Your nose turns red. This is also known as flushing.
This can be caused by stress or anxiety.
Medications like inderal ( propranolol), clonidine or SSRI antidepressants may be helpful ( przac, zoloft).
Topical cream wise, you can try applying. sulfacetamide ( rosanil wash, plexion etc.) or metronidazole gel to reduce the flushing.
You need to see a dermatologist.
No, the creams require prescription.