amantadine hydrochloride /əman″tədēn/ , an antiviral and antiparkinsonian agent. ▪ INDICATIONS: It is prescribed in the prophylaxis and early treatment of influenza virus A and in the treatment of parkinsonian symptoms and drug-induced extrapyramidal reactions. ▪ CONTRAINDICATIONS: It is used with caution in patients with congestive heart failure and in women who are pregnant and lactating. Known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Among the most serious adverse reactions are central nervous system effects and livedo reticularis. Nausea, dizziness, insomnia, nervousness, blurred vision, and slurred speech also may occur.
