| Abacavir (Adverse effects) | Glipizide (Dosage) |
| Acenocoumarol, Phenprocoumon (Dosage) | Gonadotrophins and Ovulation Stimulants (Efficacy) |
| Acenocoumarol, Phenprocoumon (Efficacy) | Haloperidol (Dosage) |
| Acetaldehyde (Adverse effects) | Hydrochlorothiazide (Efficacy) |
| Acetylcholinesterase Inhibitors Galantamine, Donepezil, Rivastigmine (Efficacy) | Ibuprofen (Efficacy) |
| Acetylsalicylic Acid (ASA) (Adverse effects) | Iloperidone (Adverse effects) |
| Acetylsalicylic Acid (ASA) (Efficacy) | Lithium (Efficacy) |
| Acetylsalicylic Acid (ASA) in cardiovascular events prevention (Efficacy) | Lorazepam (Efficacy) |
| Acetylsalicylic acid (ASA) in colorectal cancer prevention (Efficacy) | Lumacaftor + Ivacaftor (Efficacy) |
| Alfentanil (Efficacy) | Mercaptopurine (Dosage) |
| Amifampridine (Dosage) | Metformin (Efficacy) |
| Amisulpride, Aripiprazole, Clozapine, Olanzapine, Haloperidol, Quetiapine, Risperidone, Ziprasidone, Palperidone (Adverse effects) | Methadone (Dosage) |
| Amitriptyline (Adverse effects) | Methotrexate in Rheumatoid Arthritis (Adverse effects) |
| Amitriptyline (Dosage) | Methotrexate in chemotherapy (Adverse effects) |
| Antidepressants (Efficacy) | Methotrexate in rheumatoid arthritis (Efficacy) |
| Arformoterol (Efficacy) | Methotrexate in transplant rejection (Efficacy) |
| Aripiprazole (Dosage) | Methylphenidate (Efficacy) |
| Atazanavir (Adverse effects) | Metoprolol (Dosage) |
| Atazanavir, Ritornavir (Interaction) | Metoprolol, Carvedilol, Propranolol (Efficacy) |
| Atenolol (Efficacy) | Mipomersen (Efficacy) |
| Atomoxetine (Dosage) | Mirtazapine (Efficacy) |
| Bevacizumab (Efficacy) | Montelukast (Dosage) |
| Bisoprolol (Efficacy) | Montelukast (Efficacy) |
| Bleomycin (Efficacy) | Morphine (Adverse effects) |
| Brexpiprazole (Dosage) | Morphine, Oxycodone, Fentanyl (Dosage) |
| Brivaracetam (Dosage) | Naltrexone (Efficacy) |
| Bupropion (Adverse effects) | Nelfinavir (Efficacy) |
| Bupropion in smoking cessation (Efficacy) | Nelfinavir on lymphocytes count (Efficacy) |
| Cabozantinib (Efficacy) | Nortriptyline (Dosage) |
| Caffeine (Adverse effects) | Olanzapine (Adverse effects) |
| Calcium channel blockers and diuretics (Efficacy) | Olanzapine (Efficacy) |
| Carbamazepine (Adverse effects) | Olaparib (Efficacy) |
| Carbamazepine (Dosage) | Omeprazole (Efficacy) |
| Carisoprodol (Adverse effects) | Oral antidiabetic drugs sulfonylureas (Dosage) |
| Carvedilol (Dosage) | Oral antidiabetic drugs sulfonylureas (Efficacy) |
| Celecoxib (Dosage) | Paclitaxel (Dosage) |
| Chlorthalidone (Efficacy) | Paclitaxel (Efficacy) |
| Cisplatin (Efficacy) | Paclitaxel in ovarian cancer treatment (Adverse effects) |
| Citalopram (Dosage) | Paclitaxel in solid tumour treatment (Adverse effects) |
| Clobazam (Efficacy) | Palonosetron (Efficacy) |
