What causes a neck rash?

A neck rash can be caused by several factors, including:

- Infections (e.g., bacterial, fungal, viral), such as:

a. Bacterial infections (e.g., impetigo, cellulitis) b. Fungal infections (e.g., ringworm, candidiasis)

c. Viral infections (e.g., measles, chickenpox, mononucleosis)

- Allergic reactions, such as:

a. Contact dermatitis

b. Hives/Urticaria

- Heat related:

a. Heat rash

- Medications or substance-induced.

*If the neck rash has an abrupt onset in association with dizziness, lightheadedness, vomiting, and shortness of breath (difficulty breathing), seek immediate medical assistance (Call 911, or proceed to the nearest ER)*