Cayston and Librax

• Generic Name: aztreonam
• Dosage Forms: inhalation solution
• Other Brand Names: Cayston, Azactam

Cayston (aztreonam) is an antibiotic that fights severe or life-threatening infection caused by bacteria.

Cayston inhalation is used to improve breathing symptoms in people who have cystic fibrosis and a certain bacteria in their lungs. This medication is for use in adults and children who are at least 7 years old.

Cayston may also be used for purposes not listed in this medication guide.

• Generic Name: chlordiazepoxide / clidinium
• Dosage Forms: capsule
• Other Brand Names: Librax, Clindex, Chlordinium

Librax is a capsule containing a combination of chlordiazepoxide and clidinium. Chlordiazepoxide is a benzodiazepine that affects chemicals in the brain that may be unbalanced. Clidinium reduces stomach acid and decreases intestinal spasms.

Librax is a medicine that may be effective in treating stomach ulcers, irritable bowel syndrome, or symptoms related to intestinal infection. Librax is given together with other medications to treat these conditions.

The U.S. Food and Drug Administration has determined that Librax is "possibly" effective in treating these conditions.