From the cardiovascular system: excessive decrease in blood pressure, incl. orthostatic hypotension, pronounced bradycardia, blockade of the legs of the bundle of His, AV blockade.
From the gastrointestinal tract: dryness of the oral mucosa, gastralgia, nausea.
From the nervous system: headache, dizziness, asthenia, fatigue, fainting.
From the immune system: allergic reactions (local or generalized exanthema, urticaria).
Other: bronchospasm, increased contractility of myometrium, increased sweating, chills.