General Availability in Public Healthcare Institution Users are to consult the respective PHIs for actual inventory availability and supply restrictions/consideration Tablet 500 mg Alexandra Hospital Changi General Hospital Institute of Mental Health KK Women's and Children's Hospital Khoo Teck Puat Hospital National Healthcare Group Polyclinics National Skin Centre Ng Teng Fong General Hospital National University Hospital National University Polyclinics Sengkang General Hospital Singapore General Hospital SingHealth Polyclinics Tan Tock Seng Hospital Woodlands Health Campus