The most frequent adverse reactions with fenspiride were observed from the gastrointestinal tract.
The frequency of adverse reactions that may occur during therapy is given in the following gradation: very often (≥1 / 10); often (≥1 / 100, <1/10); infrequently (≥1 / 1000, <1/100); rarely (≥1 / 10000, <1/1000); very rarely (<1/10000); the frequency is unknown (the frequency can not be estimated from the available data).
Disorders from the central nervous system:
Rarely: drowsiness;
Frequency unknown *: dizziness.
Violations from the heart and blood vessels:
Rarely: mild tachycardia, the severity of which decreases with a decrease in the dose of the drug;
Frequency unknown *: palpitations, decreased blood pressure, possibly associated with tachycardia.
Disorders from the gastrointestinal tract:
Often: gastrointestinal disorders, nausea, epigastric pain;
Frequency unknown *: diarrhea, vomiting.
Disturbances from the skin and subcutaneous tissues:
Rarely: erythema, rash, hives, angioedema, fixed erythema pigmentosa;
Frequency unknown *: pruritus, toxic epidermal necrolysis, Stevens-Johnson syndrome.
General disorders and disorders at the site of administration:
Frequency unknown *: asthenia, increased fatigue.
* Data on the registration of fenspiride.
The risk of developing reactions of hypersensitivity to the dye is the sunset yellow, which is part of the preparation.
If any of the side effects indicated in the manual are aggravated or you notice any other side effects not listed in the instructions, inform your doctor.