If you have heart failure (weak heart). There are 21 active pills andВ seven inactive (dummy) pills in a pack. En caso de requerir atenciГіn mГ©dica por otras razones, no olvide mencionar que estГЎ tomando este medicamento. The metabolism of Terbinafine can be decreased when combined with Sorafenib. Clonazepam may increase the central nervous system depressant (CNS depressant) activities of Azelastine. To reduce the development of drug-resistant bacteria and maintain the effectiveness of Eryc and other antibacterial drugs, Eryc should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria.