"Why Do I Have Tiny, Itchy Blisters All Over My Hands?"

The presence of numerous itchy small blisters on the hands may be caused by conditions such as eczema, dyshidrotic eczema, hand dermatitis, herpes zoster, etc. It is recommended to seek medical advice and receive targeted treatment based on the underlying cause. Details are as follows:

1. Eczema:

Exposure to certain allergens, such as sunlight, seafood, or medications, can trigger hand eczema, manifested as numerous small itchy blisters. Short-term application of creams like mometasone furoate cream, fluticasone propionate cream, hydrocortisone butyrate cream, combined with oral antihistamines like cetirizine or loratadine, is recommended.

2. Dyshidrotic Eczema:

Dyshidrotic eczema is a type of vesicular skin condition characterized by numerous small itchy blisters. Topical application of desonide cream and oral administration of medications like loratadine or ebastine can be effective, with prednisone reserved for severe cases.

3. Hand Dermatitis:

Fungal infections of the hands can also lead to numerous small itchy blisters. Antifungal treatments such as ketoconazole cream, terbinafine cream, bifonazole cream, or ciclopirox olamine ointment can be prescribed.

4. Herpes Zoster:

Caused by the herpes virus, herpes zoster also presents with numerous small itchy blisters. Antiviral medications like acyclovir, valacyclovir, famciclovir, or foscarnet sodium can be prescribed.