One of the most frequent concerns facing people is the openness of the pores. Open pores can cause rough and uneven skin. The causes of these pores usually include genetics, oiliness, sunburn, and even old age. One of the ways to decrease the face of open pores is to use salicylic acid or retinoids for day and night skin treatment. Regular cleansing of your face followed by application of sunscreen can also be helpful. 

Skin melanin treatment surgery can be harmful in the long run so I suggest not to go for it. You can try other treatments like chemical peels or dermabrasion instead. These treatments can help lighten the skin and are not harmful in the long run. Also using moisturizer and sunscreen can help.

It is uncommon, that Bactrim might cause a yeast infection. This happens because the good and bad bacteria equilibrium in the body can be tipped by Bactrim thus allowing yeast to thrive. Among the symptoms are itching, redness, and a thick discharge. Probiotics and antifungal medicines can be used to cure this. It’s also a good idea to talk with your doctor about other possible medications.

Initially, please consult with your parents. They may advise you some natural remedies or take you to a dermatologist. The dermatologist may suggest the best treatment for you depending on your age and skin type. Some natural remedies you can try for managing your pigmentation include applying a mask or use of a gentle exfoliator. 

It’s normal for your skin not to have an immediate breakout when you quit using a salicylic acid cleanser. Different people have different experiences with purging. A niacinamide serum may be beneficial in clearing your skin. Reducing redness and improving skin texture are some of the things niacinamide can do. Ensure you follow the directions on the package and be patient for results.

I suggest you to talk to your doctor about your mother's condition. Based on your mother's condition, he may suggest some different medicine or treatment. And for blisters, making certain lifestyle changes like eating healthy food, taking rest and avoiding certain triggers can prove helpful.