Principio attivo (Nome commerciale)

Aumento

Riduzione

Acido ascorbico (Agrumina, Agruvit, Aspirina C, Aspirinetta C, Aspro C, Benagol vit. C, Betascor B12, Bio-Ci, Bronchenolo antiflu, C-lisa, C-tard, Cebion, Cecon, Coryfin, Cromatonferro, Duo C, Dynaphos, Efferalgan, Epargriseovit, Haliborange, Idro P2 ascorbico, Influvit, Lisoflu, Neoborocillina, Neouniplus, Ossiplex retard, Raffreddoremed, Redoxon, Rutisan, Vici forte, Vicitina, Vitamina C, Vivin C)

Alcool (overdose)

Androgeni

Colestiramina (Questran)

Contraccettivi orali

Corticosteroidi

Diuretici, tiazidici

Eparina (Ateroclar, Bioclaril, Calciparina, Chemyparin, Clarisco, Clarisco forte, Croneparina, Disebrin, Ecabil, Ecafast, Ecasolv, Edeven, Emoklar, Eparical, Eparina Squibb, Eparina Vister, Eparinger, Eparinlider, Eparinovis, Epsoclar, Essaven gel, Flebs, Fragmin, Hemofluss, Heparin, Heparinum, Idracemi Eparina, Isoclar, Lioton, Liquemin, Luxazone, Mica 12500, Normoparin, Proctosoll, Reoflus, Reparil gel, Rubidiosin, Trombolisin, Venotrauma, Viamal traumagel, Viteparin, Xantervit eparina, Zepac)

Estrogeni

Furosemide (Fluss, Furosemide, Lasitone, Lasix, Spirofur)

Gemfibrozil (Fibrocit, Fibros, Gemlipid, Genlip, Genozil, Lipogen, Lipozid, Lopid)

Inibitori della HMG-CoA redattasi (“statine”)

Metformina (BI Euglicon M, Glibomet, Gliconorm, Glucomide, Glucophage, Glucosulfa, Metbay, Metforal, Metiguanide, Pleiamide, Suguan M)

Miconazolo (Acnidazil, Daktarin, Miconal, Micotef, Miderm, Nizacol, Pivanazolo, Prilagin)

Steroidi

Sulfoniluree