Albuterol and Phentermine interaction
Albuterol and Phentermine: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Albuterol (Albuterol Sulate HFA) label · effective 2026-01-30
Do Not Exceed Recommended Dose Fatalities have been reported in association with excessive use of inhaled sympathomimetic drugs in patients with asthma.
Other short-acting sympathomimetic aerosol bronchodilators should not be used concomitantly with albuterol.
Use with caution in patients sensitive to sympathomimetic drugs and patients with cardiovascular or convulsive disorders.
Therefore, Albuterol Sulfate HFA, like all other sympathomimetic amines, should be used with caution in patients with underlying cardiovascular disorders, especially coronary insufficiency, cardiac arrhythmias, and hypertension.
Coexisting Conditions Albuterol Sulfate HFA, like other sympathomimetic amines, should be used with caution in patients with convulsive disorders, hyperthyroidism, or diabetes mellitus and in patients who are unusually responsive to sympathomimetic amines.
From the Phentermine (Phentermine hydrochloride) label · effective 2026-08-17
…states • History of drug abuse • Pregnancy [ see Use in Specific Populations () ] • Nursing [ see Use in Specific Populations ( 8.3 ) ] • Known hypersensitivity, or idiosyncrasy to the sympathomimetic amines • History of cardiovascular disease (e.g., coronary artery disease, stroke, arrhythmias, congestive heart failure, uncontrolled hypertension) () • During or within…
• Known hypersensitivity, or idiosyncrasy to the sympathomimetic amines ( 4 )
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.