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THE MERCK MANUAL MEDICAL LIBRARY: The Merck Manual of Medical Information--Home Edition
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pH

pH

What Is the Blood pH?Sidebar

  • blood

  • Acid-Base Balance
    Blood Tests Tables

  • esophageal

  • Diagnosis: Intubation of the Digestive Tract
    Gastroesophageal Reflux (GERD): Diagnosis
    Gastroesophageal Reflux: Diagnosis

  • vaginal

  • Vaginal Infections

    Phagocytes

    Understanding the Immune SystemSidebar
    Nonspecific Immunity: Macrophages
    Strategies for AttackSidebar

  • in lung

  • Defense Mechanisms

    Phagocytosis

    Understanding the Immune SystemSidebar
    Nonspecific Immunity: Macrophages
    Strategies for AttackSidebar

    Phallus

    see Penis

    Phantom limb

    Specific Problems: Pain

  • pain in

  • Types: Phantom Limb Pain
    Pain

    Pharmacist, communication with

    Adherence to Drug Treatment: Improving Adherence

    Pharmacodynamics

    Drug Dynamics

    Pharmacokinetics

    Administration and Kinetics of Drugs

    Pharmacological stress testing

    Diagnosis: Exercise Stress Testing
    Diagnosis: Radionuclide Imaging

    Pharyngitis

    see also Sore throat

  • in children

  • Pharyngitis

  • at high altitudes

  • Other Illnesses That Develop at High AltitudesSidebar

    Pharynx

    see Throat

    Phencyclidine

    Phencyclidine (PCP)

    Phendimetrazine

    Obesity: Drugs

    Phenobarbital

  • during breastfeeding

  • Taking Drugs While BreastfeedingSidebar

  • in elderly persons

  • Some Drugs With Increased Risk for Older People Tables

  • folic acid deficiency with

  • Folate: Folate Deficiency

  • during pregnancy

  • Some Drugs That Can Cause Problems During PregnancyTables

  • in seizure disorders

  • Drugs Used to Treat SeizuresTables

  • warfarin interaction with

  • Drug Interactions: Alteration

    Phenol burns

    When Chemicals Burn the SkinSidebar

    Phenotype

    Chromosomes and Genes

    Phenoxybenzamine

    Pheochromocytoma: Treatment

    Phentermine

    Obesity: Drugs

    Phentolamine

    Erectile Dysfunction (ED): Drug Treatment

    Phenylephrine

    Symptoms: Bronchodilators, Corticosteroids, Antihistamines, and Decongestants
    Nonprescription Cold RemediesTables

    Phenylketonuria (PKU)

    Amino Acid Metabolism: Phenylketonuria

    Phenytoin

  • folic acid deficiency with

  • Folate: Folate Deficiency

  • gingivitis and

  • Gingivitis: Drug-Induced Gingivitis

  • during pregnancy

  • Some Drugs That Can Cause Problems During PregnancyTables

  • in seizure disorders

  • Drugs Used to Treat SeizuresTables

  • selective IgA deficiency with

  • Selective Antibody Deficiency

    Pheochromocytoma

    Pheochromocytoma

  • high blood pressure in

  • High Blood Pressure: Symptoms
    High Blood Pressure: Diagnosis of Cause

  • in multiple endocrine neoplasia

  • Multiple Endocrine Neoplasia Syndromes: Type 2A Disease

    Pheomelanin

    Hair Disorders

    Pheromones

    External Genital Organs

    Philadelphia chromosome

    Chronic Myelocytic Leukemia (CML): Symptoms and Diagnosis

    Phimosis

    Inflammation of the Penis

    Phlebitis

    Occlusive Peripheral Arterial Disease: Symptoms
    Superficial Thrombophlebitis

    Phlebotomy (bloodletting)

  • in hemochromatosis

  • Hemochromatosis: When Iron AccumulatesSidebar

  • in polycythemia

  • Polycythemia Vera: Prognosis and Treatment

  • in porphyria

  • Porphyria Cutanea Tarda: Treatment

    Phlegm (sputum)

    Symptoms: Evaluation

  • blood in

  • Symptoms: Hemoptysis

  • in bronchitis

  • Bronchitis: Symptoms
    Bronchitis: Diagnosis

  • in COPD

  • Chronic Obstructive Pulmonary Disease (COPD): Symptoms

  • for lung cancer screening

  • Cancer Screening Recommendations Tables

  • in tuberculosis

  • Tuberculosis (TB): Diagnosis

    Phobias

    Phobic Disorders
    Some Common Phobias Tables

  • school

  • School Problems

    Phoenix House

    Opioids: Detoxification and Rehabilitation

    Phoria

    Strabismus

    Phoropter

    Diagnosis: Refraction

    Phosgene

    Gas and Chemical Exposure

    Phosphatase (alkaline)

    Cholestasis: Diagnosis
    Blood Tests Tables

    Phosphodiesterase inhibitors

    Erectile Dysfunction (ED): Drug Treatment

    Phosphorus and phosphate

    Minerals Tables
    Phosphate

  • high blood levels of (hyperphosphatemia)

  • Phosphate: Hyperphosphatemia

  • in kidney failure

  • Chronic Kidney Failure: Treatment

  • kidney regulation of

  • Kidneys: Secretion of Hormones

  • low blood levels of (hypophosphatemia)

