Aspirin Carisoprodol Codeine Brand Name– Soma Compound with Codeine
What is Aspirin Carisoprodol Codeine
Aspirin, carisoprodol, and codeine are used together in an oral preparation to treat pain and painful musculoskeletal conditions.
Aspirin is a salicylate analgesic. Codeine is an opiate analgesic. Carisoprodol is a central-acting skeletal muscle relaxant.
One metabolite of carisoprodol is meprobamate, which is a commercially available anxiolytic agent. It is unclear, however, whether this metabolite is generated in quantities sufficient to produce a clinical effect.
Dependence, withdrawal, and abuse of both carisoprodol and codeine has been reported with prolonged use; a 2 to 3 week maximum therapy duration is recommended for this combination. Due to metabolism of carisoprodol to meprobamate via CYP2C19 and codeine to morphine via CYP2D6, drug interactions and variable patient response are possible.
Codeine is a prodrug that must be hepatically metabolized to morphine to provide effective analgesia.
Codeine metabolism is highly variable and unpredictable, particularly in children younger than 12 years; therapeutic response to recommended doses can range from lack of effect in poor metabolizers to fatality in ultra-rapid metabolizers.
Codeine use is contraindicated in pediatric patients younger than 12 years.
The American Academy of Pediatrics (AAP) recommends against the use of codeine and codeine-containing products in all pediatric patients for any indication.
Indications
- muscle spasm
- musculoskeletal pain
For the treatment of acute, painful musculoskeletal conditions (e.g., musculoskeletal pain, muscle spasm)
Side Effects
- abdominal pain
- agitation
- anaphylactoid reactions
- anorexia
- ataxia
- bronchospasm
- constipation
- depression
- dizziness
- drowsiness
- elevated hepatic enzymes
- flushing
- gastritis
- GI bleeding
- GI obstruction
- GI perforation
- headache
- hematemesis
- insomnia
- interstitial nephritis
- intracranial bleeding
- irritability
- leukopenia
- melena
- miosis
- nausea
- neonatal opioid withdrawal syndrome
- orthostatic hypotension
- pancytopenia
- peptic ulcer
- physiological dependence
- pruritus
- psychological dependence
- purpura
- rash
- renal failure (unspecified)
- respiratory arrest
- respiratory depression
- seizures
- sinus tachycardia
- stool discoloration
- syncope
- tinnitus
- tremor
- vertigo
- vomiting
Monitoring Parameters
- laboratory monitoring not necessary
Contraindications
- abrupt discontinuation
- accidental exposure
- acute abdomen
- adenoidectomy
- alcoholism
- anticoagulant therapy
- Asian patients
- asthma
- biliary tract disease
- Black patients
- bradycardia
- breast-feeding
- carbamate hypersensitivity
- Caucasian patients
- children
- chronic obstructive pulmonary disease (COPD)
- CNS depression
- coadministration with other CNS depressants
- constipation
- dehydration
- driving or operating machinery
- geriatric
- GI bleeding
- GI disease
- GI obstruction
- GI perforation
- head trauma
- hepatic disease
- Hispanic patients
- hypotension
- hypovolemia
- ileus
- increased intracranial pressure
- infants
- inflammatory bowel disease
- influenza
- labor
- MAOI therapy
- nasal polyps
- neonatal opioid withdrawal syndrome
- neonates
- neurological disease
- obesity
