Symptoms Beginning With H

10 symptoms in this guide begin with the letter H. Every name links to a plain-language page covering what the symptom can feel like, the conditions it can be associated with, its red flags, and what a clinician may do.

A B C D E F G H I J K L M N O P R S T U V W

SymptomCategoryWhat it can feel like
Hair lossSkinHair loss covers several distinct patterns: gradual thinning over the crown or temples, round bald patches, heavy shedding after illness or childbirth, and hair loss…
HeadacheHead & SensesA headache is pain in the head or upper neck, ranging from a dull background ache to a disabling throbbing attack. Headaches are extraordinarily common and usually arise…
Hearing lossHead & SensesHearing loss means sounds seem muffled, distant or unclear — asking people to repeat themselves, turning the television up, struggling in background noise. It may affect…
HeartburnDigestiveHeartburn is a burning feeling rising from the upper stomach behind the breastbone, often after meals, when lying flat or bending, sometimes with an acid taste in the…
Heavy periodsWomen's HealthHeavy periods means menstrual bleeding that interferes with life — soaking through protection hourly, passing large clots, flooding, needing double protection, or…
Heel painMuscles & JointsHeel pain is most often felt under the heel, worst with the first steps after rest — getting out of bed in the morning is classic — easing as you get moving, then aching…
Hip painMuscles & JointsHip pain is usually felt in the groin or front of the thigh when it truly comes from the hip joint; pain on the outer side of the hip is more often the tendons and fluid…
HivesSkinHives (urticaria) are raised, itchy welts — pale or red bumps with a pale centre — that appear suddenly, move around, and individually fade within hours, though new ones…
Hoarse voiceHead & SensesA hoarse voice sounds rough, croaky, strained or breathy, and may tire or give out altogether. Short hoarseness with a cold is laryngitis — inflamed vocal cords — and…
Hot flushesWomen's HealthHot flushes are sudden waves of heat rising through the chest, neck and face, with flushing, sweating and sometimes palpitations, lasting seconds to a few minutes, often…
Please note: This page is educational information about a symptom. A symptom alone cannot diagnose any condition, and the causes listed here are possibilities, not a diagnosis. If you are worried about a symptom — especially one that is new, severe, getting worse or not going away — please see your own clinician, who can examine you and arrange tests. In an emergency, call your local emergency number.