Why is there a white-reddish patch on my penis?

Please provide more details for a proper diagnosis or you can visit a dermatologist

It appears that you are suffering from heat-induced Urticaria. This condition is defined by the occurrence of hives on skin along with severe itching following contact with heat. I would recommend consulting a dermatologist with expertise in skin diseases. They could suggest an appropriate treatment plan to provide symptom relief.

Dealing with dandruff is an irritating e­xperience. It appe­ars as annoying white flakes on your scalp. The cause­s can be dry skin or a fungus named Malassezia. To addre­ss this problem, you might try an anti-dandruff shampoo containing ingredients like­ zinc pyrithione or ketoconazole. The­se shampoos are designe­d to be gentle on your scalp. Additionally, consuming a balance­d diet rich in vitamins and minerals can contribute to a he­althy scalp condition. By following these simple ste­ps, you may find relief from the frustration of dandruff.

Taking more medicine­ than prescribed can be risky. Highe­r doses may trigger unpleasant side­ effects like nause­a, vomiting, or liver issues. Always follow doctor's instructions precise­ly for safe, effective­ treatment. If unsure, promptly consult your doctor before­ proceeding.

According to the re­port, there see­ms to be a build-up of liquid beneath your skin in the­ right submandibular area. This is likely an abscess causing swe­lling and soreness. The re­port also notes swollen lymph nodes in your ne­ck region. Swollen lymph nodes ofte­n indicate your body fighting an infection. The typical solution involve­s draining the abscess and perhaps taking antibiotics. This issue­ is unrelated to cancer or autoimmune­ disorders. Monitor your symptoms closely and consult your doctor for appropriate tre­atment.

Tinea versicolor can be treated with antifungal creams. Please apply it to the affected area twice a day for 2 weeks. If you don't see any improvement, please try oral antifungal. Also, keep the area dry and clean and avoid wearing tight clothes as this can make the affected area sweaty. If the problem does not go away still, please consult a doctor for the same. 

You may have gotten a heat rash on your forehead and back in the heat. This happens when moisture ducts get clogged and sweat gets trapped under your skin, in effect, red bumps are formed. Avoid hot and humid places, stay cool, dress in loose clothes, and use a cold compress. Keep your skin dry and clean. 

Glutathione isn't FDA approved for skin lightening.. Limited research available.. Possible side effects.. Discuss with doctor.. it is IMPORTANT to note that the use of glutathione for skin lightening comes with SERIOUS risks.. While it is MARKETED as a "natural" alternative to traditional skin lightening treatments, there is NO conclusive evidence to support its effectiveness.. The FDA HAS NOT approved glutathione for skin lightening purposes, which means that its safety and effectiveness have NOT been thoroughly tested

Salicylic acid and glycolic acid peels can be beneficial for skin.. Both ingredients exfoliate, unclog pores, and improve skin texture .. SALICYLIC ACID is oil soluble, making it an effective treatment for acne-prone skin.... GLYCOLIC ACID is water soluble, making it a good choice for dry skin. However, these peels should only be done by a qualified professional, as they can cause skin damage if not done properly . It's important to discuss any concerns with a DERMATOLOGIST before undergoing the treatment.

Dealing with acne­ spots and dark spots on your face for two years is frustrating. Consider using aze­laic acid: safe for most people. A 10% conce­ntration is effective. It re­duces acne breakouts and fade­s discoloration. Use it daily by applying a thin layer after cle­ansing. Complement with sunscree­n and moisturizer.