After emergency treatment the patient should continue to be medically monitored. Treatment of the signs of symptoms of overdosage is symptomatic and supportive. Vasopressors may be used to treat hypotension. Short-acting barbiturates, diazepam, or paraldehyde may be administered to control seizures. Hyperpyrexia, especially in children, may require treatment with tepid water sponge baths or a hypothermic blanket.
Apnea is treated with ventilatory support.
The usual adult dosage is 1 tablet twice a day. Bottles of 100.