Adverse reactions are similar to those noted with other sympathomimetic agents.
The following table of adverse experiences is derived from 26 controlled clinical trials with 496 patients treated with metaproterenol sulfate tablets:
Metaproterenol Sulfate Tablets Incidence of Adverse Events Reported Among 496 Patients Treated in 26 Controlled Clinical Trials
ADVERSE EXPERIENCE
INCIDENCE
Number of Patients
%
Cardiovascular
Chest Pain
1
0.2
Edema
1
0.2
Hypertension
2
0.4
Palpitations
19
3.8
Tachycardia
85
17.1
Central Nervous System
Dizziness
12
2.4
Drowsiness
3
0.6
Fatigue
7
1.4
Headache
35
7.0
Insomnia
9
1.8
Nervousness
100
20.2
Sensory disturbances
1
0.2
Syncope
2
0.4
Weakness
1
0.2
Dermatological
Diaphoresis
1
0.2
Hives
1
0.2
Pruritus
2
0.4
Gastrointestinal
Appetite changes
2
0.4
Diarrhea
6
1.2
Gastrointestinal distress
15
3.0
Nausea
18
3.6
Vomiting
4
0.8
Musculoskeletal
Pain
1
0.2
Spasms
1
0.2
Tremor
84
16.9
Ophthalmological
Blurred vision
1
0.2
Oro-Otolaryngeal
Dry mouth/throat
2
0.4
Laryngeal changes
1
0.2
Bad taste
4
0.8
Respiratory
Asthma exacerbation
10
2.0
Coughing
1
0.2
Other
Chatty
1
0.2
Chills
1
0.2
Clonus noted on flexing foot
1
0.2
Feverish
2
0.4
Flu Symptoms
1
0.2
Facial and finger puffiness
1
0.2
Drug label data at the top of this Page last updated: 2013-07-24