

In animal studies on mice and rats, researchers did not find evidence of birth defects at 3.2 times the human daily dose of 600 mg. If infection is confirmed, treatment for those diseases should be initiated with a more appropriate antibacterial drug. Therefore, Zithromax, at the recommended dose, should not be relied upon to treat gonorrhea or syphilis, two types of sexually transmitted diseases (STDs) caused by bacterial infections.Īll patients who are diagnosed with or suspected of having sexually transmitted urethritis (urethral inflammation) or cervicitis (irritation or infection of the cervix) should also be tested for gonorrhea and syphilis prior to starting treatment with Zithromax.

Sexually Transmitted InfectionsĪntibiotics used at high doses for short periods of time may mask or delay the symptoms of incubating gonorrhea or syphilis (meaning the disease is already present and developing in the body but symptoms have not yet appeared). People with liver problems or who had jaundice with prior use of Zithromax should not take it again. Patients with allergies to azithromycin, erythromycin, or any macrolide or ketolide should not take Zithromax. About Īccording to the medication insert, certain people should not take Zithromax.

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