How does salbutamol work?
Salbutamol stimulates beta-2 receptors in the lungs, causing the airway muscles to relax and widen. This helps relieve wheezing, breathlessness, and chest tightness.
What is salbutamol used to treat?
Salbutamol is commonly prescribed for:
- Asthma (to relieve sudden symptoms or prevent attacks before exercise)
- Chronic obstructive pulmonary disease (COPD)
- Bronchospasm caused by other lung conditions
Who can take salbutamol?
Salbutamol is suitable for most adults and children with asthma or COPD, as prescribed by a doctor.
Who might not be able to take salbutamol?
Salbutamol may not be suitable if you:
- Have heart disease or high blood pressure
- Have an overactive thyroid (hyperthyroidism)
- Have low potassium levels (hypokalaemia)
- Are taking other stimulant medications
Can I take salbutamol if I’m pregnant or breastfeeding?
Salbutamol is usually safe during pregnancy and breastfeeding, but always check with your doctor before use.
What if I miss a dose?
Salbutamol is usually taken as needed for symptoms. If you use it regularly and miss a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed one—do not take two doses at once.
How effective is salbutamol?
Salbutamol is highly effective at relieving breathing difficulties, usually working within a few minutes.
What should I do if I take too much?
Taking too much salbutamol can cause rapid heartbeat, shakiness, or dizziness. If you experience severe symptoms, seek medical help immediately.
What dose of salbutamol is usually taken?
- For asthma relief: 1 or 2 puffs from an inhaler as needed
- For prevention before exercise: 2 puffs 15 minutes before activity
- For nebulisers: 2.5mg to 5mg up to four times daily
Your doctor will determine the correct dose based on your condition.
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What are the side effects of salbutamol?
Common side effects include:
- Shakiness or tremors
- Increased heart rate
- Headache
- Mild throat irritation
Serious side effects, such as chest pain or severe wheezing after use, require urgent medical attention.
How should I take salbutamol?
Salbutamol is taken using an inhaler, nebuliser, or tablets. If using an inhaler, follow the correct technique for best results.
When should salbutamol be taken?
Salbutamol should be taken when needed for symptom relief or before exercise if prescribed for prevention.
What are the brand names for salbutamol?
Salbutamol is available as a generic medicine, but some branded versions include:
- Ventolin
- Airomir
- Salamol
Final thoughts
Salbutamol is an effective and fast-acting reliever inhaler for asthma and COPD. To get the best results, use it as prescribed, and if you need it frequently, speak to your doctor about a long-term treatment plan.
