The frequency of unwanted reactions is as follows: very often (>1/10 cases), often (>1/100 and <1/10 cases), infrequently (>1/1000 and <1/100 cases), rarely (>1/10000 and <1/1000 cases) and very rarely (<1/10000 cases, including individual cases).
Allergic reactions: infrequently - allergic reactions of various degrees, rash, itching.
From the digestive system: rarely - diarrhea, nausea, vomiting, abdominal pain.
Other: infrequent - intensive staining of urine1, rarely - a general malaise.
1 - During the treatment, the drug can intensively stain urine (depending on pH) from yellow to brown, which is not clinically important and does not require drug withdrawal or dose reduction.
If any of the unwanted reactions listed in the manual is aggravated, or if you notice other undesirable reactions not listed in the manual, inform the doctor about it.