About natamycina naturally occurring polyene macrolide antibiotic, antifungal antibiotic.side effects of natamycin: conjunctival hyperemia, irritation & chemosis.contra-indications of natamycin: hypersensitivity.special precautions while taking natamycin: if drug toxicity is suspected discontinue the drug.pregnancy related information: may be used.old age related information:may be used.breast feeding related information: may be used.indications for natamycin:oculomycosis (keratitis, conjunctivitis) caused by yeasts, fungi and dermatophytes. fusarium solani keratitis.