The most frequent side effects reported in clinical trials were cough, dry mouth, headache, tremor, pharyngitis, nausea, dizziness, dysphonia, tachycardia, palpitations, vomiting, blood pressure systolic increased and nervousness.
Tabulated summary of adverse reactions: The following adverse reactions have been reported during use of fenoterol hydrobromide/ipratropium bromide (Berodual F UDV) in clinical trials and during the post-marketing experience. (See Table.)

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