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Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

FOR INTRAMUSCULAR USE ONLY contains 2% lidocaine

To reduce the development of drug-resistant bacteria and maintain the effectiveness of Terramycin (oxytetracycline) IM® and other antibacterial drugs, Terramycin (oxytetracycline) IM should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.


Oxytetracycline is a product of the metabolism of Streptomyces rimosus and is one of the family of tetracycline antibiotics.

Oxytetracycline diffuses readily through the placenta into the fetal circulation, into the pleural fluid and, under some circumstances, into the cerebrospinal fluid. It appears to be concentrated in the hepatic system and excreted in the bile, so that it appears in the feces, as well as in the urine, in a biologically active form.


Terramycin Intramuscular contents per ml (m/v)
Ingredient 2 ml Single Dose
10 ml Vial
100 mg/2 ml 250 mg/2 ml 50 mg/ml
10 ml (5 β† 2 ml Doses)
oxytetracycline 50 mg 125 mg 50 mg
lidocaine 2.0% 2.0% 2.0%
magnesium chloride hexahydrate 2.5% 6.0% 2.5%
sodium formaldehyde sulfoxylate 0.5% 0.5% 0.3%
α-monothioglycerol     1.0%
monoethanolamine approx. 1.7% approx. 4.2% approx. 2.6%
citric acid     1.0%
propyl gallate     0.02%
propylene glycol 75.2% 67.0% 74.1%
water 18.8% 16.8% 18.5%

Last reviewed on RxList: 1/18/2017
This monograph has been modified to include the generic and brand name in many instances.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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