[34M] With full body rash and swollen lymph nodes

What might be happening

Based on the information you've provided, possible diagnoses include:

• Scabies: This is a skin infestation caused by a mite known as the Sarcoptes scabiei. It can cause intense itching and a pimple-like rash. The itching is often worse at night and the rash is often found in folds of skin, such as your armpits, between your fingers, on your wrists, and around your waistline. It can also affect your genitals and buttocks. Scabies is spread through close physical contact and can be treated with medications that kill the scabies mites and their eggs.

  • Treatment usually involves medications that kill scabies mites and their eggs. Since scabies is highly contagious, doctors often recommend treatment for entire families or contact groups.

• Allergic Contact Dermatitis: This is a skin reaction caused by contact with a substance you're allergic to. It can cause a red, itchy rash, and you may also have swollen lymph nodes. However, you mentioned that you have not been in contact with any new substances, which makes this less likely.

  • Treatment typically involves avoiding the allergen, using creams to ease the symptoms, and in severe cases, taking oral corticosteroids.

• Drug Rash: This is a skin reaction to a drug you've taken. It can cause a red, itchy rash and swollen lymph nodes. However, you mentioned that you have not started any new medications, which makes this less likely.

  • Treatment involves discontinuing the drug (under the guidance of a healthcare professional), using creams to ease the symptoms, and in severe cases, taking oral corticosteroids.

What you can do

1. Consult a healthcare professional: Given your symptoms, it's important to seek medical attention as soon as possible. They can perform a physical examination, ask further questions, and possibly do some tests to determine the cause of your symptoms.

2. Over-the-counter remedies: In the meantime, you can try over-the-counter remedies to help alleviate the itchiness. These include hydrocortisone cream, calamine lotion, or an oral antihistamine like diphenhydramine (Benadryl).

3. Avoid scratching: As much as possible, try to avoid scratching your skin, as this can lead to further inflammation and possible skin infections.

What you should look out for

• If your symptoms worsen or do not improve within a few days
• If you develop a fever, feel unwell, or notice any pus or discharge from the rash
• If the rash spreads to new areas of your body

Please remember that while I strive to provide accurate information, I'm not a doctor and this advice should not replace a consultation with a healthcare professional.