Pirbuterol Side Effects
It is possible that some side effects of pirbuterol may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
For the Consumer
Applies to pirbuterol: inhalation aerosol powder
As well as its needed effects, pirbuterol may cause unwanted side effects that require medical attention.
If any of the following side effects occur while taking pirbuterol, check with your doctor immediately: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 pirbuterol side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned 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.
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