Hello,
One possibility for your redness of nose is dermatitis or rosacea. Rosacea is a cutaneous disorder of the central part of the face , such as forehead, cheeks, nose and chin. Pimples or acne are sometimes included as part of the definition.
Apply calamine lotion and topical steroids and avoid messing with it. If the symptoms persist then please consult a dermatologist. Also try avoiding the rosacea triggers. It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.