Consider using antiperspirants, prescription creams, iontophoresis, Botox injections, medications, or even surgery in severe cases. A few changes like wearing breathable fabrics and using absorbent insoles can also help.

Acne occurs when you have these red spots on your face caused by your skin producing too much oil. It's super common, especially during the teenage years. To help, you can use a face wash with benzoyl peroxide or salicylic acid. These can clear up your skin by unclogging your pores.

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. 

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. 

A canker sore­ might trouble your mouth. They are small, round, and painful sore­s. Stress, spicy foods, or biting your cheek can cause­ them. Try over-the-counte­r rinses or gels to ease­ pain and speed healing. Soft foods are­ better; avoid spicy or acidic ones. Give­ it time - around one or two wee­ks - and it should disappear on its own.

Pimples, acne, and tan are usual skin problems. Red bumps are the assets of the pimple, while a bunch of pimples adds up to a pimple. They are the result of both oily skin and dirt on it. The face can be washed twice a day to achieve this. Implements such as benzoyl peroxide can be used to cure them. Tan is dark skin which is the result of the sun. Using sunscreen can prevent this. Getting rid of the tan takes time, use the skin-lightening creams or laser treatments instead.

You have a fungus infection of the head of the penis. Fungal infections occur in hot, moist areas. The signs of redness, itching as well as an unusual discharge. To get rid of it, the area should be kept clean and dry, loose clothing should be worn and antifungal cream should be used.

The forehead and chin acne breakout is a skin disorder resulting from blocked pores caused by excessive oil production. I recommend that you see a dermatologist to receive proper diagnosis and treatment. Based on the level of your acne, they might suggest topical adjuvants or oral medications.