Dr. Penzi explains that hot tubs can cause what is known as gram-negative bacterial folliculitis, or "hot tub folliculitis." She adds, "This condition results from the bacteria Pseudomonas aeruginosa.

For gram-negative folliculitis, which is caused by Pseudomonas, certain antibiotics such as ciprofloxacin are used. Pityrosporum folliculitis, caused by yeast, is treated with topical or oral ...

Gram-negative folliculitis leads to large, pus-filled pimples in the deep layers of the skin. If people squeeze or pop these pimples, they may develop scars.

Pityrosporum folliculitis: This folliculitis has red, itchy pustules on the back and chest, caused by a yeast infection. Gram-negative folliculitis: This type usually occurs in people getting long ...

Gram-negative folliculitis (GNF) is one of the most common mimics and complications of acne and acne rosacea. First described by Fulton in 1968, 1 GNF in acne patients is a relatively rare ...

Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls.

The differential diagnosis of acne includes eosinophilic pustular folliculitis (most closely associated with HIV infection), gram-negative folliculitis (GNF), perioral dermatitis, sebaceous ...

If you’ve noticed small red bumps around your scalp or anywhere that hair grows, no need to sound the panic alarm just yet. You might be dealing with folliculitis, a very common infection of the ...