1 If there is a question as to a patient's therapeutic compliance, a serum test request for the specific drug of interest may be of help.  The presence of methadone >LOQ indicates exposure to methadone within 6 to 7 days prior to specimen collection.
Erythromycin topical Prices This erythromycin topical price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies. The cost for erythromycin topical topical gel 2% is around $113 for a supply of 30 grams, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans.
DRUG DESCRIPTION. 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.