The following classification of undesirable reactions is used depending on the frequency of occurrence: very often (> 1/10), often (<1/100, <1/10), sometimes (> 1/1000, <1/100), rarely (> 1 /10.000, <1/1000), very rarely (<1 / 10,000).
From the digestive system: rarely - diarrhea, constipation, with prolonged use in high doses - gastralgia, nausea, vomiting.
On the part of the respiratory system: rarely - rhinorrhea, dryness of the oral mucosa and respiratory tract.
Allergic reactions: rarely - skin rash, hives, allergic dermatitis; very rarely - angioedema, anaphylactic shock.
From the nervous system: rarely - weakness, headache.
From the genitourinary system: rarely - dysuria.