According to the World Health Organization (WHO), unwanted effects are classified according to their frequency of development as follows: often (> 1/100, <1/10), infrequently (> 1/1000, <1/100), rarely (> 1 / 10000, <1/1000) and very rarely (<1/10000), including individual messages.
From the digestive system
often: nausea, diarrhea, discomfort in the epigastric region.
From the skin and subcutaneous tissues
often: skin rash;
frequency is unknown: hyperemia of the facial skin.
From the nervous system
often: headache;
frequency is unknown: dizziness, paresthesia of the lower extremities.
From the side of the cardiovascular system
rarely: thromboembolism;
frequency not known: marked reduction in blood pressure.
On the part of the blood and lymphatic system
rarely: agranulocytosis, neutropenia, thrombocytopenia.
From the side of the musculoskeletal system
rarely: arthralgia.
From the immune system
rarely: allergic reactions.
Other
often: asthenia; rarely: fever.
The adverse events that arise during treatment are usually reversible upon cancellation of the drug.
In case of development of skin reactions or fever, it is necessary to stop therapy and inform the attending physician about this, as this may be a manifestation of a hypersensitivity reaction.