Prescription medication · Inhaled Corticosteroid
beclomethasone
Also sold as Qvar. Qvar Redihaler is used to treat asthma and prevent asthma attacks in adults and children 4 years and older.
Data updated 2026-05-15
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- InteractionsFew interactions
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beclomethasone (Qvar) is a prescription Inhaled Corticosteroid. Qvar Redihaler is used to treat asthma and prevent asthma attacks in adults and children 4 years and older.
Qvar Redihaler is an inhaled medicine that helps control asthma symptoms. It contains a corticosteroid to reduce swelling in your lungs.
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What it does
Qvar Redihaler is used to treat asthma and prevent asthma attacks in adults and children 4 years and older.
Common side effects
Mouth infection (oral candidiasis), Upper respiratory infection, Runny nose and sore throat (nasopharyngitis)
Key warnings
Qvar Redihaler should not be used if you are having a severe asthma attack.
The sections below are summarized in plain English from beclomethasone's FDA-approved prescribing information. They describe what the official label says, and are not personal medical advice.
How It Works
Qvar Redihaler contains beclomethasone, a type of corticosteroid. Corticosteroids reduce inflammation in the airways. This makes it easier to breathe and helps prevent asthma symptoms.
Serious Warnings
Qvar Redihaler should not be used if you are having a severe asthma attack. It will not help you breathe right away. If your asthma gets worse, contact your doctor right away. Some people may have allergic reactions or weakened immune systems.
Known Drug Interactions
Alternative corticosteroids including beclomethasone, prednisone and prednisolone (for which PK and/or PD are less affected by strong CYP3A inhibitors relative to other steroids) should be considered, particularly for long term use.
Mechanism: Darunavir can slow down how your body gets rid of beclomethasone, though this effect is smaller than with other similar steroids.
Alternative corticosteroids including beclomethasone, prednisone, and prednisolone should be considered.
Mechanism: Ritonavir can cause problems with many steroids, but beclomethasone is suggested as a safer alternative that is less likely to be affected.
This is a plain-language summary of FDA-label interaction records and does not provide individual medication-combination directions.
Common Questions
How do I know when my inhaler is empty?
Do I need to shake the inhaler before using it?
Can I use a spacer with Qvar Redihaler?
What should I do if I get a mouth infection?
Can Qvar Redihaler cause problems with my bones?
Can Qvar Redihaler affect my vision?
What is the dose for children?
What is the dose for adults?
What happens if I use too much Qvar Redihaler?
When should I call my doctor?
What are the common side effects of beclomethasone?
Does beclomethasone interact with other medications?
What drug class is beclomethasone?
What pregnancy or breastfeeding source fields are listed for beclomethasone?
Related Medications in Inhaled Corticosteroid
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Medication Guides
Understanding Drug Interactions
How CYP450 enzymes, inhibitors, and inducers affect your medications
Generic vs Brand Name Drugs
FDA requirements, cost savings, and when the difference matters
Narrow Therapeutic Index Drugs
FDA bioequivalence and label-record context for narrow therapeutic index medicines
Common Drug Interactions
Dangerous medication combinations and how to protect yourself
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What the FDA Data Shows for beclomethasone
The FDA label for beclomethasone (sold under brand names such as Qvar) classifies it as a prescription-only medication in the Inhaled Corticosteroid class. Qvar Redihaler is used to treat asthma and prevent asthma attacks in adults and children 4 years and older. Official labeling lists 6 commonly reported side effects, including Mouth infection (oral candidiasis), Upper respiratory infection, Runny nose and sore throat (nasopharyngitis).
Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. Voluntary reports accumulate over the lifetime of a drug and reflect wide-ranging clinical use. The database also lists 2 documented drug interactions derived from FDA labeling, with the top-flagged interaction rated minor severity. Acquisition-cost data is surveyed weekly by CMS and updated as manufacturers report changes.
Report counts do not establish causation, a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information are separate source-record fields. This page is a public FDA/CMS registry and does not provide medical, treatment, substitution, or medication-change directions.
Data Sources
Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS).
FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. This registry does not provide medication decisions.
Last updated: September 20, 2023
PlainMeds is rendered directly from FDA openFDA/FAERS extracts, DailyMed labels, and CMS drug-pricing files, no number is typed in by an editor. FAERS counts, recalls, shortages, and price figures on this page are queried live from those federal extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-15. Primary sources: openFDA / FAERS, DailyMed and CMS Part B ASP.
Read our methodology - how this data is sourced, computed, and verified.
Data currency: FDA FAERS adverse-event reports through 2025, CMS NADAC acquisition-cost pricing effective December 2024, compiled from the source snapshot dated . See our methodology for per-source dates and refresh cadence. Spot a figure that looks wrong? Report a data issue.
All federal data sources used on this page
- FDA Orange Book - approved drug products with therapeutic equivalence. accessdata.fda.gov/cder/ob
- FDA DailyMed - NIH-hosted drug labeling for FDA-approved meds. dailymed.nlm.nih.gov
- FDA Adverse Event Reporting System (FAERS) - post-marketing safety surveillance. fda.gov/drugs/faers
- NLM RxNorm - standardized clinical drug nomenclature. nlm.nih.gov/research/umls/rxnorm
- CMS Medicare Part B Drug Average Sales Price Files - federal drug pricing data. cms.gov/medicare/part-b-drugs/asp
- FDA Drug Shortages Database - current and resolved drug shortage tracking. accessdata.fda.gov/drugshortages