  • Phosphate: Hypophosphatemia

  • rickets and

  • Hypophosphatemic Rickets

  • radioactive

  • Polycythemia Vera: Prognosis and Treatment

  • reference range for

  • Blood Tests Tables

    Photoallergic contact dermatitis

    Dermatitis: Contact Dermatitis

    Photodynamic therapy

  • in angioma

  • Using Lasers to Treat Skin ProblemsSidebar

  • in esophageal cancer

  • Esophageal Cancer: Prognosis and Treatment

  • in macular degeneration

  • Age-Related Macular Degeneration (ARMD): Treatment

    Photophobia

    Symptoms: Light Sensitivity

    Photoreceptors

    Structure and Function

  • electroretinography of

  • Diagnosis: Electroretinography

    Photorefractive keratectomy

    Refractive Disorders: Photorefractive Keratectomy (PRK)

    Photosensitivity

    Photosensitivity Reactions

  • drug-related

  • Drug Rashes
    Photosensitivity Reactions: Chemical Photosensitivity
    Some Substances That Sensitize the Skin to SunlightSidebar

  • in pellagra

  • Niacin: Symptoms

  • in porphyrias

  • Porphyrias
    Erythropoietic Protoporphyria

    Phototherapy

    Phototherapy: Using Ultraviolet Light to Treat Skin DisordersSidebar

  • for atopic dermatitis

  • Dermatitis: Diagnosis and Treatment

  • for granuloma annulare

  • Granuloma Annulare

  • for hyperbilirubinemia

  • Hyperbilirubinemia: Treatment

  • for lichen planus

  • Lichen Planus: Prognosis and Treatment

  • for manic-depressive illness

  • Manic-Depressive Illness: Prognosis and Treatment

  • for psoriasis

  • Psoriasis: Phototherapy

  • for seasonal affective disorder

  • What Is Seasonal Affective Disorder?Sidebar

  • for vitiligo

  • Vitiligo: Treatment

    Phototoxic contact dermatitis

    Dermatitis: Contact Dermatitis

    Phycomycosis

    Mucormycosis

    Phylloquinone

    Vitamin K

    Physical activity

  • atherosclerosis and

  • Atherosclerosis: Physical Inactivity

  • cholesterol lowering with

  • Hyperlipoproteinemia: Treatment

  • in healthy lifestyle

  • Tools of Prevention: Healthful Lifestyle

  • in heart disease

  • Symptoms: Limitation of Physical Activity

  • obesity and

  • Obesity: Causes

    Physical allergy

    Physical Allergy

    Physical examination

  • in child's preventive care

  • Preventive Health Care Visits

  • in digestive system disorders

  • Diagnosis: Medical History and Physical Examination

  • in gynecologic disorders

  • Gynecologic Evaluation: Gynecologic Examination

  • in heart and blood vessel disorders

  • Diagnosis: Medical History and Physical Examination

  • in kidney disorders

  • Diagnosis

  • in musculoskeletal disorders

  • Diagnosis: Physical Examination

  • in neurologic examination

  • Physical Examination
    What Is a Neurologic Symptom?Sidebar
    Mental Status TestingTables
    Reflex Arc: A No-BrainerFigures

  • of newborn

  • Physical Examination
    Three Common Reflexes of NewbornsSidebar

  • during pregnancy

  • Medical Care: First Examination

    Physical punishment (for children)

    Behavioral Problems due to Parenting ProblemsSidebar

    Physical therapy

    see also Rehabilitation
    Physical Therapy (PT)
    Increasing the Shoulder's Range of MotionFigures

  • in burn injury

  • Burns: Deep Minor Burns

  • chest

  • Chest Physical Therapy

  • in osteoarthritis

  • Osteoarthritis (OA): Treatment

  • in sports injuries

  • Sports Injuries: Treatment

  • in temporomandibular joint disorders

  • Temporomandibular Joint (TMJ) Disorders : Muscle Pain and Tightness
    Physical Therapy for Jaw MusclesSidebar

    Physician

  • calls to

  • Some Reasons to Call a Doctor*Tables

  • choice of

  • Choosing a DoctorSidebar
    Choices to Make Before Death: Choosing a Set of Health Care Practitioners to Provide Care

  • communication with

  • Where to Start
    Making the Most of a Health Care Visit: Subsequent Visits
    Choices to Make Before Death
    Confidentiality and HIPAA
    Adherence to Drug Treatment: Improving Adherence

  • decision making by

  • Medical Decision Making

  • general organizations for

  • Family Planning

  • medical record release by

  • Handling Medical Records

  • primary care

  • Where to Start
    Is This Doctor the Right One?Sidebar

  • second opinion from

  • Getting a Second Opinion
    How to Get a Second OpinionSidebar

  • visit to

  • When to See a Doctor
    Making the Most of a Health Care Visit

    Physostigmine

    Drugs Used to Treat GlaucomaTables

    Phytanic acid, accumulation of (Refsum's disease)

    Other Rare Hereditary Disorders of Lipid MetabolismSidebar

    Phytochemicals

    Atherosclerosis: Diet
    Coronary Artery Disease: Diet

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