Side effects reported with Neurobion Advance include nausea, vomiting, diarrhoea, abdominal pain, among m.in others.

Muscle weakness, reflexes, numbness of the limbs may be a symptom of an overdose of the drug after taking the preparation in a dose of more than 1 tablet per day for more than 6 months.

If the ailments persist, I encourage you to consult a doctor. You can also take advantage of a paid teleconsultation in Polish arranged e.g. via the Gdziepolek.pl portal:

https://www.gdziepolek.pl/telekonsultacja

I also encourage you to report any side effects of the drug. Reporting side effects allows you to increase control over commercially available medicines. We wrote more about how and why to report side effects in the article:

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

Neurobion Advance is available in online and brick-and-mortar pharmacies. Choosing the offer of an online pharmacy allows you to compare prices and order the preparation with home delivery or personal collection in a selected pharmacy:

https://www.gdziepolek.pl/produkty/119427/neurobion-advance-tabletki-powlekane/apteki

In cities such as Warsaw, Wrocław, Katowice, Krakow, Lublin, Gdańsk, Łódź, Szczecin, Piaseczno, Poznań and Chorzów, products can be ordered with instant delivery even in 1 hour thanks to the Wolt Drive service.

- check if the service is available in your location:

https://www.gdziepolek.pl/koszyk/szybka-dostawa?src=zf