Erythromycin causes stomach ache, nausea, and vomiting fairly commonly. Quinolones Quinolones are also effective against Mycoplasma. It has been used in some children with Cystic Fibrosis, under special circumstances, without apparent ill effect. Tetracyclines interfere with tooth development. They must not be used in children below 13 years of age, or in pregnant women.
Tetracyclines cause stomach aches fairly often.
Inhaled Antibiotics Tobramycin is sometimes given inhalation, using a nebulizer , to reduce chronic infection with Pseudomonas aerugionsa . The nebulizer is used to deliver the antibiotic directly to the bronchial tubes. Nebulized tobramycin is used on a long-term basis. Side effects are infrequent, other than occasional throat irritation and chest tightness. For more information about nebulizers, click here .