| Clomipramine (Dosage) | Pantoprazole (Efficacy) |
| Clopidogrel (Dosage) | Paracetamol (Efficacy) |
| Clozapine (Dosage) | Paroxetin (Dosage) |
| Codeine (Dosage) | Pegylated interferon alfa + Ribavirin / Bocepevir (Efficacy) |
| Corticosteroids + B2 Agonists (Efficacy) | Perphenazine (Dosage) |
| Cyclophosphamide, Fluorouracil, Methotrexate (Adverse effects) | Phenytoin (Dosage) |
| Cyclophosphamide, Fluorouracil, Methotrexate (Efficacy) | Phenytoin (Efficacy) |
| Cyclosporine (Dosage) | Pimozide (Dosage) |
| Desipramine (Dosage) | Prasugrel (Dosage) |
| Diazepam (Efficacy) | Prasugrel, Ticagrelor, Clopidogrel (Efficacy) |
| Disulfiram (Efficacy) | Pravastatin (Efficacy) |
| Docetaxel (Adverse effects) | Propranolol (Efficacy) |
| Donepezil, Galantamine (Dosage) | Pseudocholinesterase (Interaction) |
| Duloxetina (Efficacy) | Quetiapine (Dosage) |
| Eliglustat (Dosage) | Rabeprazole (Efficacy) |
| Erythromycin + Sulfisoxazole (Adverse effects) | Risperidone (Adverse effects) |
| Escitalopram (Dosage) | Risperidone (Dosage) |
| Esomeprazole (Efficacy) | Risperidone (Efficacy) |
| Fentanyl (Efficacy) | Rosiglitazone (Efficacy) |
| Fesoterodine (Dosage) | Selective Serotonin Reuptake Inhibitors (SSRIs) (Adverse effects) |
| Flecainide (Dosage) | Sertraline (Dosage) |
| Floxacillin (Adverse effects) | Sildenafil (Efficacy) |
| Fluorouracil (Adverse effects) | Sildenafil (Viagra) Response |
| Fluorouracil, Capecitabine, Tegafur (Adverse effects) | Simvastatin (Dosage) |
| Fluoxetine (Efficacy) | Statins (Adverse effects) |
| Fluoxetine, Citalopram, Escitalopram (Efficacy) | Tacrolimus (Dosage) |
| Fluvoxamine (Dosage) | Tamoxifen (Efficacy) |
| Furosemide, Torasemide (Efficacy) | Thioguanine, Azathioprine, Mercaptopurine (Dosage) |
| Gabapentin (Efficacy) | Ticagrelor (Dosage) |
| Gefitinib (Adverse effects) | Tolbutamide (Efficacy) |
| Gemcitabine (Adverse effects) | Tramadol (Dosage) |
| Gemcitabine in breast cancer treatment (Efficacy) | Trastuzumab (Efficacy) |
| Gemcitabine in non-small cell lung cancer treatment (Efficacy) | Triptans (Efficacy) |
| Gemcitabine in pancreatic cancer treatment (Efficacy) | Vaccination (Adverse effects) |
| Gemcitabine in the treatment of malignant mesiotheloma (Efficacy) | Valproic Acid (Adverse effects) |
| General anesthetics (Adverse effects) | Venlafaxine (Dosage) |
| Glimepiride, Glyburide, Gliclazide (Efficacy) | Venlafaxine (Efficacy) |
| Iloperidone (Dosage) | Vincristine (Adverse effects) |
| Iloperidone (Efficacy) | Vincristine (Dosage) |
| Imatinib (Efficacy) | Vincristine (Efficacy) |
| Inhaled corticosteroids (Efficacy) | Voriconazole (Adverse effects) |
| Irinotecan (Adverse effects) | Voriconazole (Dosage) |
| Ivacaftor (Efficacy) | Warfarin (Dosage) |
| Lansoprazole (Dosage) | Warfarin (Efficacy) |