Treatments for itching (Pruritis) / Jock itch (Tinea cruris) / Rectal Itching (Pruritis Ani)

What causes itching?

General causes of itching

Causes of itching are numerous including:

Lack of hygiene
Allergies / allergic reaction from:
- Diet. E.g. dairy, caffeine, carbonated drinks, acidic or spicy foods
- Scented soaps / lotions / powders
- Pet dander
Or even no obvious cause . . .

Rectal / Anal itching (Pruritis ani)

More common in men, affecting up to 5% of people. May worsen at night.

Some specific causes include:

Lack of hygiene after pooping (most common cause)
Candida / Yeast infections (fungal infections). May originate from the vagina in women.
Hemorrhoids (internal or external). May affect ability to clean the area after pooping or soil the anal area (internal hemorrhoids can bleed) causing irritation.
Anal tears. Caused by various activities including anal sex, constipation, excessive diarrhea
HPV (human papilloma virus) / Genital warts
Pinworms. Common in children. These tiny white / gray worms are parasites residing in the intestines that crawl out of the anus at night to lay their eggs. Easily got rid of with a mebendazole prescription from your doctor plus thorough cleaning of clothes, bedding and home.
Tight-fitting or synthetic underwear. Allows anal area to get damp, Cotton absorbs moisture

Jock itch (Tinea cruris)

Jock itch is a fungal infection in the groin. An overgrowth of normally problem-free fungi that live in the area, called dermatophytes. Their proliferation occurs with excessive moisture in the groin: