Next to the navel itchy, red pimples, consider mosquito bites, folliculitis, eczema and other causes, should be promptly to the hospital to clarify the cause of the disease. 1. Mosquito bites: Itchy navel next to the red pimples may be caused by mosquito bites, especially in summer mosquitoes more cases, you can use mosquito nets to prevent mosquitoes. 2. Folliculitis: folliculitis is an inflammatory disease caused by bacterial infection, folliculitis may be manifested as itching next to the navel, red acne symptoms. Folliculitis can be treated with medication as prescribed by the doctor, including minocycline hydrochloride capsules or doxycycline hydrochloride capsules. 3. Eczema: Eczema may be clinically manifested as itching and red pimples next to the navel. Eczema can be treated with medication as prescribed by the doctor, including loratadine capsules. If you feel unwell, you should go to the hospital in time, so as not to delay the condition, or cause adverse reactions.