a ER a ER Pill: red clear, capsule/oblong, 22mm
The pill with imprint a ER a ER (Red / Clear, Capsule/Oblong, 22mm) has been identified as Erythromycin delayed-release 250 mg (erythromycin base) and is used for Bronchitis, Bowel Preparation, Bacterial Endocarditis Prevention, Bartonellosis, and Bullous Pemphigoid. It belongs to the drug class macrolides and is not a controlled substance.
Images for a ER a ER


Erythromycin delayed-release
- Imprint
- a ER a ER
- Strength
- 250 mg (erythromycin base)
- Color
- Red / Clear
- Size
- 22.00 mm
- Shape
- Capsule/Oblong
- Availability
- Prescription only
- Drug Class
- Macrolides
- Pregnancy Category
- B - No proven risk in humans
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Abbott Laboratories
- National Drug Code (NDC)
- 00074-6301 (Discontinued)
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More about erythromycin
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- Dosage information
- During pregnancy
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- Drug class: macrolides
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Patient resources
Other brands
Erythrocin, EryPed, Eryc, Erythrocin Lactobionate, ... +4 more
Professional resources
- Erythromycin monograph
- Erythromycin Ethylsuccinate (AHFS Monograph)
- Erythromycin Lactobionate (AHFS Monograph)
- Erythromycin Stearate (AHFS Monograph)
- Erythromycins General Statement (AHFS Monograph)
Other brands
Erythrocin, EryPed, PCE Dispertab, Ery-Tab, E.E.S. Granules
Related treatment guides
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.