- obstetric delivery
- orthostatic hypotension
- pancreatitis
- peptic ulcer disease
- porphyria
- potential for overdose or poisoning
- pregnancy
- pulmonary disease
- renal impairment
- respiratory depression
- respiratory infection
- respiratory insufficiency
- Reye’s syndrome
- seizure disorder
- seizures
- sleep apnea
- substance abuse
- tonsillectomy
- ulcerative colitis
- urinary retention
- varicella
- viral infection
Interactions
- Abciximab
- Abiraterone
- Acetaminophen
- Acetaminophen; Aspirin, ASA; Caffeine
- Acetaminophen; Butalbital
- Acetaminophen; Butalbital; Caffeine
- Acetaminophen; Butalbital; Caffeine; Codeine
- Acetaminophen; Caffeine
- Acetaminophen; Caffeine; Dihydrocodeine
- Acetaminophen; Caffeine; Magnesium Salicylate; Phenyltoloxamine
- Acetaminophen; Caffeine; Phenyltoloxamine; Salicylamide
- Acetaminophen; Chlorpheniramine; Dextromethorphan; Phenylephrine
- Acetaminophen; Chlorpheniramine; Dextromethorphan; Pseudoephedrine
- Acetaminophen; Chlorpheniramine; Phenylephrine; Phenyltoloxamine
- Acetaminophen; Codeine
- Acetaminophen; Dextromethorphan
- Acetaminophen; Dextromethorphan; Doxylamine
- Acetaminophen; Dextromethorphan; Guaifenesin; Phenylephrine
- Acetaminophen; Dextromethorphan; Phenylephrine
- Acetaminophen; Dextromethorphan; Pseudoephedrine
- Acetaminophen; Dichloralphenazone; Isometheptene
- Acetaminophen; Diphenhydramine
- Acetaminophen; Guaifenesin; Phenylephrine
- Acetaminophen; Hydrocodone
- Acetaminophen; Oxycodone
- Acetaminophen; Pentazocine
- Acetaminophen; Propoxyphene
- Acetaminophen; Pseudoephedrine
- Acetaminophen; Tramadol
- Acetazolamide
- Acetohexamide
- Acidifying Agents
- Acrivastine; Pseudoephedrine
- Ado-Trastuzumab emtansine
- Aldesleukin, IL-2
- Alfentanil
- Aliskiren; Amlodipine
- Aliskiren; Amlodipine; Hydrochlorothiazide, HCTZ
- Aliskiren; Hydrochlorothiazide, HCTZ
- Alkalinizing Agents
- Almotriptan
- Alogliptin
- Alogliptin; Metformin
- Alogliptin; Pioglitazone
- Alosetron
- Alpha-glucosidase Inhibitors
- Alprazolam
- Alvimopan
- Amide local anesthetics
- Amifampridine
- Amiloride
- Amiloride; Hydrochlorothiazide, HCTZ
- Aminoglycosides
- Amiodarone
- Amitriptyline
- Amitriptyline; Chlordiazepoxide
- Amlodipine
- Amlodipine; Atorvastatin
- Amlodipine; Benazepril
- Amlodipine; Celecoxib
- Amlodipine; Hydrochlorothiazide, HCTZ; Olmesartan
- Amlodipine; Hydrochlorothiazide, HCTZ; Valsartan
- Amlodipine; Olmesartan
- Amlodipine; Telmisartan
- Amlodipine; Valsartan
- Amobarbital
- Amoxapine
- Amoxicillin
- Amoxicillin; Clarithromycin; Lansoprazole
- Amoxicillin; Clarithromycin; Omeprazole
- Amoxicillin; Clavulanic Acid
- Amphotericin B
- Amphotericin B cholesteryl sulfate complex (ABCD)
- Amphotericin B lipid complex (ABLC)
- Amphotericin B liposomal (LAmB)
- Ampicillin
- Ampicillin; Sulbactam
- Anagrelide
- Angiotensin-converting enzyme inhibitors
- Anticholinergics
- Antithrombin III
- Antithymocyte Globulin
- Apalutamide
- Apixaban
- Apomorphine
- Apraclonidine
- Aprepitant, Fosaprepitant
- Ardeparin
- Aripiprazole
- Artemether; Lumefantrine
- Articaine; Epinephrine
- Ascorbic Acid, Vitamin C
- Asenapine
- Aspirin, ASA; Butalbital; Caffeine
- Aspirin, ASA; Butalbital; Caffeine; Codeine
- Aspirin, ASA; Caffeine; Dihydrocodeine
- Aspirin, ASA; Caffeine; Orphenadrine
