Thrush treatment

Hi, welcome to the ehealth forum and I am glad to help you.
You seem concerned with the itching, discomfort and small open sores in the outer region of vagina. A rash in your vaginal area may be caused by irritation of the skin from many sources, such as clothes rubbing against the skin. Rashes that occur without other symptoms are usually minor and often go away with treatment. A common cause is contact dermatitis, that is, contact with a substance that causes irritation or an allergic reaction. Soaps, detergents, shampoos, perfumes, or lotions can cause contact dermatitis. Often the rash from contact dermatitis is very itchy, but it is rarely serious. Changing your soap or detergent may be all you need to do to prevent this type of rash. Other conditions include genital herpes, genital warts, sexually transmitted disease (STD) or an infected hair shaft (folliculitis). Herpes infections are caused by herpes simplex virus (HSV). The herpes sores usually disappear within two to three weeks, but the virus remains in the body for life and the sores may recur from time to time. Severe or frequently recurrent genital herpes is treated with one of several antiviral drugs that are available by prescription. You must consult your doctor for the definitive diagnosis and treatment as the same cannot be made online.
Hope this helps. Take care.
Note: This post is not to emphasise final diagnosis as the same cannot be made online and is aimed just to provide medical information and no treatment suggested above be taken without face to face consultation with health care professional.