Can you take 2 tablets of Rytmonorm 150 mg in the morning and 2 in the evening?

Yes, you can dose the drug in this way, it is the right dosage for a person weighing from 70 kg - as recommended by your doctor.
According to the manufacturer: 'During the titration period and in maintenance therapy in patients weighing approximately 70 kg, the recommended daily dose of propafenone hydrochloride is 450 to 600 mg administered in 2 or 3 divided doses. Occasionally, it may be necessary to increase the daily dose of propafenone hydrochloride to 900 mg. In patients with lower body weight, the daily dose should be reduced accordingly. The dose can only be increased after 3 to 4 days of treatment."

"Due to the bitter taste of propafenone and its surface anesthetic effect, film-coated tablets should be swallowed whole (without chewing) with liquid."

Here you can check the availability of the medicine and make a reservation:

https://www.gdziepolek.pl/produkty/68379/rytmonorm-150-tabletki-powlekane/apteki