Maxair Side Effects
Generic Name: pirbuterol
Note: This document contains side effect information about pirbuterol. Some of the dosage forms listed on this page may not apply to the brand name Maxair.
Some side effects of Maxair may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to pirbuterol: inhalation aerosol powder
Along with its needed effects, pirbuterol (the active ingredient contained in Maxair) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking pirbuterol:More common
- Shakiness in the legs, arms, hands, or feet
- trembling or shaking of the hands or feet
- Fast, pounding, or irregular heartbeat or pulse
- Blurred vision
- chest pain
- dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- feeling of warmth
- numbness in the arms or legs
- redness of the face, neck, arms, and occasionally, upper chest
- unusual tiredness or weakness
Get emergency help immediately if any of the following symptoms of overdose occur while taking pirbuterol:Symptoms of overdose
- Arm, back, or jaw pain
- chest tightness or heaviness
- decreased urine
- dry mouth
- general feeling of discomfort or illness
- increased thirst
- loss of appetite
- mood changes
- muscle pain or cramps
- nausea or vomiting
- numbness or tingling in the hands, feet, or lips
- pounding in the ears
- shortness of breath
- slow or fast heartbeat
- trouble sleeping
- unable to sleep
Some side effects of pirbuterol may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Less common
- Abdominal or stomach cramps
- bad, unusual, or unpleasant (after) taste
- change in taste
- hair loss
- increase in body movements
- itching skin
- redness, swelling, or soreness of the tongue
- swelling or inflammation of the mouth
- thinning of the hair
- weight gain
- weight loss
For Healthcare Professionals
Applies to pirbuterol: inhalation aerosol
Cardiovascular side effects have included palpitations and peripheral vasodilation, commonly resulting in reflex tachycardia. Blood pressure may increase or decrease. Higher doses may rarely aggravate angina, myocardial ischemia, or cause atrial or ventricular arrhythmias.
Although most studies have not revealed a significant effect of pirbuterol on blood pressure or heart rate, anecdotally significant increases have been noted. Aggravation of angina may be due to tachycardia produced by pirbuterol. Supraventricular premature beats and ventricular tachycardia have also been reported. Higher doses of pirbuterol should be used with caution in patients with cardiac disease, arrhythmias, or hypertension. All of these effects are dose-related and lower doses may be tolerated.
Musculoskeletal side effects have included tremors, especially at higher doses.
Gastrointestinal side effects have included nausea, dry mouth, and diarrhea.
Metabolic side effects have included hypokalemia and, less commonly, hyperglycemia.
Nervous system side effects have included nervousness, dizziness, insomnia, and headache.
Respiratory side effects have included cough. Rare instances of paradoxical bronchoconstriction have been associated with the use of pirbuterol (the active ingredient contained in Maxair)
More about Maxair (pirbuterol)
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