Rimantadine (Flumadine) is an anti-influenza virus drug.Target: Influenza Virusrimantadine are oral antiviral drugs useful in the prophylaxis and treatment of influenza A virus infections. rimantadine has prophylactic efficacy comparable to amantadine but lower potential for causing adverse effects [1]. double-blind study of children with influenza-like illness. 37 received rimantadine for five days. Of the total 37 children in the rimantadine group, 27% were found to have resistant isolated compared with 6% in the total group receiving acetaminophen (P< .04). Furthermore, the mean inhibitory concentration of rimantadine increased with time in the rimantadine group (r = .4, P = .002) [2].

References:
[1]. Tominack, R.L. and F.G. Hayden, Rimantadine hydrochloride and amantadine hydrochloride use in influenza A virus infections. Infect Dis Clin North Am, 1987. 1(2): p. 459-78.
[2]. Hall, C.B., et al., Children with influenza A infection: treatment with rimantadine. Pediatrics, 1987. 80(2): p. 275-82.