2,563 active substances

What is actually in your medicine

The brand on the box is a name. The substance is what it does — and it is usually in a dozen other products too.

136 substances starting with O

Obeticholic Acid2productsNone listed without prescription 1 company1 form

Obiltoxaximab1productNone listed without prescription 1 company1 form

Obinutuzumab1productNone listed without prescription 1 company1 form

Ocrelizumab1productNone listed without prescription 1 company1 form

Octinoxate1product1 without prescription · 100% 1 company1 form

Octinoxate + Avobenzone5products5 without prescription · 100%Combination 3 companies3 forms

Octinoxate + Avobenzone + Octisalate2products2 without prescription · 100%Combination 2 companies1 form

Octinoxate + Avobenzone + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Bisoctrizole + Bemotrizinol1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Enzacamene + Avobenzone + Ensulizole1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Homosalate + Octisalate + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Homosalate + Octocrylene + Avobenzone + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Homosalate + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octisalate8products8 without prescription · 100%Combination 2 companies2 forms

Octinoxate + Octisalate + Avobenzone + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octisalate + Octocrylene + Zinc Oxide1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octisalate + Oxybenzone3products3 without prescription · 100%Combination 1 company1 form

Octinoxate + Octisalate + Oxybenzone + Avobenzone2products2 without prescription · 100%Combination 2 companies1 form

Octinoxate + Octisalate + Oxybenzone + Octocrylene + Avobenzone3products3 without prescription · 100%Combination 1 company2 forms

Octinoxate + Octisalate + Titanium Dioxide2products2 without prescription · 100%Combination 1 company1 form

Octinoxate + Octisalate + Titanium Dioxide + Zinc Oxide1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octisalate + Zinc Oxide + Ensulizole1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octocrylene + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octocrylene + Homosalate + Zinc Oxide + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octocrylene + Octisalate + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octocrylene + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octocrylene + Oxybenzone + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Octocrylene + Oxybenzone + Titanium Dioxide + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Oxybenzone7products7 without prescription · 100%Combination 6 companies5 forms

Octinoxate + Oxybenzone + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Oxybenzone + Ensulizole1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Oxybenzone + Menthol + Phenol + Camphor1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Oxybenzone + Octisalate2products2 without prescription · 100%Combination 1 company2 forms

Octinoxate + Oxybenzone + Octisalate + Avobenzone2products2 without prescription · 100%Combination 2 companies1 form

Octinoxate + Oxybenzone + Octisalate + Zinc Oxide1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Titanium Dioxide2products2 without prescription · 100%Combination 2 companies1 form

Octinoxate + Titanium Dioxide + Octisalate + Zinc Oxide1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Titanium Dioxide + Octocrylene + Avobenzone + Ensulizole + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Titanium Dioxide + Octocrylene + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Titanium Dioxide + Zinc Oxide4products4 without prescription · 100%Combination 3 companies2 forms

Octinoxate + Titanium Dioxide + Zinc Oxide + Octocrylene + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Zinc Oxide6products6 without prescription · 100%Combination 2 companies2 forms

Octinoxate + Zinc Oxide + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octinoxate + Zinc Oxide + Titanium Dioxide1product1 without prescription · 100%Combination 1 company1 form

Octisalate1product1 without prescription · 100% 1 company1 form

Octisalate + Avobenzone + Drometrizole Trisiloxane + Homosalate + Octocrylene + Oxybenzone1product1 without prescription · 100%Combination 1 company1 form

Octisalate + Avobenzone + Homosalate + Octocrylene3products3 without prescription · 100%Combination 3 companies2 forms

Octisalate + Avobenzone + Octocrylene1product1 without prescription · 100%Combination 1 company1 form

Octisalate + Drometrizole Trisiloxane + Avobenzone + Octocrylene + Titanium Dioxide1product1 without prescription · 100%Combination 1 company1 form

Octisalate + Ensulizole + Avobenzone + Bemotrizinol + Bisoctrizole2products2 without prescription · 100%Combination 1 company2 forms

Octisalate + Homosalate + Avobenzone + Octocrylene5products5 without prescription · 100%Combination 1 company2 forms

