Browse Topics
Pacemaker
Pacemaker: Living Well With It
Pacemaker Placement: Before Your Procedure
Pacemaker Placement: Returning Home
Packing a Wound at Home
Paclitaxel (with albumin) Injection
Paclitaxel (with polyoxyethylated castor oil) Injection
Pacritinib
Paget's Disease of Bone
Pain Control
Pain Control at the End of Life
Pain Control Diary
Pain Diary
Pain: Getting Help at Home
Pain in a Spinal Cord Injury
Pain Management
Pain Management Clinic
Pain Management: Patient-Controlled Analgesia (PCA) Pump
PALB2: Cancer Risks and Management (PDQ®): Genetics - Health Professional Information [NCI]
Palbociclib
Palifermin
Paliperidone
Paliperidone Injection
Palivizumab Injection
Palliative Care
Palliative Care for Pain and Treatment Side Effects
Pallidotomy for Parkinson's Disease
Palonosetron Injection
Palopegteriparatide Injection
Palovarotene
Pamidronate Injection
Pancreas Transplant
Pancreatic Cancer
Pancreatic Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Pancreatic Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Pancreatic Neuroendocrine Tumors (Islet Cell Tumors) Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Pancreatic Neuroendocrine Tumors (Islet Cell Tumors) Treatment (PDQ®): Treatment - Patient Information [NCI]
Pancrelipase
Panic Attacks and Panic Disorder
Panitumumab Injection
Panobinostat
Pantoprazole
Pantoprazole Injection
Pap Test
Papaverine
Paracentesis
Paraffin Wax for Arthritis
Paranasal Sinus and Nasal Cavity Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Paranasal Sinus and Nasal Cavity Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Parathyroid Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Parathyroid Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Parathyroid Hormone Injection
Parathyroid Hormone (PTH) Test
Parathyroidectomy: Before Your Surgery
Parathyroidectomy: Returning Home
Paregoric
Parenting
Parkinson-Plus Syndromes
Parkinson's Disease
Parkinson's Disease and Freezing
Parkinson's Disease and Nutrition
Parkinson's Disease and Tremors
Parkinson's Disease: Eating and Drooling Problems
Parkinson's Disease: Movement Problems From Levodopa
Parkinson's Disease: Other Symptoms
Parotitis
Paroxetine
Partial Hip Replacement Surgery
Partial Thromboplastin Time (PTT) Test
Partner Support During Pregnancy
Pasireotide Injection
Patellar Subluxation
Patellar Tracking Disorder
Patellar Tracking Disorder: Exercises
Patellofemoral Pain Syndrome
Patent Foramen Ovale (PFO)
Patient Rights and HIPAA
Patiromer
Patty's Story: Using Positive Thinking to Help Back Pain
Pazopanib
PC-SPES (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
PC-SPES (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Peanut Allergy
Pediatric Allogeneic Hematopoietic Stem Cell Transplant (PDQ®): Treatment - Health Professional Information [NCI]
Pediatric Autologous Hematopoietic Stem Cell Transplant (PDQ®): Treatment - Health Professional Information [NCI]
Pediatric Chimeric Antigen Receptor (CAR) T-Cell Therapy (PDQ®): Treatment - Health Professional Information [NCI]
Pediatric Gastric Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Pediatric Gastrointestinal Neuroendocrine Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Pediatric Hematopoietic Stem Cell Transplant and Cellular Therapy for Cancer (PDQ®): Treatment - Health Professional Information [NCI]
Pediatric Preparation for Medical Tests
Pegaptanib Injection
Pegaspargase Injection
Pegcetacoplan Injection
Pegfilgrastim Injection
Peginterferon Alfa-2a Injection
Peginterferon Alfa-2b Injection (Sylatron)
Peginterferon Alfa-2b (PEG-Intron)
Peginterferon Beta-1a Injection
Pegloticase Injection
Pegunigalsidase alfa-iwxj Injection
Pegvaliase-pqpz Injection
Pelvic Exam
Pelvic Exercises for Urinary Incontinence
Pelvic Inflammatory Disease
Pelvic Inflammatory Disease: Tubo-Ovarian Abscess
Pelvic Organ Prolapse
Pelvic Organ Prolapse: Should I Have Surgery?
