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(Erythromycin) Delayed-Release Capsules, USP
To reduce the development of drug-resistant bacteria and maintain the effectiveness of ERYC® and other antibacterial drugs, ERYC should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
- Patient Information:
Details with Side Effects
ERYC capsules contain enteric-coated pellets of erythromycin base for oral administration. Each ERYC capsule contains 250 mg of erythromycin base. Also contains: lactose NF, povidone USP, FD&C Yellow #6 and other ingredients. The capsule shell contains gelatin NF, titanium dioxide USP, FD&C Yellow #6.
Erythromycin is produced by a strain of Saccharopolyspora erythraea (formerly Streptomyces erythraeus) and belongs to the macrolide group of antibiotics. It is basic and readily forms salts with acids but it is the base which is microbiologically active. Erythromycin base is (3R *, 4S *, 5S *, 6R *, 7R *, 9R *, 11R *, 12R *, 13S *, 14R *)-4[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6- trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy]-oxacyclo-tetradecane-2,10-dione.
What are the possible side effects of erythromycin?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- severe dizziness, fainting, fast or pounding heartbeats;
- nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
- diarrhea that is watery or bloody;
- hearing problems;
- vomiting or fussiness after eating (in a child taking erythromycin);...
What are the precautions when taking erythromycin delayed-release (Eryc)?
Before taking erythromycin, tell your doctor or pharmacist if you are allergic to it; or to other macrolide antibiotics (e.g., azithromycin, clarithromycin); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, a certain type of muscle disease (myasthenia gravis).
Erythromycin may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that require immediate medical...
Last reviewed on RxList: 2/24/2012
This monograph has been modified to include the generic and brand name in many instances.
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