Should /could Azithromycin 250 mg and metronidazole 500 mg be taken together to wipe out clamidia?

Do you refer to Chlamydia infection? If yes, both meds - Azithromycin & Metronidazole taken together could help to treat such infections.

Metronidazole is commonly prescribed to treat several types of bacterial and parasitic infections. As an antibiotic, it works to fight infections by entering bacteria or parasite cells and producing free radicals, molecules that can damage and destroy cells.

Azithromycin is also an antibiotic that is commonly prescribed for the treatment of common bacterial infections and sexually transmitted diseases such as gonorrhea and chancroid. Part of a class of antibiotics known as macrolides, this medicine works to kill bacteria in the body by affecting peptide activity and decreasing bacteria's ability to make protein.

However, please also do check it with a doc/pharmacist who prescribed the meds, take care, be safe & well.