Hello, Tingling hands, feet, or both is an extremely common and bothersome symptom. Such tingling can sometimes be benign and temporary. For example, it could result from pressure on nerves when your arm is crooked under your head as you fall asleep. Or it could be from pressure on nerves when you cross your legs too long. In either case, the pins and needles effect -- which is usually painless -- is soon relieved by removing the pressure that caused it. In many cases, however, tingling in the hands, feet, or both can be severe, episodic, or chronic. It also can accompany other symptoms. such as pain, itching, numbness, and muscle wasting. In such cases, tingling may be a sign of nerve damage, which can result from causes as varied as traumatic injuries or repetitive stress injuries, bacterial or viral infections, toxic exposures, and systemic diseases such as diabetes. Such nerve damage is known as peripheral neuropathy because it affects nerves distant from the brain and spinal cord, often in the hands and feet. There are more than 100 different types of peripheral neuropathy. Over time, peripheral neuropathy can worsen, resulting in decreased mobility and even disability. More than 20 million Americans, most of them older adults, are estimated to have peripheral neuropathy. It s important to seek prompt medical evaluation for any persistent tingling in your hands, feet, or both. The earlier the underlying cause of your tingling is identified and brought under control, the less likely you are to suffer potentially lifelong consequences. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr. Amisha Mirchandani, Homeopath