- CBC (Complete Blood Count (CBC))
 
- Celiac Sprue
 
- Cellulite
 
- Cellulitis
 
- Central Sleep Apnea (Obstructive and Central Sleep Apnea)
 
- Cerebral Palsy
 
- Cerumen (Earwax)
 
- Cervical Cancer
 
- Cervical Dysplasia
 
- Cervical Epidural Steroid Injection (Epidural Steroid Injection)
 
- Cervical Intraepithelial Neoplasia (Cervical Dysplasia)
 
- Cervicitis
 
- Cervix, Inflammation (Cervicitis)
 
- Cesarean Childbirth
 
- Cessation, Smoking (Cigarette Smoking)
 
- Chagas Disease (American Trypanosomiasis)
 
- Chalazion (Lump in Eyelid)
 
- Change of Life (Menopause)
 
- Characteristics of a Person with Asperger
 
- Chart, Cholesterol (Understanding Your Cholesterol Level)
 
- Check My Blood Pressure at Home Without a Machine
 
- Checkup
 
- Cheek Swollen on One Side
 
- Chemical Burns
 
- Chemical Colitis (Colitis)
 
- Chemical Eye Burns
 
- Chemical Pneumonia
 
- Chemical Warfare
 
- Chemotherapy
 
- chemotherapy vs targeted therapy differences
 
- Chest Pain on a Plane Heart Attack
 
- Chest Pain Overview
 
- Chest Radiograph (Chest X-Ray)
 
- Chest Roentgenogram (Chest X-Ray)
 
- Chest X-Ray
 
- Chest, Internal Bleeding (Internal Bleeding)
 
- Chewing Tobacco (Smokeless Tobacco)
 
- CHF (Congestive Heart Failure)
 
- Chickenpox
 
- Chickenpox vs Hand Foot and Mouth Disease
 
- Chiggers
 
- Chiggers vs Scabies
 
- Chikungunya Virus Infection
 
- Chilblains (Frostbite)
 
- Child Abuse
 
- Child, Crohn's Disease (Crohn Disease in Children and Teens)
 
- Childhood Acute Lymphoblastic Leukemia (ALL)
 
- Childhood Acute Myeloid Leukemia (AML)
 
- Childhood Brain Cancer Astrocytoma
 
- Childhood Brain Stem Glioma Treatment
 
- Childhood Brain Tumor Atypical Teratoid Rhabdoid
 
- Childhood Craniopharyngioma
 
- Childhood Ependymoma Brain Cancer
 
- Childhood Extracranial Germ Cell Brain Tumors
 
- Childhood Hodgkin Lymphoma Treatment
 
- Childhood Liver Cancer
 
- Childhood Non-Hodgkin Lymphoma
 
- Children, Abdominal Pain (Abdominal Pain in Children)
 
- Children, Mouth Wounds (Mouth Wounds and Treatments in Adults and Children)
 
- Children, Pituitary Insufficiency (Hypopituitarism in Children)
 
- Children, Sleep (Sleep and Sleep Disorders in Children )
 
- Children, Sleep Disorders (Sleep and Sleep Disorders in Children )
 
- Chlamydia
 
- Chlamydia In Women
 
- Chlamydia trachomatis (Chlamydia In Women)
 
- Choking
 
- cholecystitis
 
- Cholera
 
- Cholesterol and Children
 
- Cholesterol Charts (Understanding Your Cholesterol Level)
 
- Cholesterol Drugs, Statins (Statins and Cholesterol)
 
- Cholesterol FAQs
 
- Cholesterol Gallstones (Gallstones)
 
- Cholesterol Management (Lifestyle Cholesterol Management)
 
- Cholesterol Numbers (Understanding Your Cholesterol Level)
 
- Cholesterol Tests
 
- Cholesterol, High (High Cholesterol)
 
- Chondromalacia Patella
 
- Chondrosarcoma (Bone Cancer)
 
- Choosing an Online Pharmacy (Prescription Medicine)
 
- Chordoma (Bone Cancer)
 
- Chordoma in Children
 
- Chron's Disease in Kids (Crohn Disease in Children and Teens)
 
- Chronic Bronchitis (Bronchitis)
 
- Chronic Cough (Coughs)
 
- Chronic Diarrhea (Diarrhea)
 