- Aspirin, ASA; Carisoprodol
- Aspirin, ASA; Citric Acid; Sodium Bicarbonate
- Aspirin, ASA; Dipyridamole
- Aspirin, ASA; Omeprazole
- Aspirin, ASA; Oxycodone
- Atazanavir
- Atazanavir; Cobicistat
- Atenolol; Chlorthalidone
- Atropine; Benzoic Acid; Hyoscyamine; Methenamine; Methylene Blue; Phenyl Salicylate
- Atropine; Difenoxin
- Atropine; Diphenoxylate
- Atropine; Hyoscyamine; Phenobarbital; Scopolamine
- Azelastine
- Azelastine; Fluticasone
- Azilsartan; Chlorthalidone
- Bacitracin
- Baclofen
- Barbiturates
- Belladonna Alkaloids; Ergotamine; Phenobarbital
- Belladonna; Opium
- Benazepril
- Benazepril; Hydrochlorothiazide, HCTZ
- Bendroflumethiazide; Nadolol
- Benzhydrocodone; Acetaminophen
- Benzodiazepines
- Benzoic Acid; Hyoscyamine; Methenamine; Methylene Blue; Phenyl Salicylate
- Benzonatate
- Beta-blockers
- Bethanechol
- Betrixaban
- Bexarotene
- Bismuth Subcitrate Potassium; Metronidazole; Tetracycline
- Bismuth Subsalicylate
- Bismuth Subsalicylate; Metronidazole; Tetracycline
- Bisoprolol; Hydrochlorothiazide, HCTZ
- Bisphosphonates
- Bortezomib
- Bosentan
- Botulinum Toxins
- Brexpiprazole
- Brigatinib
- Brimonidine
- Brimonidine; Brinzolamide
- Brimonidine; Timolol
- Bromocriptine
- Brompheniramine
- Brompheniramine; Carbetapentane; Phenylephrine
- Brompheniramine; Dextromethorphan; Guaifenesin
- Brompheniramine; Guaifenesin; Hydrocodone
- Brompheniramine; Hydrocodone; Pseudoephedrine
- Brompheniramine; Pseudoephedrine
- Bumetanide
- Bupivacaine
- Bupivacaine Liposomal
- Bupivacaine; Lidocaine
- Buprenorphine
- Buprenorphine; Naloxone
- Bupropion
- Bupropion; Naltrexone
- Buspirone
- Butabarbital
- Butorphanol
- Calcium Carbonate
- Calcium Carbonate; Magnesium Hydroxide
- Calcium Carbonate; Risedronate
- Calcium Carbonate; Simethicone
- Canagliflozin
- Canagliflozin; Metformin
- Candesartan; Hydrochlorothiazide, HCTZ
- Cannabidiol
- Capreomycin
- Capsaicin; Metaxalone
- Captopril
- Captopril; Hydrochlorothiazide, HCTZ
- Carbamazepine
- Carbenicillin
- Carbetapentane; Chlorpheniramine
- Carbetapentane; Chlorpheniramine; Phenylephrine
- Carbetapentane; Diphenhydramine; Phenylephrine
- Carbetapentane; Guaifenesin
- Carbetapentane; Guaifenesin; Phenylephrine
- Carbetapentane; Phenylephrine
- Carbetapentane; Phenylephrine; Pyrilamine
- Carbetapentane; Pseudoephedrine
- Carbetapentane; Pyrilamine
- Carbidopa; Levodopa; Entacapone
- Carbinoxamine
- Carbinoxamine; Dextromethorphan; Pseudoephedrine
- Carbinoxamine; Hydrocodone; Phenylephrine
- Carbinoxamine; Hydrocodone; Pseudoephedrine
- Carbinoxamine; Phenylephrine
- Carbinoxamine; Pseudoephedrine
- Cariprazine
- Carisoprodol
- Cefixime
- Cefotetan
- Celecoxib
- Cenobamate
- Ceritinib
- Cetirizine
- Cetirizine; Pseudoephedrine
- Chlophedianol; Dexbrompheniramine
- Chlophedianol; Dexchlorpheniramine; Pseudoephedrine
- Chloral Hydrate
- Chloramphenicol
- Chlorcyclizine
- Chlordiazepoxide
- Chlordiazepoxide; Clidinium
- Chloroprocaine
- Chlorothiazide
- Chlorpheniramine
- Chlorpheniramine; Codeine
- Chlorpheniramine; Dextromethorphan
- Chlorpheniramine; Dextromethorphan; Phenylephrine
- Chlorpheniramine; Dihydrocodeine; Phenylephrine
- Chlorpheniramine; Dihydrocodeine; Pseudoephedrine
- Chlorpheniramine; Guaifenesin; Hydrocodone; Pseudoephedrine
- Chlorpheniramine; Hydrocodone