Octisalate + Homosalate + Oxybenzone + Avobenzone + Octocrylene1product1 without prescription · 100%Combination 1 company1 form

Octisalate + Octocrylene + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octisalate + Octocrylene + Avobenzone + Ensulizole1product1 without prescription · 100%Combination 1 company1 form

Octisalate + Titanium Dioxide + Ensulizole1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Avobenzone + Ensulizole1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Avobenzone + Homosalate + Octisalate3products3 without prescription · 100%Combination 3 companies2 forms

Octocrylene + Avobenzone + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Avobenzone + Octisalate + Homosalate1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Bisoctrizole + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Bisoctrizole + Avobenzone + Bemotrizinol1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Ensulizole + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Homosalate + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Homosalate + Avobenzone + Octisalate2products2 without prescription · 100%Combination 2 companies1 form

Octocrylene + Homosalate + Bemotrizinol + Avobenzone + Titanium Dioxide + Bisoctrizole1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Homosalate + Octisalate + Avobenzone16products16 without prescription · 100%Combination 11 companies3 forms

Octocrylene + Octinoxate + Avobenzone2products2 without prescription · 100%Combination 2 companies2 forms

Octocrylene + Octinoxate + Homosalate + Octisalate + Avobenzone2products2 without prescription · 100%Combination 2 companies1 form

Octocrylene + Octinoxate + Octisalate + Avobenzone3products3 without prescription · 100%Combination 2 companies2 forms

Octocrylene + Octinoxate + Octisalate + Avobenzone + Homosalate1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Octinoxate + Oxybenzone + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Octisalate1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Octisalate + Avobenzone7products7 without prescription · 100%Combination 6 companies4 forms

Octocrylene + Octisalate + Avobenzone + Drometrizole Trisiloxane1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Octisalate + Avobenzone + Homosalate2products2 without prescription · 100%Combination 2 companies2 forms

Octocrylene + Octisalate + Homosalate + Avobenzone2products2 without prescription · 100%Combination 2 companies1 form

Octocrylene + Octisalate + Octinoxate + Avobenzone1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Titanium Dioxide + Avobenzone + Drometrizole Trisiloxane + Terephthalylidene Dicamphor Sulfonic Acid1product1 without prescription · 100%Combination 1 company1 form

Octocrylene + Zinc Oxide + Octisalate4products4 without prescription · 100%Combination 2 companies2 forms

Octreotide (Octreotide Acetate)21productsNone listed without prescription 5 companies2 forms

Odevixibat4productsNone listed without prescription 1 company1 form

Ofatumumab2productsNone listed without prescription 1 company1 form

Ofloxacin1productNone listed without prescription 1 company1 form

Olanzapine132productsNone listed without prescription 15 companies2 forms

Olanzapine (Olanzapine Tartrate)2productsNone listed without prescription 2 companies1 form

Olaparib2productsNone listed without prescription 1 company1 form

Olezarsen (Olezarsen Sodium)1productNone listed without prescription 1 company1 form

Olipudase Alfa2productsNone listed without prescription 1 company1 form

Olive Oil + Soybean Oil1productNone listed without prescriptionCombination 1 company1 form

Olive Oil + Soybean Oil + Alanine + L-Arginine + L-Aspartic Acid + Glutamic Acid + Glycine + Histidine + L-Isoleucine + L-Leucine + Lysine (L-Lysine Acetate) + Methionine + L-Phenylalanine + L-Proline + Serine + L-Threonine + Tryptophan + L-Tyrosine + L-Valine + Dextrose2productsNone listed without prescriptionCombination 1 company1 form

Olive Oil + Soybean Oil + Alanine + L-Arginine + L-Aspartic Acid + Glutamic Acid + Glycine + Histidine + L-Isoleucine + L-Leucine + Lysine (L-Lysine Acetate) + Methionine + L-Phenylalanine + L-Proline + Serine + L-Threonine + Tryptophan + L-Tyrosine + L-Valine + Sodium Acetate Trihydrate + Sodium Glycerophosphate + Potassium Chloride + Magnesium Chloride + Calcium Chloride + Dextrose3productsNone listed without prescriptionCombination 1 company1 form

