Imidazole is a five-member heterocyclic molecule with two nitrogen atoms at positions 1 and 3 in the aromatic ring. It is categorized as a diazole. Clinical trials have utilized a variety of imidazole-based drugs for antifungal, antibacterial, anticancer, antiparasitic, antihypertensive, and anti-inflammatory properties. A remarkable class of chemicals with antimicrobial properties, including potent antifungal and antibacterial agents, are imidazole derivatives, which contain the imidazole ring. The biological, and therapeutic use of compounds containing imidazoles are the main topics of this review. Numerous studies have investigated the antifungal activity of imidazole derivatives, which interfere with the growth of cell membranes and the integrity of the walls of fungal cells. Likewise, their antibacterial properties have been noted in a variety of Gram-positive and Gram-negative bacteria, and they are linked to mechanisms such the suppression of nucleic acid replication, protein synthesis, and cell wall formation. We also investigate the structure-activity relationships (SAR) of imidazole derivatives, focusing on their pharmacokinetic, toxicological, and biological activities. In addition to increasing the number of effective medications available to treat bacterial and fungal diseases, the discovery of new imidazole-based treatments could contribute to combating the growing threat of drug resistance.