You should rest, stay well hydrated, and avoid solid foods temporarily if you have loose motions along with headache and fever. These symptoms may indicate an infection like a viral gastroenteritis or other illness needing medical evaluation.

🩺 Immediate Steps to Take

• Drink plenty of fluids such as oral rehydration solutions, clear soups, or water to prevent dehydration.
• Avoid heavy, spicy, or oily foods; start with bland foods like khichdi or boiled rice once appetite returns.
• Take paracetamol (acetaminophen) for fever and headache if you have no contraindications.

⚠️ When to Seek Medical Care

• If fever persists beyond 2 days or is very high.
• If loose motions are severe, frequent, or contain blood.
• If you experience signs of dehydration like dizziness, dry mouth, or reduced urine output.

It is important to consult a general physician promptly to identify the cause and get appropriate treatment. If symptoms worsen or you feel very unwell, seek urgent care immediately.To narrow down potential causes, we will need some more information.To assist you better, could you please provide your age and gender?