EYE(S) - Conjunctivitis, Chlamydial - Newborns (Chlamydia trachomatis)
Erythromycin Estolate Suspension (Ilosone^®) Generics available Oral Susp: 200mg/5mL, 400mg/5mL	Neonate: 50 mg/kg/day in divided doses four times daily for 10-14 days. 125 mg/5 mL @ 50 mg/kg/day 4-5 kg (9-11 lb) = 2 mL Q6H 5.5-7 kg (12-15 lb) = 3 mL Q6H 7-8 kg (16-18 lb) = 4 mL Q6H Food: With or without meals. Take with food if causes GI upset. Important side effects: GI upset, hepatitis. .
EYE(S) - Conjunctivitis, Chlamydial - Adult (Chlamydia trachomatis)  Comment: Consider referring sex partner for evaluation and treatment.
Doxycycline (Vibramycin^®) Generics available Pregnancy: D; Lactation: Unsafe Tabs: 50 mg, 100 mg   Caps: 50 mg, 100 mg	Children ≥8 years and Adult: 100 mg twice daily for 7 days. Food: May take with food if GI upset occurs. Take 1 hour before or 2 hours after antacids, iron, milk, or other dairy products. Take with full glass of water to prevent esophagitis. Important side effects: Photosensitivity, esophagitis. May discolor fingernails.
Azithromycin (Zithromax^®) Pregnancy: B; Lactation: Unk Tabs: 250 mg     Powder for Oral Suspension: 1-g packet	Children ≥45 kg and Adult: 1 g PO x 1 dose. Food: 1-g powder packet for oral suspension and tablets without regard to food. Important side effects: Nausea, diarrhea, elevated LFTs.
Erythromycin Base (E-Mycin^®, Eryc^®) Pregnancy: B; Lactation: Safe Tabs: 250 mg, 333 mg, 500 mg Caps Delayed Release: 250 mg	Children ≥40 kg (88 lb) and Adult: 500 mg four times daily for 7 days. Less effective than doxycycline or azithromycin. Consider retesting 3 weeks after therapy. Food: May take with or without meals. Take with food if causes GI upset. Important side effects: GI upset, hepatitis. Drug interactions may be significant.
EYE(S) - Conjunctivitis, Chlamydial - Pregnant Woman (Chlamydia trachomatis)
Azithromycin (Zithromax^®) Pregnancy: B; Lactation: Unk Tabs: 250 mg    Powder for Oral Suspension: 1 g	Adolescent and Adult: 1 g PO x 1. Food: 1-g powder packet for oral suspension and tablets without regard to food. Important side effects: Nausea, diarrhea, elevated LFTs .
Erythromycin Base (E-Mycin^®, Eryc^®) Generics available Pregnancy: B; Lactation: Safe Tabs: 250 mg, 333 mg, 500 mg Caps: 250 mg	Adolescent and Adult: 500 mg four times daily for 7 days OR 250 mg four times daily for 14 days if GI upset. This drug is less effective than azithromycin. Consider retesting 3 weeks after therapy. Food: May take with or without meals. Take with food if causes GI upset. Important side effects: GI upset, hepatitis. Drug interactions may be significant.