Bug bites from ant-like insects cause swelling and itching.

Bumps and itching after being bitten by ant-like insects may be caused by insect bite dermatitis, allergic dermatitis, chronic eczema, or other reasons. Treatment should be based on the specific cause. The details are as follows:

1. Insect Bite Dermatitis

After an insect bite, toxins may be released, triggering an allergic reaction that causes hard bumps in the affected area along with itching. Under medical guidance, treatments may include topical use of compound camphor cream or fluticasone propionate cream.

2. Allergic Dermatitis

This is usually caused by unintentional contact with allergens such as dust or mites, leading to skin bumps and itching. With a doctor's advice, medications such as ebastine tablets or topical cyproheptadine cream can be used.

3. Chronic Eczema

Caused by local irritation or contact allergens, this condition may cause certain skin damage, resulting in bumps and pain. Under medical supervision, topical treatments such as desonide cream or tacrolimus ointment may be applied.

In addition to the above causes, similar symptoms might also result from sebaceous cysts, lipomas, or fibromas. Pay attention to dietary adjustments and avoid consuming irritating foods.