Roseaca on my nose?

Maybe. Rosacea can cause changes on the nose. These include flushing, persistent redness, spider veins, bumps and pimples. It can also cause rhinophyma, sometimes referred to as wc fields nose, characterized by skin thickening and enlargement of the nose. See a dermatologist to help determine if the changes you're observing are due to rosacea or some other cause.
Sure. Rosacea certainly may involve the skin of the nose. Several types of rosacea may involve the face and nose and treatment varies depending on type and severity. It is important to see a dermatologist because other medical conditions can be confused with rosacea.
Rosacea. Rosacea is a persistent nuisance for those who have it. It is basically an adult form of acne concentrating around the nose and cheek areas. It is usually treated with the same medications as for acne (benzoyl peroxide, retin-a, Cleocin (clindamycin phosphate) topical and/or oral antibiotics). A newer medication that has been pretty successful is Metrogel topical.