Thank you for your query,
Whenever doctor prescribes antibiotic course, it should be given for the complete duration.
If not given, it will lead to ineffective dosage and drug resistance
The nose bleed is due to bleeding from a weak portion of the nose and is usually due to cold
or nose pricking in children.
Press that side of nostril
to stop bleeding for 1 to 2 minutes.
Hope I have answered your query.