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.

Yes, cysts and papules can be treated with various treatments such as  antibiotics, topical creams, laser treatments and surgery.  I advise you to consult a qualified doctor. Based on proper assessment of your problem, he may be able to suggest the most appropriate treatment for your pimples. 

Melasma is a skin condition that can be managed and treated, it may not be completely curable or permanently eradicated.

Herpe­s is a common virus. It causes itchy, painful sores. The­se blisters often appe­ar around your mouth or private parts. You can get it through close contact. He­rpes may seem bad, but doctors can give­ you antiviral medicine. Using protection during se­x helps prevent spre­ading it too. Good hygiene habits are also ke­y. 

It seems that dandruff might be one of the conditions. The main symptom of dandruff is itching, and white particles of skin can be seen on hair. Sometimes, this condition might also produce red patches on the face, especially around the hairline area. The pathogen fungi on your scalp cause dandruff. For example, choose a shampoo that is specifically designed for dandruff. In particular, washing hair regularly along with the stress management procedure may also be beneficial for you.

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.

There are a few products available to help with dandruff. Better to use those that contain selenium sulfide, zinc pyrithione, or ketoconazole. These ingredients are known to help reduce dandruff. Avoid styling products that contain alcohol, as these can dry out and irritate the scalp. Talk to your doctor about any underlying conditions it could be a sign of an infection or other medical condition.

If you put salt (NaCl) on a cut it may hurt a bit. The reason for this is that salt is able to kill germs. Therefore if you rub salt in a wound it will only be painful temporarily. If it hurts too much or continues hurting for too long, rinse the area with water. An application of a mild ointment has the ability to protect broken skin.