Maxair Side Effects
Generic Name: pirbuterol
Note: This page contains information about the side effects of pirbuterol. Some of the dosage forms included on this document may not apply to the brand name Maxair.
Not all side effects for Maxair may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to pirbuterol: inhalation aerosol powder
In addition to its needed effects, some unwanted effects may be caused by pirbuterol (the active ingredient contained in Maxair). In the event that any of these side effects do occur, they may require medical attention.
You should check with your doctor immediately if any of these side effects occur when 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
If any of the following symptoms of overdose occur while taking pirbuterol, get emergency help immediately: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 of the side effects that can occur with pirbuterol may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional: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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