No, donating blood is generally considered permissible and even commendable in Islam.
While there isn't a direct verse in the Quran explicitly mentioning blood donation, Islamic teachings emphasize the importance of saving lives and helping others in need. This principle is often used to justify and encourage blood donation.
Many Islamic scholars and authorities support blood donation, viewing it as an act of charity (Sadaqah) and compassion. They argue that donating blood aligns with Islamic values of altruism, helping those in need, and preserving life. The act of donating blood can potentially save a life, which is highly valued in Islamic teachings.
However, there might be some conditions or considerations depending on individual interpretations and circumstances. Some scholars may advise Muslims to ensure the blood is used for permissible purposes and not for anything that contradicts Islamic principles. Consulting with a knowledgeable religious figure can provide further clarification if needed.
In conclusion, blood donation is widely accepted and encouraged in Islam as a virtuous act that can save lives and benefit society.