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Proventil HFA 90mcg Inhaler
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Indications & Clinical Uses
- Proventil HFA is a metered-dose inhaler containing albuterol sulfate (also called salbutamol), a short-acting beta2-agonist bronchodilator that relaxes the muscles around the airways.
- Each actuation delivers 90 mcg of albuterol base.
- It is approved in the United States for adults and children 4 years of age and older, for the treatment or prevention of bronchospasm in people with reversible obstructive airway disease such as asthma, and for the prevention of exercise-induced bronchospasm.
- Outside the US, albuterol is often marketed as salbutamol, for example as Ventolin.
- Proventil HFA is a rescue inhaler for quick relief of symptoms, not a daily controller medicine for long-term asthma control, and it is self-administered by the patient or carer using the handheld inhaler device.
Side Effects
- Common side effects of Proventil HFA (albuterol sulfate) include tremor, nervousness, headache, fast or pounding heartbeat, and upper respiratory tract infection or a runny nose, affecting up to around 1 in 5 people in trials; nausea and vomiting are also reported.
- Proventil HFA carries no boxed warning.
- Seek urgent medical attention if breathing gets suddenly worse right after using the inhaler (paradoxical bronchospasm), or for chest pain, a very fast or irregular heartbeat, or fainting.
- Very rarely, serious allergic reactions with swelling of the face, lips or throat, hives or difficulty breathing can occur.
- If your usual dose stops working as well as before, or you need it more often than prescribed, contact your healthcare provider, since this can signal worsening asthma control.
Precautions & Warnings
- Proventil HFA is for oral inhalation only and must never be swallowed or injected.
- Use it with caution if you have heart disease, high blood pressure, an overactive thyroid, seizures, or diabetes, since albuterol can raise heart rate and blood sugar and lower blood potassium, particularly with high or frequent doses.
- Prime the inhaler with four test sprays before first use and after it has not been used for 2 weeks or more, and shake well before each use.
- If bronchospasm increases or symptoms worsen after use, stop and seek medical advice promptly rather than increasing the dose on your own.
- Proventil HFA can be used in pregnancy and breastfeeding if clearly needed, under medical guidance.
- It is approved for children from age 4; safety and dosing below that age are not established.
- Store the canister between 15°C and 25°C, mouthpiece down, away from heat and open flame, since the canister may burst if exposed to temperatures above about 49°C.
Avoid Interactions
- Beta-blocker medicines, including eye drops used for glaucoma, can both block the effect of Proventil HFA and trigger severe bronchospasm in people with asthma, so beta-blockers are usually avoided unless there is no safer alternative.
- Other short-acting beta-agonist bronchodilators should not be used at the same time as Proventil HFA, as effects and side effects such as tremor and fast heartbeat may add up.
- Non-potassium-sparing diuretics can worsen the low potassium levels and ECG changes that albuterol may cause, so these are used together with caution and monitoring.
- Albuterol can lower blood levels of digoxin.
- Monoamine oxidase inhibitors and tricyclic antidepressants, taken currently or within the past 2 weeks, may increase albuterol's effects on the heart and blood vessels.
- Tell your healthcare provider and pharmacist about every medicine you use, including other inhalers and over-the-counter cold remedies.
References
Frequently Asked Questions
Proventil HFA (albuterol sulfate) is a rescue inhaler that relieves and prevents bronchospasm in asthma and other reversible airway disease, and prevents exercise-induced bronchospasm. It is approved for adults and children aged 4 and over, delivering 90 mcg of albuterol per puff.
Shake the inhaler and take two inhalations every 4 to 6 hours as needed for symptoms, or two puffs 15 to 30 minutes before exercise. Prime it with four test sprays before first use and after 2 weeks of not using it.
Common Proventil HFA side effects are tremor, nervousness, headache, fast heartbeat and upper respiratory infection. Get urgent help if your breathing suddenly worsens after using it, or if you get chest pain, a very fast or irregular heartbeat, or fainting.
Avoid beta-blocker medicines, including some glaucoma eye drops, since they can block Proventil HFA's effect and trigger severe bronchospasm. Other short-acting bronchodilators, MAOIs and tricyclic antidepressants can add to heart-related side effects, so tell your prescriber about all your medicines.
Store the Proventil HFA canister between 15°C and 25°C with the mouthpiece pointing down, away from heat, flame and temperatures above about 49°C, which can cause it to burst. Each canister delivers 200 inhalations; track your remaining doses.
Proventil HFA is approved for children aged 4 and older at the same 90 mcg dose used in adults; it is not established for younger children. It can be used in pregnancy or while breastfeeding if your healthcare provider judges it clearly needed, since untreated asthma also carries risks to mother and baby.
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