Pelvic Ultrasound
Pembrolizumab Injection
Pemetrexed Injection
Pemigatinib
Penbutolol
Penciclovir Cream
Penicillamine
Penicillin Allergy
Penicillin G Benzathine and Penicillin G Procaine Injection
Penicillin G Benzathine Injection
Penicillin G (Potassium, Sodium) Injection
Penicillin G Procaine Injection
Penicillin V Potassium
Penile Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Penile Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Penile Implants for Erection Problems
Pentamidine Injection
Pentamidine Oral Inhalation
Pentazocine
Pentosan Polysulfate
Pentostatin Injection
Pentoxifylline
People Who Need Antibiotics to Prevent Endocarditis
Peptic Ulcer Disease
Peramivir Injection
Perampanel
Percutaneous Discectomy for a Lumbar Herniated Disc
Percutaneous Nephrolithotomy or Nephrolithotripsy
Perfluorohexyloctane ophthalmic
Perforation
Pericardial effusion: Fast facts
Pericardiocentesis
Pericarditis
Pericarditis: Fast Facts
Perimetry Test (Visual Field Testing) for Glaucoma
Perindopril
Periodic Limb Movement Disorder
Peripartum Cardiomyopathy
Peripheral Arterial Angioplasty
Peripheral Arterial Disease
Peripheral Arterial Disease and Exercise
Peripheral Arterial Disease: Should I Have a Procedure or Surgery?
Peripheral Nerve Blocks
Peripheral Nerve Blocks for Anesthesia
Peripheral Neuropathy
Peripheral T-Cell Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Peritoneal Dialysis
Permethrin Topical
Perphenazine
Personal Action Plan
Personal Stories About Choosing Birth Control Methods
Pertuzumab Injection
Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf Injection
Pexidartinib
Peyronie's Disease
Phalangeal Head Resection (Arthroplasty) for Toe Joint Deformities
Phantom Limb Pain and Chronic Pain
Phenazopyridine
Phenelzine
Phenoxybenzamine
Phentermine
Phentermine and Topiramate
Phenylephrine
Phenylephrine Nasal Spray
Phenylketonuria (PKU)
Phenylketonuria (PKU) Test
Phenytoin
Phenytoin Injection
Pheochromocytoma and Paraganglioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Pheochromocytoma and Paraganglioma Treatment (PDQ®): Treatment - Patient Information [NCI]
Phlebectomy
Phlebotomy for Too Much Iron
Phobias
Phosphate in Blood Test
Phosphate in Urine Test
Photodynamic Therapy for Age-Related Macular Degeneration
Phototherapy for Eczema
Phototherapy for Psoriasis
Physical Abuse
Physical Activity and Weight Loss
Physical Activity as You Get Older
Physical Activity for Children and Teens
Physical Activity Helps Prevent a Heart Attack and Stroke
Physical and Emotional Changes as Death Approaches
Physical Development, Ages 1 to 12 Months
Physical Development, Ages 11 to 14 Years
Physical Development, Ages 12 to 24 Months
Physical Development, Ages 15 to 18 Years
Physical Development, Ages 6 to 10 Years
Physical Growth in Newborns
Physical Rehabilitation for ACL Injuries
Physical Therapy
Physical Therapy for Back Pain
Physical Therapy for Knee Arthritis
Physical Therapy for Spinal Stenosis
Physician-Assisted Death
Phytonadione
Pill Abortion Care
Pilocarpine
Pilocarpine Ophthalmic
Pilonidal Disease
Pimavanserin
Pimecrolimus Topical
Pimozide
Pinched Nerve In or Near the Elbow
Pindolol
Pinkeye
Pinkeye (Conjunctivitis)
Pinworms
Pioglitazone
Piperacillin and Tazobactam Injection
Pirbuterol Acetate Oral Inhalation
Pirfenidone
Piroxicam
Pirtobrutinib
Pitavastatin
Pitolisant
Pituitary Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Pituitary Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
Pityriasis Alba
Pityriasis Rosea
Pivmecillinam
PKU Diet
Placenta Previa
Placenta previa: Fast Facts
Placental Abruption
Planning a Secure Financial Future
Planning for a Change That Matters
Planning for Alcohol or Drug Relapse
Planning the Transition to End-of-Life Care in Advanced Cancer (PDQ®): Supportive care - Health Professional Information [NCI]
Planning the Transition to End-of-Life Care in Advanced Cancer (PDQ®): Supportive care - Patient Information [NCI]
Planning to Be an Organ Donor Upon Death
Plantar Fascia Release
Plantar Fasciitis
Plantar Fasciitis: Exercises
Plantar Fasciitis: Should I Have Surgery for Heel Pain?
Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®): Treatment - Patient Information [NCI]
Playground Safety
Plazomicin Injection
Plecanatide
Plerixafor Injection
Pleural Effusion
Pleurisy
Pleuropulmonary Blastoma (PDQ®): Treatment - Patient Information [NCI]
Plica in the Knee
Pneumatic Retinopexy for Retinal Detachment
Pneumococcal Conjugate Vaccine
Pneumococcal Conjugate Vaccine: What You Need to Know
Pneumococcal Polysaccharide Vaccine
Pneumococcal Polysaccharide Vaccine: What You Need to Know
Pneumococcal Vaccine
Pneumocystis Pneumonia and AIDS
Pneumonia
Pneumonia: Self-Care
Poison Ivy, Oak, or Sumac
Poison Ivy, Oak, or Sumac: Tips for Washing
Poison Ivy, Oak, or Sumac: What to Do First
Poisoning
Polatuzumab vedotin-piiq Injection
Polio Vaccine
Polio Vaccine: What You Need to Know
Polycystic Ovary Syndrome (PCOS)
Polyethylene Glycol 3350
Polyethylene glycol-electrolyte solution (PEG-ES)
Polyhydramnios
Polymyalgia Rheumatica
Polymyxin B and Trimethoprim Ophthalmic
Pomalidomide
Ponatinib
Ponesimod
Posaconazole
Posaconazole Injection
Positional Plagiocephaly (Flattened Head)
Positive Thinking Daily Journal
Positron Emission Tomography (PET)
Postcholecystectomy Syndrome
Posterior cruciate ligament injury: Fast Facts
Posterior Cruciate Ligament (PCL) Injury
Posterior Vitreous Detachment
Postoperative Problems
Postpartum Bleeding
Postpartum Depression
Postpartum: First 6 Weeks After Childbirth
Post-Polio Syndrome
Post-Term Pregnancy
Post-Thrombotic Syndrome
Post-Traumatic Stress Disorder
Postural Orthostatic Tachycardia Syndrome (POTS)
Post-Void Residual Urine Test
Potassium
Potassium Iodide
Potassium (K) in Blood Test
Potassium (K) in Urine Test
Pozelimab-bbfg Injection
PrabotulinumtoxinA-xvfs Injection
Practicing Gratitude
Practicing Self-Compassion
Pralatrexate Injection
Pralsetinib
Pramipexole
Pramlintide Injection
Pramoxine
Prasterone Vaginal
Prasugrel
Pravastatin
Prayer
Praziquantel
Prazosin
Prealbumin Blood Test
Prediabetes
Prediabetes: Exercise Tips
Prediabetes: Healthy Changes You Can Make
Prediabetes: Which Treatment Should I Use to Prevent Type 2 Diabetes?
