My daughter is 15 months old and she had a injury, the injury was not very deep there is small cut on her forhead we spoke to pediatrician over the videocall, he said its minor injury she is allergic, and suggested megaheal or Arnica gel and savlon. We applied it but after 2 days she had an allergy when i applied arnica gel( homeopathic ). What should I do and very worried of I can't go out because in my house my in laws are covid positive. Please help me out.