Hi Emma, Thanks for using HCM.
The red rash
for a year may be due to infection (fungal) or hormonal
or due to chronic irritation. Is there any other symptom with the rash? How is it look like, any pain, swelling, irritation, itching, temperature change, elevated border, any palpable lymph
nodes. Kindly explain about it and if you can put the photograph of it, it will be easy for us to diagnose and manage you. revert back with the above mentioned.
Feel free to ask me if you have any queries.
Wish you good health. Take care.