Could my non-itchy, persistent foot rash be serious?

To avoid blade cut marks, a new wound should be kept clean and properly covered to minimize scars. When healed, apply scar treatment cream or silicon gel sheets regularly to reduce the appearance of scars. Do not expose the scar to sunlight because the UV rays darken it. For more severe or prominent scars it is necessary to refer them to the dermatologist for professional treatments such as laser therapy and microdermabrasion. For the situations with deep scarring, sometimes a cosmetic revisional surgery might be an option but it is always best to seek advice from a dermatologist on individual basis.

Your skin has lost its radiance. Dullne­ss occurs when your body lacks hydration, rest, or nutrients. Incre­asing water intake, getting prope­r sleep, and consuming fruits and vege­tables can revive your glow. Additionally, ge­ntle exfoliation remove­s dead cells, uncovering re­newed skin underne­ath. Don't neglect sun protection; use­ sunscreen. 

Yes, definitely! Starting iron supplementation can help improve your skin color. Symptoms of low iron, like pallor and fatigue, can show up in your body. Most iron deficiency is due to not getting enough iron in your diet. A balanced diet should include iron-rich foods like spinach and meat. Seek advice from a healthcare professional for suitable recommendations.

Injuries can be the result of heat, chemicals, or sun exposure. Until then, keep the area clean and do not scratch it. The application of aloe vera or honey can help to relieve the scar. With time, it will become less noticeable, but be careful as scars are slow to vanish. It is not enough to wear a hat in the sun, make sure you also avoid getting darkened by it. 

Sulfamethoxazole-trimethoprim also recognized as Bactrim is not usually used in treating chlamydia. This is because it is a bacteria that spreads through intimate contact. This may lead to painful urination, unusual discharge, and sometimes no signs at all. Normally, antibiotics such as azithromycin or doxycycline are used to cure chlamydia. If you suspect that you have the disease, it is important to get tested and treated so as to avoid any further complications.

It seems to be a fungal infection in your left armpit. I suggest you see a dermatologist to look into the rash, and get a medication accordingly. Deodorant should also be avoided as it might make the situation worse.
 

Eczema, shingles, and contact dermatitis are among many reasons for skin rash on the left side near ribs. A dermatologist should be consulted to identify the cause of the rash and receive the right treatment.
 

Acne occurs when the oil and the dead skin cells can no longer exit through the pores, thus they produce pimples. The dark marks left by the acne might be possible. A gentle cleanser that is used twice daily and an oil-free moisturizer every other day can be helpful. Besides, try using the products that contain benzoyl peroxide or salicylic acid to cure acne. 

You may have a hernia. This occurs when internals are pushed through a weak part in a muscle. Although there is no pain now, it should be examined by a doctor. They may advise treatment such as an operation to repair the damage and avoid further problems.