- Chlorpheniramine; Hydrocodone; Phenylephrine
- Chlorpheniramine; Hydrocodone; Pseudoephedrine
- Chlorpheniramine; Phenylephrine
- Chlorpheniramine; Pseudoephedrine
- Chlorpromazine
- Chlorpropamide
- Chlorthalidone
- Chlorthalidone; Clonidine
- Chlorzoxazone
- Cidofovir
- Cilostazol
- Cimetidine
- Cinacalcet
- Ciprofloxacin
- Citalopram
- Citric Acid; Potassium Citrate
- Citric Acid; Potassium Citrate; Sodium Citrate
- Citric Acid; Sodium Citrate
- Clarithromycin
- Clemastine
- Clobazam
- Clomipramine
- Clonazepam
- Clonidine
- Clopidogrel
- Clorazepate
- Clozapine
- Cobicistat
- Codeine; Phenylephrine; Promethazine
- Codeine; Promethazine
- Colchicine; Probenecid
- Colistimethate, Colistin, Polymyxin E
- Collagenase
- COMT inhibitors
- Conivaptan
- Corticosteroids
- Crizotinib
- Crofelemer
- Cyclizine
- Cyclobenzaprine
- Cyclosporine
- Cyproheptadine
- Dabigatran
- Dabrafenib
- Dacomitinib
- Dalfopristin; Quinupristin
- Dalteparin
- Danazol
- Dantrolene
- Dapagliflozin
- Dapagliflozin; Metformin
- Dapagliflozin; Saxagliptin
- Daratumumab; Hyaluronidase
- Darifenacin
- Darunavir
- Darunavir; Cobicistat
- Darunavir; Cobicistat; Emtricitabine; Tenofovir alafenamide
- Dasabuvir; Ombitasvir; Paritaprevir; Ritonavir
- Deferasirox
- Defibrotide
- Delavirdine
- Desflurane
- Desipramine
- Desmopressin
- Desvenlafaxine
- Deutetrabenazine
- Dexamethasone
- Dexchlorpheniramine
- Dexchlorpheniramine; Dextromethorphan; Pseudoephedrine
- Dexmedetomidine
- Dexpanthenol
- Dextromethorphan
- Dextromethorphan; Diphenhydramine; Phenylephrine
- Dextromethorphan; Guaifenesin
- Dextromethorphan; Guaifenesin; Phenylephrine
- Dextromethorphan; Guaifenesin; Potassium Guaiacolsulfonate
- Dextromethorphan; Guaifenesin; Pseudoephedrine
- Dextromethorphan; Promethazine
- Dextromethorphan; Quinidine
- Diazepam
- Dichlorphenamide
- Diclofenac
- Diclofenac; Misoprostol
- Dicloxacillin
- Diflunisal
- Dihydrocodeine; Guaifenesin; Pseudoephedrine
- Diltiazem
- Dimenhydrinate
- Diphenhydramine
- Diphenhydramine; Hydrocodone; Phenylephrine
- Diphenhydramine; Ibuprofen
- Diphenhydramine; Naproxen
- Diphenhydramine; Phenylephrine
- Dipyridamole
- Dolasetron
- Doravirine; Lamivudine; Tenofovir disoproxil fumarate
- Doxepin
- Doxylamine
- Doxylamine; Pyridoxine
- Dronabinol
- Dronedarone
- Droperidol
- Drotrecogin Alfa
- Duloxetine
- Edoxaban
- Efalizumab
- Efavirenz
- Efavirenz; Emtricitabine; Tenofovir
- Efavirenz; Lamivudine; Tenofovir Disoproxil Fumarate
- Elagolix
- Elagolix; Estradiol; Norethindrone acetate
- Elbasvir; Grazoprevir
- Eletriptan
- Eliglustat
- Eltrombopag
- Eluxadoline
- Elvitegravir; Cobicistat; Emtricitabine; Tenofovir Alafenamide
- Elvitegravir; Cobicistat; Emtricitabine; Tenofovir Disoproxil Fumarate
- Empagliflozin
- Empagliflozin; Linagliptin
- Empagliflozin; Linagliptin; Metformin
- Empagliflozin; Metformin
- Emtricitabine; Rilpivirine; Tenofovir disoproxil fumarate
- Emtricitabine; Tenofovir disoproxil fumarate
- Enalapril, Enalaprilat
- Enalapril; Felodipine
- Enalapril; Hydrochlorothiazide, HCTZ
- Enflurane
- Enoxaparin
- Entacapone
- Enzalutamide
- Epoprostenol
- Eprosartan; Hydrochlorothiazide, HCTZ
- Eptifibatide
- Ertugliflozin; Metformin
- Ertugliflozin; Sitagliptin
- Erythromycin
- Erythromycin; Sulfisoxazole
- Escitalopram
- Esketamine
- Eslicarbazepine
