Like all medicines, this medicine can cause side effects, although not everybody gets them.
Some of these effects may be serious and may require medical attention.
As with similar medicines, rare cases of allergic skin reactions (rash, urticaria), as well as localized swelling of the face, lips and/or tongue have been reported in patients taking irbesartan. If the patient gets any of these symptoms or get short of breath, stop taking Irbegen and contact the doctor immediately.
The frequency of the side effects listed as follows is defined using the following convention: Very common: may affect more than 1 in 10 people; Common: may affect up to 1 in 10 people; Uncommon: may affect up to 1 in 100 people.
Side effects reported in clinical studies for patients treated with Irbegen were: Very common (may affect more than 1 in 10 people): if suffering from high blood pressure and type 2 diabetes with kidney disease, blood tests may show an increased level of potassium.
Common (may affect up to 1 in 10 people): dizziness, feeling sick/vomiting, fatigue and blood tests may show raised levels of an enzyme that measures the muscle and heart function (creatine kinase enzyme). In patients with high blood pressure and type 2 diabetes with kidney disease, dizziness when getting up from a lying or sitting position, low blood pressure when getting up from a lying or sitting position, pain in joints or muscles and decreased levels of a protein in the red blood cells (haemoglobin) were also reported.
Uncommon (may affect up to 1 in 100 people): heart rate increased, flushing, cough, diarrhoea, indigestion/heartburn, sexual dysfunction (problems with sexual performance), chest pain.
Some undesirable effects have been reported since marketing of Irbegen. Undesirable effects where the frequency is not known are: feeling of spinning, headache, taste disturbance, ringing in the ears, muscle cramps, pain in joints and muscles, abnormal liver function, increased blood potassium levels, impaired kidney function, and inflammation of small blood vessels mainly affecting the skin (a condition known as leukocytoclastic vasculitis). Uncommon cases of jaundice (yellowing of the skin and/or whites of the eyes) have also been reported.
Reporting of side effects: If the patient gets any side effects, talk to the doctor or pharmacist. This includes any possible side effects not mentioned. The patient can also report side effects directly via the national reporting system. By reporting side affects the patient can help provide more information on the safety of this medicine.