* There are side effects, the incidence of which is comparable to placebo.
The association of side effects occurring with a frequency of less than 1% of cases with the use of losartan is not proven.
From the nervous system and sensory organs: 1% and more - dizziness, asthenia, headache, fatigue, insomnia; less than 1% - anxiety, sleep disturbance, drowsiness, memory disorders, peripheral neuropathy, paresthesia, hyposthenia, migraine, tremor, ataxia, depression, syncope, ringing in the ears, taste disturbance, vision change, conjunctivitis.
From the respiratory system: 1% and more - nasal congestion, cough *, upper respiratory tract infections (elevated body temperature, sore throat, sinusopathy *, sinusitis, pharyngitis), less than 1% - dyspnoea, bronchitis, rhinitis.
On the part of the organs of the gastrointestinal tract: 1% or more - nausea, diarrhea *, dyspeptic phenomena *, abdominal pain; less than 1% - anorexia, dry mouth, toothache, vomiting, flatulence, gastritis, constipation.
From the musculoskeletal system: 1% and more - convulsions, myalgia *, pain in the back, chest, legs; less than 1% -artralgia, shoulder pain, knee, arthritis, fibromyalgia.
From the cardiovascular system: Orthostatic hypotension (dose-dependent), palpitations, tachy- or bradycardia, myocardial infarction, marked decrease in arterial pressure, atrioventricular blockade of degree II, arrhythmias, angina.
From the genitourinary system: less than 1% - mandatory urination, urinary tract infections, impaired renal function, weakened libido, impotence.
From the skin: less than 1% - dry skin, erythema, rush of blood, photosensitization, increased sweating, alopecia.
Allergic reactions: less than 1% - urticaria, skin rash, itching, angioedema, incl. face, lips, throat and / or tongue.
Other: hyperkalemia (potassium serum more than 5.5 mmol / l), anemia, less than 1% - fever, gout, increased activity of "liver" transaminases, hyperbilirubinemia.