Before using bitolterol inhalation, tell your doctor if you are taking any of the following
medicines:
a beta-blocker such as atenolol (Tenormin), metoprolol
(Lopressor, Toprol XL), propranolol (Inderal), and others;
a tricyclic antidepressant such as amitriptyline (Elavil),
doxepin (Sinequan), imipramine (Tofranil), nortriptyline (Pamelor), and others;
a monoamine oxidase inhibitor (MAOI) such as
isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate);
another inhaled bronchodilator; or
caffeine, diet pills, or decongestants.
You may not be able to use bitolterol inhalation, or you may require a
dosage adjustment or special monitoring during treatment.
Drugs other than those listed here may also interact with bitolterol inhalation or affect your
condition. Talk to your doctor and pharmacist before taking any prescription or over-the-counter
medicines.
Stop using bitolterol and seek emergency medical attention if you experience any of the
following serious side effects:
an allergic reaction (difficulty breathing; closing of your throat;
swelling of your lips, tongue, or face; or hives); or
chest pain or irregular heartbeats.
Other, less serious side effects may be more likely to occur. Continue to
use bitolterol inhalation and talk to your doctor if you experience
headache, dizziness, lightheadedness, or insomnia;
tremor or nervousness;
sweating;
nausea, vomiting, or diarrhea; or
dry mouth.
Side effects other than those listed here may also occur. Talk to your
doctor about any side effect that seems unusual or that is especially bothersome.