When considering taking an antibiotic with Paracetamol during a viral fever, it's important to understand a few key points:

1. Paracetamol (650 mg) is commonly used to reduce fever and relieve pain, and it is generally safe to use during viral infections.

2. Antibiotics are designed to treat bacterial infections, not viral infections. Taking antibiotics unnecessarily during a viral fever is not recommended as it does not help and can contribute to antibiotic resistance.

3. Sometimes, if a doctor suspects a secondary bacterial infection alongside the viral illness, they may prescribe antibiotics. This decision should be made by a healthcare professional.

4. If you are considering taking antibiotics along with Paracetamol, it is best to consult a doctor to ensure it is appropriate for your specific condition.

5. Always follow the prescribed dosage and duration for any medication.

In summary, Paracetamol is safe for managing symptoms of viral fever, but antibiotics should only be taken if prescribed by a doctor after proper evaluation.