Bronchospasm / laryngospasm if capsule chewed or sucked; Fatal overdose, particularly in children; Hypersensitivity to related compounds
Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.
Label date: 20260902 · For learning, not clinical decisions. US label and brand information; always consult the current source.
Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.
Mechanism: Activates beta-2 receptors on airway smooth muscle, raising cyclic AMP via adenylcyclase and relaxing bronchial smooth muscle.
On both cards: Common side effects — Headache; Dizziness
Only on the Albuterol card: Used for — Bronchospasm treatment or prevention in reversible obstructive airway disease, aged 4 or older; Exercise-induced bronchospasm prevention, aged 4 or older · Common side effects — Tachycardia; Pain; Pharyngitis · Warnings — Paradoxical bronchospasm; Cardiovascular effects; Hypokalemia
Mechanism: Promethazine: H1 receptor blocker with sedative and antiemetic effects. Dextromethorphan: acts centrally to raise the cough threshold.
On both cards: Common side effects — Sedation; Dizziness
Only on the Promethazine / Dextromethorphan card: Used for — Temporary relief of cough and upper-respiratory symptoms associated with allergy or the common cold · Common side effects — Drowsiness; Blurred vision; Dry mouth · Warnings — Contraindicated with MAOIs (dextromethorphan); Contraindicated in comatose states; Not for lower respiratory symptoms incl. asthma
Mechanism: Brompheniramine: alkylamine H1 blocker with anticholinergic effects. Pseudoephedrine: alpha-adrenergic nasal decongestant. Dextromethorphan: raises the cough threshold.
On both cards: Common side effects — Sedation; Dizziness
Only on the Brompheniramine / Pseudoephedrine / Dextromethorphan card: Used for — Relief of cough and upper-respiratory symptoms, including nasal congestion, associated with allergy or the common cold · Common side effects — Dry mouth, nose and throat; Thickened bronchial secretions · Warnings — Contraindicated with MAOIs (dextromethorphan); Severe hypertension or severe coronary artery disease; Not for newborns, premature infants, nursing mothers
An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.