Olmesartan Medoxomil35productsNone listed without prescription 16 companies1 form

Olmesartan Medoxomil + Hydrochlorothiazide36productsNone listed without prescriptionCombination 12 companies1 form

Olopatadine (Olopatadine Hydrochloride)15productsNone listed without prescription 9 companies1 form

Olopatadine Hydrochloride2productsNone listed without prescription 2 companies1 form

Olopatadine Hydrochloride + Mometasone Furoate (Mometasone Furoate Monohydrate)1productNone listed without prescriptionCombination 1 company1 form

Olsalazine Sodium1productNone listed without prescription 1 company1 form

Omalizumab13productsNone listed without prescription 2 companies2 forms

Omaveloxolone1productNone listed without prescription 1 company1 form

Omeprazole6products1 without prescription · 17% 5 companies1 form

Omeprazole (Omeprazole Magnesium)10products2 without prescription · 20% 7 companies1 form

Onabotulinumtoxina5productsNone listed without prescription 1 company1 form

Onasemnogene Abeparvovec1productNone listed without prescription 1 company1 form

Ondansetron28productsNone listed without prescription 11 companies2 forms

Ondansetron (Ondansetron Hydrochloride Dihydrate)42productsNone listed without prescription 17 companies2 forms

Ondansetron (Ondansetron Hydrochloride)15productsNone listed without prescription 5 companies2 forms

Orciprenaline Sulfate2productsNone listed without prescription 2 companies1 form

Oritavancin (Oritavancin Phosphate)2productsNone listed without prescription 1 company1 form

Orlistat1productNone listed without prescription 1 company1 form

Orphenadrine Citrate3products2 without prescription · 67% 2 companies3 forms

Oseltamivir (Oseltamivir Phosphate)24productsNone listed without prescription 8 companies2 forms

Osilodrostat (Osilodrostat Phosphate)3productsNone listed without prescription 1 company1 form

Osimertinib (Osimertinib Mesylate)2productsNone listed without prescription 1 company1 form

Ospemifene1productNone listed without prescription 1 company1 form

Oxaliplatin10productsNone listed without prescription 10 companies1 form

Oxazepam12productsNone listed without prescription 4 companies1 form

Oxcarbazepine12productsNone listed without prescription 4 companies2 forms

Oxtriphylline + Guaifenesin1productNone listed without prescriptionCombination 1 company1 form

Oxybenzone + Avobenzone + Octinoxate + Octisalate + Titanium Dioxide1product1 without prescription · 100%Combination 1 company1 form

Oxybenzone + Octocrylene + Octisalate + Avobenzone + Octinoxate1product1 without prescription · 100%Combination 1 company1 form

Oxybutynin Chloride9productsNone listed without prescription 4 companies2 forms

Oxycodone Hydrochloride28productsNone listed without prescription 4 companies3 forms

Oxycodone Hydrochloride + Acetaminophen4productsNone listed without prescriptionCombination 4 companies1 form

Oxycodone Hydrochloride + Acetylsalicylic Acid1productNone listed without prescriptionCombination 1 company1 form

Oxycodone Hydrochloride + Naloxone Hydrochloride4productsNone listed without prescriptionCombination 1 company1 form

Oxygen12productsNone listed without prescription 12 companies1 form

Oxygen + Carbon Dioxide1productNone listed without prescriptionCombination 1 company1 form

Oxygen + Helium3productsNone listed without prescriptionCombination 2 companies1 form

Oxygen + Nitrogen3productsNone listed without prescriptionCombination 3 companies1 form

Oxygen + Nitrous Oxide1productNone listed without prescriptionCombination 1 company1 form

Oxymetazoline Hydrochloride21products21 without prescription · 100% 7 companies3 forms

Oxytocin3productsNone listed without prescription 3 companies1 form

Ozanimod (Ozanimod Hydrochloride)1productNone listed without prescription 1 company1 form

Ozanimod (Ozanimod Hydrochloride) + Ozanimod (Ozanimod Hydrochloride)1productNone listed without prescriptionCombination 1 company1 form

Ozenoxacin1productNone listed without prescription 1 company1 form