Undesirable effects are classified according to their frequency of development as follows: very often (≥1 / 10); often (≥1 / 100, <1/10); infrequently (≥1 / 1000, <1/100); rarely (≥1 / 10000, <1/1000); very rarely (<1/10000); frequency is unknown - according to available data, it was not possible to establish the frequency of occurrence.
On the part of the organs of vision:
infrequent: impaired visual clarity, burning in the eye, conjunctival edema, foreign body sensation, dry eyes, lacrimation, meibomite (barley), superficial lesion of the corneal epithelium.
Other:
Very rarely: Cromohexal® eye drops contain benzalkonium chloride, which can cause such side effects as allergic reactions or changes in taste sensations;
the frequency is unknown: in very rare cases, severe anaphylactic reactions (bronchospasm) have been observed in some patients receiving treatment with preparations containing cromoglycic acid.