AntibioticClinical effectiveness (%)DosageCost of generic (brand)*
First-line therapy
Amoxicillin (regular dose)83 to 88500 mg every eight hours for 10 days500-mg tablets: $29
or500-mg capsules: $15
875 mg every 12 hours for 10 days875-mg tablets: $27
For coverage of beta-lactamase–producing Moraxella catarrhalis and Haemophilus influenzae
Amoxicillin/clavulanate (Augmentin; regular dose)90 to 92500 mg/125 mg every eight hours for 10 days500-mg/125-mg tablets: $69 ($167)
or
875 mg/125 mg every 12 hours for 10 days875-mg/125-mg tablets: $48 ($219)
Alternatives to amoxicillin/clavulanate
Cefdinir (Omnicef)83 to 88300 mg twice per day for 10 days300-mg capsules: $40 ($114)
or
600 mg per day for 10 days
Cefpodoxime83 to 88200 mg twice per day for 10 days200-mg tablets: $114
Cefuroxime (Ceftin)83 to 88250 mg twice per day for 10 days250-mg tablets: $71 ($214)
Alternatives to penicillin
Trimethoprim/sulfamethoxazole (Bactrim, Septra)83 to 88800 mg/160 mg twice per day for 10 days800-mg/160-mg tablets: $17 ($49)
Azithromycin (Zithromax)77 to 81500 mg per day for three days500-mg tablets: $44 ($74)
Clarithromycin (Biaxin), regular or XR77 to 81500 mg twice per day for 14 days500-mg tablets: $103 ($181)
or
1,000 mg XR every day for 14 days500-mg XR tablets: $135 ($189)
For possibleStreptococcus pneumoniaeresistance (e.g., child in household who attends day care)
Amoxicillin (high dose)83 to 881 g every eight hours for 10 days500-mg tablets: $31
or500-mg capsules: $19
1 g four times per day for 10 days500-mg tablets: $42
500-mg capsules: $25
For moderate disease, recent antibiotic use, or treatment failure
Amoxicillin/clavulanate, XR (Augmentin XR)90 to 922,000 mg/125 mg twice per day for 10 days1,000-mg/62.5-mg tablets: NA ($167)
Levofloxacin (Levaquin)90 to 92500 mg per day for 10 to 14 days500-mg tablets: NA ($186)
or
750 mg every day for five days750-mg tablets: NA ($159)
Moxifloxacin (Avelox)90 to 92400 mg per day for 10 days400-mg tablets: NA ($653)