Generic Name and Formulations:
Erythromycin (as base) 250mg; e-c pellets in caps.
Mayne Pharma US
Indications for ERYC:
Treatment of susceptible infections including upper and lower respiratory, skin and skin structure, genitourinary, Legionnaires' disease, pertussis, listeriosis. Prophylaxis for rheumatic fever attacks in penicillin-allergic patients.
Give 1hr before meals. Usual dose: 250mg every 6hrs or 500mg every 12hrs; max 4g/day (1g/day for twice daily dosing). Legionnaires: 1–4g/day in divided doses. Prophylaxis: 250mg twice daily. See full labeling.
Give 1hr before meals. Usual dose: 30–50mg/kg/day in divided doses; may double dose in severe infections. See full labeling.
Concomitant terfenadine, astemizole, cisapride, pimozide, ergotamine, dihydroergotamine, statins (eg, lovastatin, simvastatin).
Avoid in proarrhythmic conditions (eg, uncorrected hypokalemia or hypomagnesemia, clinically significant bradycardia); risk of QT prolongation. Myasthenia gravis. Hepatic impairment. Elderly. Infants: risk of infantile hypertrophic pyloric stenosis; monitor for vomiting or irritability with feeding. Pregnancy (Cat.B). Nursing mothers.
See Contraindications. May potentiate theophylline (reduce dose of theophylline), digoxin, oral anticoagulants, hexobarbital, phenytoin, valproate. May potentiate CYP3A substrates (eg, triazolam, midazolam, statins [rhabdomyolysis], sildenafil [reduce dose of sildenafil], colchicine [reduce starting dose of colchicine, max dose should be lowered; monitor], verapamil, amlodipine, diltiazem, carbamazepine, cyclosporine, tacrolimus, alfentanil, disopyramide, bromocriptine, rifabutin, quinidine, methylprednisolone, cilostazol, vinblastine); consider dose adjustments and monitor. May be antagonized by theophylline. Hypotension, bradyarrhythmias, lactic acidosis with verapamil. QT prolongation with concomitant Class 1A (quinidine, procainamide) or Class III (dofetilide, amiodarone, sotalol) antiarrhythmics; avoid. May interfere with fluorometric detection of urinary catecholamines.
GI upset, abdominal pain, anorexia, hepatic dysfunction; QT prolongation, C. difficile-associated diarrhea, superinfection (discontinue if occurs).
Sign Up for Free e-newsletters
Regimen and Drug Listings
GET FULL LISTINGS OF TREATMENT Regimens and Drug INFORMATION
|Head and Neck Cancer||Regimens||Drugs|
|Renal Cell Carcinoma||Regimens||Drugs|
Cancer Therapy Advisor Articles
- BRCA1/Shieldin Double Mutations May Signal Resistance to PARP Inhibitors
- Study Analyzing Postmarketing Data on Breast Implant Safety Sparks FDA Response
- Higher-Dose Immunoglobulin Replacement Therapy in Chronic Lymphocytic Leukemia
- Beyond BRCA: New Predisposition Genes Linked to Breast, Ovarian Cancers
- Finding Clinical Trials in Cancer
- Adding Nintedanib Did Not Improve Survival in Lung Cancer Subtype
- The Identification of a Potential Early Plasma Biomarker for Kidney Cancer
- Pembrolizumab Plus Chemotherapy Extended Survival Longer Than Chemotherapy Alone: Study
- Combining Chemotherapy With Checkpoint Inhibitors Extends Overall Survival in ES-SCLC
- In a Head-to-Head Battle, Brigatinib Appears to Best Crizotinib