Ventolin with antibiotics: interactions and safety
Antibiotic courses are common, short-term and often combined with chronic medications such as Ventolin (Albuterol (Salbutamol)). Most antibiotics do not interfere meaningfully with Albuterol at 100 mcg/puff, 2.5 mg/2.5 mL nebuliser, but a few classes do, and a small number of combinations are best avoided.
Common antibiotic interactions
Macrolides (clarithromycin, erythromycin) and certain antifungals can inhibit hepatic metabolism (CYP3A4) and raise plasma levels of many medications including some Respiratory Medications agents. Rifampicin has the opposite effect, accelerating metabolism. Most penicillins, cephalosporins, fluoroquinolones and tetracyclines have no clinically meaningful interaction with Albuterol at 100 mcg/puff, 2.5 mg/2.5 mL nebuliser.
Practical guidance
According to the prescribing information for Albuterol, an antibiotic course should be reviewed by the prescriber or pharmacist for known interactions before Ventolin is co-administered. Adjusted 100 mcg/puff, 2.5 mg/2.5 mL nebuliser dosing or temporary substitution is sometimes preferred for the duration of the antibiotic course.
Frequently asked questions
Can I take Ventolin during an antibiotic course? ▾
For most common antibiotics, yes. A few classes — notably macrolides and azole antifungals — alter how Albuterol is metabolised and may need a temporary 100 mcg/puff, 2.5 mg/2.5 mL nebuliser adjustment. The prescribing pharmacist should review any new antibiotic against the existing Ventolin regimen.
Will antibiotics make Ventolin stop working? ▾
Most antibiotics do not affect Ventolin efficacy. Rifampicin and a few others can lower Albuterol levels and reduce effect; in those cases the prescriber may adjust the dose during and shortly after the antibiotic course.
More on Ventolin
- With alcoholVentolin and alcohol — is it safe to drink?
- With foodShould Ventolin be taken with food?
- Side effectsVentolin side effects: common, rare and warning signs
- Dosage guideVentolin dosage guide: how much to take and when
- OnsetHow fast does Ventolin start working?
- DurationHow long does Ventolin last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.