Prednisolone
Prednisolone Ophthalmic
Prednisone
Preeclampsia
Preeclampsia: Creatinine Clearance Test
Preeclampsia: Expectant Management
Pregabalin
Pregnancy
Pregnancy After Age 35
Pregnancy After Weight-Loss (Bariatric) Surgery
Pregnancy and Childbirth
Pregnancy and Chronic High Blood Pressure
Pregnancy and Diabetes: Planning for Pregnancy
Pregnancy and Epilepsy
Pregnancy and Your Weight
Pregnancy: Blood Clots
Pregnancy: Carpal Tunnel Syndrome
Pregnancy: Changes in Bowel Habits
Pregnancy: Chemicals, Cosmetics, and Radiation
Pregnancy: Choosing a Doctor or Midwife
Pregnancy: Dealing With Morning Sickness
Pregnancy: Deciding Where to Deliver
Pregnancy: Dropping (Lightening)
Pregnancy: Eating the Right Foods
Pregnancy: First Prenatal Visit
Pregnancy: Hair Changes
Pregnancy: Healthy Weight Gain
Pregnancy: Hemorrhoids and Constipation
Pregnancy: High Blood Pressure and Preeclampsia
Pregnancy: Hot Tub and Sauna Use
Pregnancy: How to Exercise Safely
Pregnancy: Kick Counts
Pregnancy: Learning About Doctors and Midwives
Pregnancy: Managing Back Pain
Pregnancy: Managing Morning Sickness
Pregnancy: Nosebleeds and Bleeding Gums
Pregnancy: Pelvic and Hip Pain
Pregnancy: Should I Have Amniocentesis?
Pregnancy: Should I Have an Epidural During Childbirth?
Pregnancy: Should I Have CVS (Chorionic Villus Sampling)?
Pregnancy: Should I Try Vaginal Birth After a Past C-Section (VBAC)?
Pregnancy: Signs of Preterm Labor
Pregnancy: Stretch Marks, Itching, and Skin Changes
Pregnancy: Varicose Veins
Pregnancy: Vegetarian Diet
Pregnancy: Work and School Issues
Pregnancy-Related Problems
Premature Baby: Special Care in the NICU
Premature Ejaculation
Premature Infant: Safe Travel With Your Baby
Premature (Preterm) Infant
Premature Ventricular Contractions (PVCs)
Premenstrual Syndrome (PMS)
Preparing for a Healthy Pregnancy
Preparing for Your Hospital Stay
Preparing Your Child for a Hospital Stay
Preparing Your Child for the Hospital
Presbyopia
Preschoolers: Building a Sense of Security
Preschoolers: Building Self-Control
Preschoolers: Building Social Skills
Preschoolers: Encouraging Independence
Preschoolers: Helping Your Child Explore
Prescription Medicine Misuse: Could You Have a Problem?
Prescription Medicine Misuse: Getting Back on Track
Prescription Medicine Misuse: Setting Goals for Quitting
Prescription Medicine Misuse: Support for Recovery
Prescription Medicine Misuse: Treatment Options
Pressure Injuries
Pressure Injuries From Scuba Diving
Preterm Labor
Preterm Prelabor Rupture of Membranes (pPROM)
Prevent Medical Errors
Preventing a Heart Attack or Stroke: How Aspirin May Help
Preventing Bee Stings
Preventing Blisters
Preventing Breath-Holding Spells in Children
Preventing Children's Injuries From Sports and Other Activities
Preventing Choking in Small Children
Preventing Deep Vein Thrombosis (DVT) in the Hospital
Preventing Deep Vein Thrombosis From Travel
Preventing Falls: Exercises for Strength and Balance
Preventing Falls: Get an Eye Exam
Preventing Falls in Older Adults
Preventing Falls in Older Adults
Preventing Falls in Older Adults Who Take High-Risk Medicines
Preventing Falls in the Hospital
Preventing Falls in the Hospital
Preventing Falls: Leg Lifts
Preventing Falls: Make Your Home Safe
Preventing Falls: Medicine Safety
Preventing Falls: The Four Fall Stoppers
Preventing Falls: Two Good Exercises
Preventing Falls: Use a Home Safety Checklist
Preventing Flea Bites
Preventing Foot Cramps
