Yes, Asentra can affect your blood pressure. Among the side effects, both hypertension and hypotension are mentioned as rare. If you do not feel any discomfort related to this, there is no reason to worry. If you experience dizziness or fainting, for example, you should consult a doctor. Side effects should also be reported individually - more on how and why to do it here:

https://www.gdziepolek.pl/artykuly/jak-i-dlaczego-zglaszac-dzialania-niepozadane

If necessary, you can arrange a teleconsultation with a doctor here:

https://www.gdziepolek.pl/telekonsultacja

Here you can check the availability of the drug in pharmacies and make a reservation:

https://www.gdziepolek.pl/produkty/7628/asentra-tabletki-powlekane/apteki

I recommend the article:

https://www.gdziepolek.pl/kategorie/leki-na-niskie-cisnienie-niedocisnienie