anyone with an infected blister should consult a doctor immediately. Amputation, cellulitis and sepsis are all likely to result from a serious infection. Please visist a dermatologist, they can determine what treatment would best suit your condition.

Fordyce spots are the glands which are present in everybody. These are normal and atomical structures that are more visible in few people and it is completely normal to have them. First it is advised to avoid treatment for the same. If somebody desires for cosmetic treatment then it can be taken care with radiofrequency ablation or carbon dioxide laser which will remove the glands.

You should be protected since you've had vaccines for both cat and dog scratches. However, if you're still concerned, it's a good idea to consult your doctor to be safe. In addition to the color and swelling, you might also notice the area around the scratch becoming warmer, which could indicate an infection.

The treatment depends on the diagnosis and the cause of rashes and ring marks. Rashes and ring marks can be caused by a variety of reasons such as eczema, allergy, fungal infections etc. I advise you to take your son to a doctor for knowing the exact cause and diagnosis of rashes and ring marks. Based on that, a proper treatment plan can be recommended. 

Your face might seem burnt from too much exposure to the sun, and this can be very uncomfortable. This occurs when the skin gets too much sun without protection. Symptoms can be redness, pain, and maybe blistering. Immediately get into the shade for relief, apply a cool compress, and use aloe vera gel to soothe. Wear sunscreen in future to avoid a repeat of the same.