The expected symptoms with overdosage are those of excessive β-stimulation and/or occurrence or exaggeration of any of the symptoms listed under Adverse Reactions eg, seizures, angina, hypertension or hypotension, tachycardia, arrhythmias, nervousness, headache, tremor, dry mouth, palpitation, nausea, dizziness, fatigue, malaise and insomnia. Hypokalemia may also occur. Treatment consists of discontinuation of salbutamol sulfate together with appropriate symptomatic therapy.