The clinical trials have shown the good tolerability of the product. Undesirable effects have been observed in a low proportion of patients. They were transient, of minor entity, and included gastric discomfort and pain, dyspepsia, nausea, flatulence, constipation, diarrhea, headache, somnolence. Effects of hypersensitivity have been reported in some patients and included cutaneous rash, pruritus and erythema.
Occasionally, contact dermatitis, rash papular, urticaria, eczema and oedema may occur.
Isolated cases of allergic reaction, visual disturbances, hair loss were observed.
The patient should inform his/her doctor of any undesirable effect experienced during the treatment.