, especially if high or repeated doses are needed.

    Children and older adults

    • Children should use an age-appropriate device and spacer if recommended. Confirm correct technique and obtain medical review for frequent reliever use.

    Storage

    • Keep the inhaler in its supplied packaging and follow device instructions on temperature, cleaning and expiry. Keep out of children’s reach and do not puncture or incinerate the canister.

    Missed dose

    • A reliever inhaler is generally used when directed by the treatment plan rather than as a routine missed-dose medicine. Follow the prescribed schedule if a scheduled regimen is used.

    Overdose

    • Excess use can cause marked tremor, rapid heartbeat, chest pain or low potassium. Seek urgent medical advice if excessive doses are used or symptoms occur.

    Based on 1 cited source. Sources last checked on 2026-10-28.

    This page is general information, not personal advice. Never change, start or stop any medicine without speaking to your doctor or pharmacist.

    References

    1. Medical Encyclopedia — Medical Encyclopedia source (Regulatory / approved product label (e.g. CDSCO))
    2. openFDA Drug Datasets — openFDA Drug Datasets source (Regulatory / approved product label (e.g. CDSCO))