Your boyfriend may have a severe skin infection that’s spreading. The redness, swelling, and pain—coupled with swollen glands in the groin—indicate that it might be a bacterial infection. To cure this, he may require a course of antibiotics such as penicillin or cephalosporin which can help to fight off the infection. It is important to seek medical attention as soon as possible to avoid further complications.

Staphylococcus aureus often leads to skin infections, boils, and even more serious problems such as bloodstream infections. It's caused by bacteria that may be hard to completely remove from the body. If the usual treatments like augmentin were ineffective in getting rid of the infection, vancomycin recommended by your friend is worth considering. Vancomycin is an antibiotic usually used as a last resort for persistent staph infections, especially those that do not respond to other antibiotics. When using vancomycin, it is important to follow your doctor's advice on dosage and treatment duration. 

For this type of condition, one should consult a dermatologist. The rash may involve several causes, which include allergic reactions and skin infections. In case you have already had STI testing and treatment, the rash should be diagnosed by a specialist.

If you notice some vein-like structures on your penis glans, those are likely just normal blood vessels that have become more visible. You may notice this more during arousal. Usually, it’s not anything to worry about and doesn’t need treatment. However, if they are causing you pain or discomfort, or if they have appeared suddenly, it would be best for you to see a doctor so they can be evaluated further.

Without a physical examination, it is difficult to understand your problem and the cause of it. I advise you to visit a dermatologist for proper diagnosis of your condition. Based on that, he may recommend the right treatment for your problem which can include antibiotic or anti-inflammatory creams. 

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.

Skin conditions that are common to individuals of all ages include acne. It is marked by small bumps on the face and other areas of the body. These bumps are due to blockage of the pores and excessive sebum production. To avoid acne it is necessary to visit a dermatologist who specializes in diseases of the skin. They can prescribe treatments, including creams that you apply directly on the skin or take oral medication as well as other procedures recommended by doctors to make acne go away and not reoccur.

Neither of these treatments is recommended for children under the age of 18. Chemical peels and laser treatments are not permanent skin whitening treatments. These treatments can help to reduce the appearance of dark spots, but they will not permanently lighten the skin.

If you happen to have a high fever with lip blisters and during pregnancy you can't use medicine, rest easy. These come from a virus mostly. Try petroleum jelly ointments or aloe vera to help in wound healing and to keep the area moist. Also, press a cold pack a couple of times a day. Don't forget to drink lots of water and have enough sleep for the body to strengthen and overpower the virus.