This medicine may interact with the following medications:

-birth control pills

They need to know if you have any of these conditions:

-an unusual or allergic reaction to aztreonam, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Tell your doctor or health care provider if your symptoms do not start to get better or if they get worse. Your doctor will monitor your condition and blood work as needed.



This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your health care provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips or lymph nodes in your neck or under your arms.



Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

Visit your health care provider for regular checks on your progress. Tell your health care provider if your symptoms do not start to get better or if they get worse.

Keep out of the reach of children.

Store between 2 and 8 degrees C (36 and 46 degrees F) or store at room temperature up to 25 degrees C (77 degrees F) for up to 28 days. Protect from light. Keep container tightly closed. Throw away any unused medicine after the expiration date.