- Chronic Fatigue Syndrome
 
- Chronic Insomnia (Insomnia)
 
- Chronic Kidney Disease
 
- Chronic Kidney Disease COVID-19 coronavirus safety
 
- Chronic Obstructive Pulmonary Disease (COPD)
 
- Chronic Pain
 
- Chronic Pericarditis (Pericarditis)
 
- Chronic Prostatitis (Prostate Infections)
 
- Chronic Pulmonary Disease (Chronic Obstructive Pulmonary Disease (COPD))
 
- Chronic Renal Failure (Chronic Kidney Disease)
 
- Chronic Renal Insufficiency (Chronic Kidney Disease)
 
- Cigarette Smoking
 
- Circumcision
 
- Cirrhosis
 
- Cirrhosis, Biliary (Primary Biliary Cirrhosis)
 
- CKD (Chronic Kidney Disease)
 
- Clam Poisoning (Wilderness: Shellfish Poisoning, Gastrointestinal)
 
- Classic Migraine (Migraine Headache)
 
- Clavicle Fracture (Broken Collarbone)
 
- Clay-Colored Stools (Stool Color Changes)
 
- Clear Vaginal Discharge (Vaginal Discharge)
 
- Click-Murmur Syndrome (Mitral Valve Prolapse)
 
- Clostridium (Clostridium Difficile (C. difficile, C. diff))
 
- Clostridium Difficile (C. difficile, C. diff)
 
- Clots, Blood (Blood Clots)
 
- Club Drugs
 
- Clumsiness (Motor Skills Disorder)
 
- Clumsy Child Syndrome (Motor Skills Disorder)
 
- Cluster Headache
 
- Cluster Headache FAQs
 
- CO Poisoning (Carbon Monoxide Poisoning)
 
- Coated Stents (Percutaneous Coronary Intervention (PCI))
 
- Cocaine Abuse
 
- Cognitive Deficits
 
- Coitus Interruptus (Birth Control Behavioral Methods)
 
- Cold Drugs (Home Pharmacy)
 
- Cold Hands and Feet
 
- Cold Sores
 
- Colds
 
- coli, E. Infection (E. coli: Escherichia coli 0157:H7, E. coli 0157:H7)
 
- Colic
 
- Colitis
 
- Colitis From Antibiotics (Clostridium Difficile (C. difficile, C. diff))
 
- Colitis, Ulcerative (Ulcerative Colitis)
 
- Collagenous Colitis (Colitis)
 
- Collapsed Lung
 
- Collarbone, Broken (Broken Collarbone)
 
- Colon Cancer
 
- Colon Cancer and Genetic Testing
 
- Colon Cancer Symptoms vs Hemorrhoids
 
- Colon Cancer Symptoms vs Ulcerative Colitis 
 
- Colon Cancer vs IBS (Irritable Bowel) Symptoms
 
- Colon Polyps
 
- Colon Polyps and Diverticulitis Symptoms and Signs
 
- Colonoscopy
 
- Colorectal Cancer in Children
 
- Colposcopy
 
- Coma
 
- Combined ADHD (10 Tips for Parenting a Child with ADHD)
 
- Common Cause of Addisons Disease
 
- Common Health Tests
 
- Common Migraine (Migraine Headache)
 
- Common Migraine Symptoms
 
- Common Migraine [59404] (Migraine Headaches, Vision Effects)
 
- Common Types of Sleep Disorders in Children
 
- Common Warts (Warts)
 
- Communicate with Someone Who Has Cancer
 
- Communication in Cancer Care
 
- Complementary and Alternative Medicine for Cancer
 
- Complete Blood Count (CBC)
 
- Computerized Axial Tomography (CT Scan)
 
- Concussion
 
- Concussion Symptoms and Test
 
- condom (Condoms and Sexually Transmitted Diseases)
 
- Condoms and Sexually Transmitted Diseases
 
- Congenital Lymphedema (Lymphedema)
 
- Congenital Polycythemia (Polycythemia (High Red Blood Cell Count))
 
- Congestive Heart Failure
 
- Congestive Heart Failure Survival Rate
 
- Conjoined Twins
 
- Constipation and Cancer
 
- Constipation Drugs (Home Pharmacy)
 
- Constipation in Adults
 
- Constipation in Children
 
- Constrictive Pericarditis (Pericarditis)
 
