Beyond-use dating of lidocaine alone and in two "magic mouthwash" preparations.

CONCLUSION: A BUD of 21 days is recommended for lidocaine prepared with diphenhydramine and aluminum hydroxide-magnesium hydroxide-simethicone in ratios of 1:1:1 and 1:2.5:2.5 and stored at room temperature in amber oral plastic syringes.
PMID: 28438825 [PubMed - in process]

Source: American Journal of Health-System Pharmacy : AJHP - April 26, 2017 Category: Drugs & Pharmacology Authors: Kirk LM, Brown SD, Luu Y, Ogle A, Huffman J, Lewis PO Tags: Am J Health Syst Pharm Source Type: research