Yes, she can take Wikoryl 10 for cold symptoms — it does not interfere with the effect of Unwanted 72.
Since intercourse was on the 5th day of periods and emergency pill was taken, pregnancy risk is already very low. The 2 days of bleeding is likely withdrawal bleeding, which is expected.
Next Steps
No need to worry right now
Do a urine
pregnancy test only if periods are delayed by >7 days
Health Tips
Periods may come earlier or later after i-pill — this is normal.