Who should not use Coly-mycin S (colistin sulfate-neomycin-hydrocortisone)?

Colistin sulfate, neomycin sulfate, thonzonium bromide, and hydrocortisone acetate, sold under the brand name Coly-mycin S, should not be taken by anyone with allergies or sensitivities to any of the ingredients. If the ear infection is caused by a virus, do not use colistin sulfate with neomycin and hydrocortisone. Do not use this medication if your ear drum is ruptured.

You should not use this medication if you are pregnant or nursing. The FDA has classified this medication as FDA Pregnancy Category C: Animal studies have shown adverse effect on a fetus and there are no controlled human studies available.

If you develop a skin rash, stop treatment and promptly call your doctor.

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