See Drug Interventions by First Letter (C)
- Cabergoline
- Cadexomer iodine
- Caffeine
- Caffeine citrate
- Caffeine, sodium benzoate drug combination
- Calamus
- Calanolide A
- Calcifediol
- Calciferol
- Calcimimetic Agents
- Calcipotriene
- Calcitonin
- Calcitonin Gene-Related Peptide
- Calcitriol
- Calcium acetate
- Calcium Carbonate
- Calcium Channel Blockers
- Calcium Dobesilate
- Calcium heparin
- Calcium polycarbophil
- Calcium Supplement
- Calcium, Dietary
- Calendula
- Calfactant
- Campath 1G
- Camphor
- Camptothecin
- Candesartan
- Candesartan cilexetil
- Cangrelor
- Canrenoate Potassium
- Canrenone
- Cantharidin
- Canthaxanthin
- Capecitabine
- Capreomycin
- Caproate
- Capsaicin
- Captopril
- Caraway
- Carbachol
- Carbamazepine
- Carbetocin
- Carbidopa
- Carbidopa, levodopa drug combination
- Carbimazole
- Carbocysteine
- Carbogen
- Carbon fiber
- Carbon Monoxide
- Carbonic Anhydrase Inhibitors
- Carboplatin
- Carbopol 940
- Carboprost
- Carboprost tromethamine
- Carboxyamido-triazole
- Carboxymethylcellulose Sodium
- Cardiac Glycosides
- Cardioplegic Solutions
- Cardiotonic Agents
- Cardiovascular Agents
- Carfentanil
- Carisoprodol
- Carmustine
- Carnitine
- Carotenoids
- Carteolol
- Carticaine
- Carvedilol
- Caseins
- Caspofungin
- Cassava
- Castor
- Castor Oil
- Catechin
- Catechol
- Cathartics
- Cayenne
- CD4 Immunoadhesins
- Cefaclor
- Cefadroxil
- Cefazolin
- Cefdinir
- Cefditoren
- Cefditoren pivoxil
- Cefepime
- Cefixime
- Cefmetazole
- Cefoperazone
- Cefotaxime
- Cefotetan
- Cefoxitin
- Cefpirome
- Cefpodoxime
- Cefpodoxime proxetil
- Cefprozil
- Ceftazidime
- Ceftibuten
- Ceftizoxime
- Ceftriaxone
- Cefuroxime
- Cefuroxime axetil
- Celecoxib
- Celiprolol
- Cellulose, Oxidized
- Central Nervous System Depressants
- Central Nervous System Stimulants
- Cephalexin
- Cephalosporins
- Cephradine
- Cerebrolysin
- Cerium nitrate
- Certoparin
- Cethromycin
- Cetirizine
- Cetrorelix
- Cetuximab
- Cetylpyridinium
- Cevimeline
- Chamomile
- Charcoal
- Chaste Tree
- Chelating Agents
- Chenodeoxycholic Acid
- Chicory
- Chinese Rhubarb
- Chinese Salvia
- Chinese Skullcap
- Chinese Yam
- Chitin
- Chitosan
- Chloral Hydrate
- Chlorambucil
- Chloramine-T
- Chloramphenicol
- Chloramphenicol succinate
- Chlordiazepoxide
- Chlorhexidine
- Chlorhexidine gluconate
- Chlorhexidine, thymol drug combination
- Chlorine dioxide
- Chlormadinone Acetate
- Chlorophyllin
- Chloroprocaine
- Chloroquine
- Chloroquine diphosphate
- Chlorothiazide
- Chlorpheniramine
- Chlorpheniramine, phenylpropanolamine drug combination
- Chlorproguanil
- Chlorpromazine
- Chlorpropamide
- Chlorquinaldol
- Chlorthalidone
- Chlorzoxazone
- Cholecalciferol
- Cholecystokinin
- Cholera Toxin
- Cholestyramine Resin
- Cholic Acids
- Choline
- Choline magnesium trisalicylate
- Cholinergic Agents
- Cholinergic Agonists
- Cholinergic Antagonists
- Cholinesterase Inhibitors
- Chondroitin
- Chorionic Gonadotropin
- Chromium
- Ciclesonide
- Ciclopirox
- Cidofovir
- Cifenline
- Cilastatin
- Cilazapril
- Cilnidipine
- Cilomilast
- Cilostazol
- Cimetidine
- Cineole
- Cinnamic aldehyde
- Cinnamon
- Cinnarizine
- Ciprofibrate
- Ciprofloxacin
- Ciprofloxacin, hydrocortisone drug combination
- Cisapride
- Cisatracurium
- Cisplatin
- Citalopram
- Citrate
- Citric Acid
- Cladribine
- Clarithromycin
- Clavulanic Acids
- Clemastine
- Clenbuterol
- Clidinium
- Clindamycin
- Clindamycin-2-phosphate
- Clobazam
- Clobetasol
- Clobetasone butyrate
- Clocortolone pivalate
- Clodronic Acid
- Clofarabine
- Clofazimine
- Clofibrate
- Clofibric Acid
- Clomiphene
- Clomipramine
- Clonazepam
- Clonidine
- Clonixin
- Clopenthixol
- Clopenthixol acetate ester
- Clopidogrel
- Cloprostenol
- Clorazepate Dipotassium
- Clothiapine
- Clotrimazole
- Cloxacillin
- Clozapine
- CNI 1493
- Coagulants
- Coagulase
- Cobalamin
- Cobalt
- Cocaethylene
- Cocaine
- Coconut
- Cod Liver Oil
- Codeine
- Coenzyme Q10
- Cola
- Colchicine
- Cold agglutinins
- Colesevelam
- Colestipol
- Colistin
- Combretastatin
- Combretastatin A-4
- Complement C1
- Complement C1 Inactivator Proteins
- Complement C1 Inhibitor Protein
- Complement C1s
- Complement Factor H
- Complement Factor I
- Complement System Proteins
- Contact Lens Solutions
- Contraceptive Agents
- Contraceptive Agents, Female
- Contraceptive Agents, Male
- Contraceptives, Oral
- Contraceptives, Oral, Combined
- Contraceptives, Oral, Hormonal
- Contraceptives, Oral, Sequential
- Contraceptives, Postcoital
- Convulsants
- Copolymer 1
- Copper
- Copper Sulfate
- Cordycepin
- Coriander
- Corticosterone
- Corticotropin-Releasing Hormone
- Cortisol succinate
- Cortisone
- Cortisone acetate
- Cortivazol
- Cosyntropin
- Coumarins
- CPG-oligonucleotide
- Cranberry
- Creatine
- Cromolyn Sodium
- Cryoprotective Agents
- Cryptoxanthin
- Curare
- Curcumin
- Curdlan sulfate
- Cyanocobalamin
- Cycletanide
- Cyclin-Dependent Kinase Inhibitor Proteins
- Cyclo(Trp-Asp-Pro-Val-Leu)
- Cyclobenzaprine
- Cyclooxygenase 2 Inhibitors
- Cyclooxygenase Inhibitors
- Cyclopentolate
- Cyclophosphamide
- CycloProvera
- Cycloserine
- Cyclosporins
- Cyproheptadine
- Cyproterone
- Cyproterone Acetate
- Cystatins
- Cysteamine
- Cysteine
- Cysteinyl-leukotriene
- Cytarabine
- Cytidine Diphosphate Choline
- Cytotoxic T-lymphocyte antigen 4