- Contact Dermatitis
 
- Contact Lenses
 
- Contagious with Hand Foot and Mouth Disease
 
- Continuous Abstinence (Birth Control Behavioral Methods)
 
- Contraception (Birth Control Medications (Contraceptives))
 
- Contusion Angle Recesson Glaucoma (Angle Recession Glaucoma)
 
- Contusion vs Hematoma
 
- Convulsions (Seizures Emergencies)
 
- COPD (Chronic Obstructive Pulmonary Disease (COPD))
 
- Coping with Crohn's Disease (Living With Crohn Disease)
 
- Coral, Fire (Wilderness: Fire Coral Cuts)
 
- Corneal Abrasion
 
- Corneal Disease
 
- Corneal Flash Burns
 
- Corneal Ulcer
 
- Corns and Calluses
 
- Coronary Artery Bypass Graft Surgery (CABG) 
 
- Coronary Balloon Angioplasty (Percutaneous Coronary Intervention (PCI))
 
- Coronary Heart Disease
 
- Coronavirus
 
- Coronavirus (COVID-19) Prevention Tips
 
- Coronavirus Disease More Severe Than the Flu
 
- Corpus Luteum Cyst (Ovarian Cysts)
 
- Corticosteroids for Crohn's Disease (Understanding Crohn Disease Medications)
 
- Costochondritis
 
- Coughs
 
- COVID-19 Vaccines
 
- COVID19 Vaccination for 5 To 11 Year Olds
 
- Cow's Milk Intolerance (Lactose Intolerance)
 
- Coxsackievirus
 
- Coxsackievirus vs Hand Foot Mouth Disease 
 
- Coxsackievirus vs Kawasaki Disease
 
- CP (Cerebral Palsy)
 
- CPR (Cardiopulmonary Resuscitation (CPR))
 
- CPR, Choking, Drowning
 
- Crabs
 
- Cradle Cap (Dandruff)
 
- Cranial Neuropathy (Neuropathy)
 
- CRE Infection
 
- Creatinine Blood Tests
 
- Critical Limb Ischemia CLI vs Acute Limb Ischemia
 
- Crohn Disease
 
- Crohn Disease FAQs
 
- Crohn Disease in Children and Teens
 
- Crohn's Disease Anatomy (Anatomy Involved in Crohn Disease)
 
- Crohn's Disease Drugs (Understanding Crohn Disease Medications)
 
- Crohn's Disease in Children (Crohn Disease in Children and Teens)
 
- Crohn's Disease in Teens (Crohn Disease in Children and Teens)
 
- Crohn's Disease vs Ulcerative Colitis Difference
 
- Croup
 
- CRP (C Reactive Protein Blood Test (CRP))
 
- Crutches
 
- Cryptococcosis
 
- Cryptococcus gatti (Cryptococcosis)
 
- Cryptococcus neoformans (Cryptococcosis)
 
- Cryptosporidiosis
 
- CT Scan
 
- CT Scan vs Colonoscopy
 
- CT Scan vs Endoscopy
 
- Current and Future Medications for Hepatitis C
 
- Curved Penis (Peyronie's Disease (Curved Penis))
 
- Cushing Syndrome
 
- Cut, Doctorfish (Wilderness: Surgeonfish Cuts)
 
- Cut, Surgeonfish (Wilderness: Surgeonfish Cuts)
 
- Cut, Tang (Wilderness: Surgeonfish Cuts)
 
- Cuts or Lacerations
 
- Cuts, Coral (Wilderness: Coral Cuts)
 
- CXR (Chest X-Ray)
 
- Cyanide Poisoning
 
- Cyclospora Infection (Cyclosporiasis)
 
- Cyst
 
- Cyst, Dermoid (Dermoid Cyst Removal)
 
- Cystadenoma (Ovarian Cysts)
 
- Cystic Acne
 
- Cysticercosis
 
- Cystoscopy
 
- Cysts, Dermoid in the Brain (Dermoid Cyst Removal)
 
- Cysts, Dermoid in the Nasal Sinuses (Dermoid Cyst Removal)
 
- Cysts, Dermoid Ovarian (Dermoid Cyst Removal)
 
- Cysts, Ovary (Ovarian Cysts)
 
- Cysts, Spinal Cord Dermoid (Dermoid Cyst Removal)