- cabergoline
- cade oil
- cafedrine
- caffeine
- caffeine citrate
- cajuput oil
- calamine
- calamine + diphenhydramine
- calciferol
- calcipotriol
- calcium
- calcium ascorbate
- calcium carbonate
- calcium chloride
- calcium citrate
- calcium d pantothenate
- calcium dobesilate
- calcium fluoride
- calcium gluconate
- calcium glycerophosphate
- calcium heparin
- calcium inositol hexaphosphate
- calcium pantothenate
- calcium phosphate
- calcium-d-pantothenate
- calendula
- camphor
- camphor spirit
- camphora
- camphorated opium tincture
- cantharis
- cape aloes
- capsicum
- capsicum oleoresin
- capsicum tincture
- captopril
- captopril + hydrochlorothiazide
- carbamazepine
- carbidopa
- carbimazole
- carbo betulae
- carbocisteine
- carbocysteine
- carbohydrate
- carboplatin
- carboxymethylcellulose
- cardamom
- cardamom tincture
- carduus benedict tincture
- carmellose
- carmustine
- carum carvi
- carvedilol
- caryophylli
- cascara
- cassia bark
- cassia oil
- catalase
- catechu
- catechu tincture
- cedar leaf
- cefaclor
- cefadroxil
- cefalexin
- cefamandole
- cefazolin
- cefepime
- cefixime
- cefotaxime
- cefpodoxime
- cefprozil
- cefradine
- ceftriaxone
- cefuroxime
- celecoxib
- cellulose
- cephalexin
- cephradine
- cerivastatin
- cetirizine
- cetrimide
- cetylpyridinium chloride
- chamomilla
- chelidonium
- china
- chloramphenicol
- chlorbutol
- chlorhexidine
- chlorinated phenols
- chlormezanone
- chlorobutanol
- chlorocresol
- chloroform
- chloroform spirit
- chloroform water
- chloroquine phosphate
- chloroquine sulphate
- chloroxylenol
- chlorphenamine
- chlorpheniramine
- chlorpromazine
- chlorpropamide
- chlortalidone
- chlortetracycline
- chlorthalidone
- chlorzoxazone
- cholestyramine
- choline
- choline bitartrate
- choline chloride
- chorionic gonadotrophin
- chromium
- cichorium
- ciclosporin
- cimetidine
- cinchocaine
- cinchona bark
- cinchona tincture
- cinnabarit
- cinnamomi
- cinnamomum ceylanicum
- cinnamon bark
- cinnarizine
- ciprofloxacin
- ciprofloxacin + hydrocortisone
- cisapride
- cisplatin
- citalopram
- citri
- citric acid
- citronella oil
- citrus bioflavonoid
- citrus medica
- clarithromycin
- clavulanic acid
- cleanser
- clindamycin
- clioquinol
- clobetasol
- clomifene
- clomipramine
- clonidine
- clotrimazole
- clove oil
- cloxacillin
- cloxacillin sodium
- co-trimoxazole
- coal tar
- coal tar solution
- coccus cacti
- cochlearia officinalis
- cod liver oil
- codeine
- codeine phosphate
- coffea
- colchicine
- collagenase clostridiopeptidase a
- combin j
- conchae
- contact lens preparation
- contact lens solutions
- copper
- copper sulphate
- coriandri
- coriandrum
- crataegi
- crilanomer
- cromoglicic acid
- cromolyn
- cucurbita
- cupric hydroxide
- cuprum met
- cuprum sulphuricum
- curcuma
- cyanocobalamin
- cyanocobalamine
- cyclizine
- cyclopenthiazide
- cyclopentolate
- cyproheptadine
- cyproterone
- cyproterone + ethinylestradiol
- cytarabine
