Itchy red dots on the feet is considered to be insect bite dermatitis, sweat herpes, etc., most of the local topical medication-based, the symptoms are obvious need to take oral medication at the same time. 1. Insect bite dermatitis: mosquito bites will inject secretions into the skin, causing an allergic reaction, resulting in red dots on the bite site. You can follow the doctor’s instructions to use glycerine lotion, hydrocortisone butyrate ointment and other medications, itching significant need to take oral loratadine and other drugs to stop itching. 2. Sweat herpes: belongs to the special type of eczema, preferred in the palm and metatarsal and fingers (toes) side edge, the onset of the initial stage is usually a small blisters, blisters will be naturally absorbed to reveal the red new skin, like a small red dot. It can be treated by local application of glucocorticoid drugs such as halometasone cream, dexamethasone ointment and tacrolimus ointment. Itchy red dots on the feet is recommended to go to the hospital in a timely manner, early formal treatment, if you need to use medication should be strictly comply with the doctor’s instructions.