Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your progress at regular visits to make sure the medicine is working properly and to decide if you should continue to take it. Blood tests may also be needed to check for unwanted effects.

Tell your doctor if you are also using any other medicine for your COPD. Your doctor may want you to use it only during a severe COPD attack. Follow your doctor's instructions on how you should take your medicine.

This medicine should not be used if you are having a severe COPD attack, or if symptoms of a COPD attack has already started. Your doctor may prescribe another medicine for you to use in case of an acute COPD attack. If the other medicine does not work as well, tell your doctor right away.

Talk to your doctor or get medical care right away if:

  • Your symptoms do not improve after using this medicine within a few days or if they become worse.
  • Your short-acting inhaler does not seem to be working as well as usual and you need to use it more often.

This medicine should not be used together with similar inhaled medicines such as budesonide/formoterol (Symbicort®), formoterol (Foradil®, Perforomist™), indacaterol (Arcapta® Neohaler®), salmeterol (Serevent®), or salmeterol/fluticasone (Advair®).

This medicine may increase the risk of worsening asthma, which may lead to hospitalization, intubation, and death in patients with asthma who take this medicine without an inhaled steroid medicine. Talk to your doctor about any questions or concerns you may have.

This medicine may cause paradoxical bronchospasm, which means your breathing or wheezing will get worse. Paradoxical bronchospasm may be life-threatening. Check with your doctor right away if you have coughing, difficulty breathing, shortness of breath, or wheezing after using this medicine.

Arformoterol may cause heart or blood vessel problems, including heart rhythm problems. Check with your doctor right away if you have chest pain or tightness, decreased urine output, dilated neck veins, extreme fatigue, irregular heartbeat, swelling of the face, fingers, feet, or lower legs, troubled breathing, or weight gain.

Hypokalemia (low potassium in the blood) may occur while you are using this medicine. Check with your doctor right away if you have more than one of the following symptoms: decreased urine, dry mouth, increased thirst, loss of appetite, mood changes, muscle pain or cramps, nausea or vomiting, numbness or tingling in the hands, feet, or lips, seizures, uneven heartbeat, or unusual tiredness or weakness.

This medicine may affect blood sugar levels. If you are diabetic and notice a change in the results of your blood or urine sugar tests, check with your doctor.

This medicine may cause serious allergic reactions, including anaphylaxis and angioedema, which can be life-threatening and require immediate medical attention. Call your doctor right away if you have a rash, itching, hoarseness, trouble breathing, or swallowing, or any swelling of your hands, face, or mouth while you are using this medicine.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

Portions of this document last updated: April 01, 2024

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