maraviroc, an antiretroviral drug. ▪ INDICATIONS: This drug is used to treat HIV infection in combination with other antiretroviral agents. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Adverse effects of this drug include dizziness, depression, disturbances in consciousness, peripheral neuropathy, paresthesia, dysesthesia, fever, gingival hyperplasia, diarrhea, constipation, dyspepsia, rash, urticaria, pruritus, folliculitis, joint pain, leg pain, muscle cramps, cough, upper respiratory infection, sinusitis, bronchitis, pneumonia, and herpes virus. Life-threatening side effects include MI, cardiac ischemia, bronchospasm, orthostatic hypotension, viral meningitis, pseudomembranous colitis, hepatotoxicity, and respiratory obstruction.