Final answer:
Albuterol can cause side effects including tachycardia and restlessness, as well as agitation, anxiety, sleep problems, nausea, and abnormal heart rhythms.
Step-by-step explanation:
Albuterol may cause several side effects that primarily relate to its stimulating effects on the sympathetic nervous system. The specific side effects you asked about, which are associated with albuterol use, are tachycardia (an increased heart rate) and restlessness. Other potential side effects of albuterol can include agitation, anxiety, sleep problems, nausea and vomiting, abnormal heart rhythms, low blood pressure, and muscular problems.