11. Diethyl carbonate is used as a solvent such as in erythromycin intramuscular injections . 12. It is administered via intramuscular injection and acts as a long-lasting prodrug of testosterone. 13. If intravenous access is not immediately available, intramuscular injection of glucocorticoids can be used. 14. When used in the systemic therapy, IFNs are mostly administered by an intramuscular injection . 15. However that drug requires three injections per week compared to Avonex's single intramuscular injection . 16. It is administered by direct insect sting, or intramuscular injections . 17. Lorazepam injectable solution is administered either by deep intramuscular injection or by intravenous injection. 18. "' Drostanolone propionate "'( orally active, and must be administered instead via intramuscular injection . 19. In most countries, intramuscular injections of vitamin B 12 are used to treat pernicious anemia. 20. Intramuscular injection does give a faster and higher pharmacokinetic profile when compared to subcutaneous injection.