No,
You don't need to get hospitalised.
Don't worry.
Keep yourself hydrated.
Drink plenty of fluids and ORS.
Tab paracetamol 500mg thrice daily.
Check daily your platelet count and PCV .
No need of antibiotics usually. Take antibiotics only on Doctor's recommendation.
Next Steps
you may consult and share your reports online and discuss further.
Health Tips
In case of bleeding, severe pain abdomen, intractable vomiting, altered sensorium, breathlessness, must get hospitalised.