Remedies
- Cactus grandiflorus
- Cadmium bromatum
- Cadmium sulphuratum
- Cainca
- Cajuputum
- Caladium seguinum
- Calcarea acetica
- Calcarea arsenica
- Calcarea bromata
- Calcarea carbonica
- Calcarea caustica
- Calcarea chlorinata
- Calcarea fluorica
- Calcarea hypophosphorosa
- Calcarea iodata
- Calcarea lactica
- Calcarea lactica natronata
- Calcarea muriatica
- Calcarea ovi testae
- Calcarea oxalica
- Calcarea phosphorica
- Calcarea picrica
- Calcarea renalis
- Calcarea silicata
- Calcarea sulphurica
- Calendula officinalis
- Calotropis gigantea
- Caltha palustris
- Camphora bromata
- Camphora officinarum
- Canchalagua
- Cannabis indica
- Cannabis sativa
- Cantharis vesicatoria
- Capsicum annuum
- Carbo animalis
- Carbo vegetabilis
- Carbolic acid
- Carboneum
- Carboneum hydrogenisatum
- Carboneum oxygenisatum
- Carboneum sulphuratum
- Carcinosinum
- Carduus benedictus
- Carduus marianus
- Carlsbad aqua
- Carya alba
- Cascara sagrada
- Cascarilla
- Castanea vesca
- Castor equi
- Castoreum canadense
- Cataria nepeta
- Caulophyllum thalictroides
- Causticum
- Ceanothus americanus
- Cedron
- Cenchris contortrix
- Centaurea tagana
- Cereus bonplandii
- Cereus serpentinus
- Cerium oxalicum
- Cervus brasilicus
- Cetraria islandica
- Chamomilla
- Chaparro amargoso
- Cheiranthus cheiri
- Chelidonium majus
- Chelone glabra
- Chenopodium anthelminticum
- Chenopodium vulvaria
- Chimaphila maculata
- Chimaphila umbellata
- China boliviana
- China officinalis
- Chininum arsenicosum
- Chininum muriaticum
- Chininum salicylicum
- Chininum sulphuricum
- Chionanthus virginica
- Chloralum hydratum
- Chloroformum
- Chlorum
- Cholesterinum
- Chromicum acidum
- Chromium oxydatum
- Chrysarobinum
- Chrysophanicum acidum
- Cichorium intybus
- Cicuta maculata
- Cicuta virosa
- Cimex lectularius
- Cimicifuga racemosa
- Cina maritima
- Cinchoninum sulphuricum
- Cineraria maritima
- Cinnabaris
- Cinnamomum ceylanicum
- Cistus canadensis
- Citricum acidum
- Citrus limonum
- Citrus vulgaris
- Clematis erecta
- Cobaltum metallicum
- Coca
- Cocainum muriaticum
- Coccinella septempunctata
- Cocculus indicus
- Coccus cacti
- Cochlearia armoracia
- Codeinum
- Coffea cruda
- Coffea tosta
- Coffeinum
- Colchicinum
- Colchicum autumnale
- Collinsonia canadensis
- Colocynthinum
- Colocynthis
- Colostrum
- Comocladia dentata
- Conchiolinum
- Coniinum
- Coniinum bromatum
- Conium maculatum
- Convallaria majalis
- Convolvulus arvensis
- Convolvulus duartinus
- Copaiva officinalis
- Corallium rubrum
- Corallorhiza odontorhiza
- Coriaria ruscifolia
- Cornus alternifolia
- Cornus circinata
- Cornus florida
- Corydalis formosa
- Coto bark
- Cotyledon umbilicus
- Crataegus oxyacantha
- Crocus sativus
- Crotalus cascavella
- Crotalus horridus
- Croton chloralum
- Croton tiglium
- Cubeba officinalis
- Cucurbita citrullus
- Cucurbita pepo
- Culex musca
- Cundurango
- Cuphea viscosissima
- Cupressus australis
- Cupressus lawsoniana
- Cuprum aceticum
- Cuprum arsenicosum
- Cuprum metallicum
- Cuprum sulphuricum
- Curare
- Cyclamen europaeum
- Cypripedium pubescens
- Cytisus laburnum