أعوذ بالله من الشيطان الرجيم

بِسْمِ ٱللَّٰهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ

As Salaamu Alaikum Wa Rahmatullahi Wa Barakatuh,

We hope this answer reaches you in good health and Islamic spirit.

Based on your specific question and information provided.

Based on your religious belief / Aqeeda / Aqidah you can take precaution ( Ihtiyat ).

From the Fiqh / Jurisprudence perspective it is Mubah ( permissible / Optional) for Hashimi.

Syed in Fiqh / Jurisprudence terminology are the descendants of  Hashim ( Hashimi).

In common religious understanding or Aqeeda / Aqidah. Syed / Sayyid  / Sadat are the direct descendants of Muhammad Al-Mustafa (Peace be upon him and his pure Progeny)  thru Sayyida Fatima al-Zahra (sa) . Surah 108 Al-Kawthar.

.اَللّٰهُ أَعْلَم
(Allah(awj) Knows best)
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