Preventing Foot Problems: Training Techniques
Preventing Insect Stings
Preventing Mastitis
Preventing Poisoning in Young Children
Preventing Problems After Surgery
Preventing Sepsis After You Leave the Hospital
Preventing Spider Bites
Preventing Tetanus Infections
Preventing Tooth Decay in Young Children
Primaquine
Primary Biliary Cholangitis (PBC)
Primary Central Nervous System Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Primary CNS Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
Primary Liver Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Primary Ovarian Insufficiency
Primidone
Principles of Recovery
PRK and LASEK for Farsightedness
PRK, LASEK, and Epi-LASIK for Nearsightedness
Probenecid
Probiotics
Problems After Delivery of Your Baby
Problem-Solving to Manage Stress
Procainamide
Procarbazine
Prochlorperazine
Proctocolectomy and Ileostomy for Inflammatory Bowel Disease
Progesterone
Progesterone Test
Progesterone Vaginal
Progestin-Only (drospirenone) Oral Contraceptives
Progestin-Only (norethindrone) Oral Contraceptives
Progestin-Only (norgestrel) Oral Contraceptives
Progressive Muscle Relaxation
Prolactin Blood Test
Prolonged Grief
Prolotherapy for Low Back Pain
Promethazine
Propafenone
Propantheline
Proper Lifting to Protect Your Back
Propranolol (Cardiovascular)
Propranolol (Infantile Hemangioma)
Propylthiouracil
Prostate Biopsy
Prostate Cancer
Prostate Cancer, Advanced or Metastatic
Prostate Cancer, Nutrition, and Dietary Supplements (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
Prostate Cancer, Nutrition, and Dietary Supplements (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
Prostate Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
Prostate Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
Prostate Cancer Screening
Prostate Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
Prostate Cancer Screening (PDQ®): Screening - Patient Information [NCI]
Prostate Cancer Screening: Should I Have a PSA Test?
Prostate Cancer: Should I Choose Active Surveillance?
Prostate Cancer: Should I Have Radiation or Surgery for Localized Prostate Cancer?
Prostate Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
Prostate Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
Prostatectomy: Returning Home
Prostatectomy Surgery
Prostate-Specific Antigen (PSA) Test
Prostatitis
Protecting Your Child From Infections
Protecting Your Child From Online Strangers
Protecting Your Skin From the Sun
Protecting Your Skin From the Sun
Prothrombin Time (PT/INR) Test
Protriptyline
Prucalopride
Pruritus (PDQ®): Supportive care - Health Professional Information [NCI]
Pruritus (PDQ®): Supportive care - Patient Information [NCI]
Pseudobulbar Affect (PBA)
Pseudoephedrine
Pseudomonas Infection
Psoriasis
Psoriasis: Skin, Scalp, and Nail Care
Psoriatic Arthritis
Psychiatric Advance Directives
Psyllium
PTSD and Anger
PTSD and Panic Attacks
PTSD: Checking In With Yourself
PTSD: Finding Yourself Again
PTSD: Having a Plan
PTSD: Signs and Symptoms
PTSD: Treatment Options
Puberty Issues
Pubic Lice
Pudendal Neuralgia
Pulmonary Embolism
Pulmonary Fibrosis
Pulmonary Hypertension
Pulmonary (Lung) Nodules
Pulmonary Rehabilitation
Pulse Measurement
Puncture Wounds
Puncture Wounds: Stitches, Staples, and Skin Adhesives
Purifying Your Drinking Water
Pushing a Rectal Prolapse Into Place
Puss Caterpillar Stings
Pyloric Stenosis
Pyrantel
Pyrazinamide
Pyrethrin and Piperonyl Butoxide Topical
Pyridostigmine
Pyridoxine
