- 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)