- Esomeprazole
- Esomeprazole; Naproxen
- Estazolam
- Eszopiclone
- Ethacrynic Acid
- Ethanol
- Ethotoin
- Etodolac
- Etomidate
- Etravirine
- Everolimus
- Famotidine; Ibuprofen
- Fedratinib
- Felbamate
- Fenofibric Acid
- Fenoprofen
- Fentanyl
- Fesoterodine
- Fish Oil, Omega-3 Fatty Acids (Dietary Supplements)
- Flavocoxid, Flavocoxid; Citrated Zinc Bisglycinate
- Flibanserin
- Fluconazole
- Fluoxetine
- Fluoxetine; Olanzapine
- Fluphenazine
- Flurazepam
- Flurbiprofen
- Fluvoxamine
- Fondaparinux
- Fosamprenavir
- Foscarnet
- Fosinopril
- Fosinopril; Hydrochlorothiazide, HCTZ
- Fosphenytoin
- Fospropofol
- Fostamatinib
- Frovatriptan
- Furosemide
- Gabapentin
- Gallium Ga 68 Dotatate
- Garlic, Allium sativum
- General anesthetics
- Ginger, Zingiber officinale
- Ginkgo, Ginkgo biloba
- Givosiran
- Glimepiride
- Glimepiride; Pioglitazone
- Glimepiride; Rosiglitazone
- Glipizide
- Glipizide; Metformin
- Glyburide
- Glyburide; Metformin
- Granisetron
- grapefruit juice
- Green Tea
- Griseofulvin
- Guaifenesin; Hydrocodone
- Guaifenesin; Hydrocodone; Pseudoephedrine
- Guanabenz
- Guanfacine
- Haloperidol
- Halothane
- Heparin
- Homatropine; Hydrocodone
- Hyaluronidase
- Hyaluronidase, Recombinant; Immune Globulin
- Hydralazine; Hydrochlorothiazide, HCTZ
- Hydrochlorothiazide, HCTZ
- Hydrochlorothiazide, HCTZ; Irbesartan
- Hydrochlorothiazide, HCTZ; Lisinopril
- Hydrochlorothiazide, HCTZ; Losartan
- Hydrochlorothiazide, HCTZ; Methyldopa
- Hydrochlorothiazide, HCTZ; Metoprolol
- Hydrochlorothiazide, HCTZ; Moexipril
- Hydrochlorothiazide, HCTZ; Olmesartan
- Hydrochlorothiazide, HCTZ; Propranolol
- Hydrochlorothiazide, HCTZ; Quinapril
- Hydrochlorothiazide, HCTZ; Spironolactone
- Hydrochlorothiazide, HCTZ; Telmisartan
- Hydrochlorothiazide, HCTZ; Triamterene
- Hydrochlorothiazide, HCTZ; Valsartan
- Hydrocodone
- Hydrocodone; Ibuprofen
- Hydrocodone; Phenylephrine
- Hydrocodone; Potassium Guaiacolsulfonate
- Hydrocodone; Potassium Guaiacolsulfonate; Pseudoephedrine
- Hydrocodone; Pseudoephedrine
- Hydromorphone
- Hydroxyzine
- Hyoscyamine; Methenamine; Methylene Blue; Phenyl Salicylate; Sodium Biphosphate
- Ibritumomab Tiuxetan
- Ibrutinib
- Ibuprofen
- Ibuprofen; Oxycodone
- Ibuprofen; Pseudoephedrine
- Idelalisib
- Iloperidone
- Iloprost
- Imatinib
- Imipramine
- Immune Globulin IV, IVIG, IGIV
- Incretin Mimetics
- Indapamide
- Indinavir
- Indomethacin
- Inotersen
- Insulins
- Intravenous Lipid Emulsions
- Iron Sucrose, Sucroferric Oxyhydroxide
- Isavuconazonium
- Isocarboxazid
- Isoflurane
- Isoniazid, INH
- Isoniazid, INH; Pyrazinamide, PZA; Rifampin
- Isoniazid, INH; Rifampin
- Istradefylline
- Itraconazole
- Ketamine
- Ketoconazole
- Ketoprofen
- Ketorolac
- Lamivudine; Tenofovir Disoproxil Fumarate
- Lansoprazole; Naproxen
- Lapatinib
- Larotrectinib
- Lasmiditan
- Lefamulin
- Lemborexant
- Lesinurad
- Lesinurad; Allopurinol
- Letermovir
- Levobupivacaine
- Levocetirizine
- Levomilnacipran
- Levorphanol
- Lidocaine
- Lidocaine; Prilocaine
- Linagliptin
- Linagliptin; Metformin
- Lincosamides
- Linezolid
- Lisinopril
- Lofexidine
- Loop diuretics
- Loperamide
- Loperamide; Simethicone
- Lopinavir; Ritonavir
- Lorazepam
- Lorlatinib
- Low Molecular Weight Heparins
- Loxapine
- Luliconazole
- Lumacaftor; Ivacaftor
- Lumateperone
- Lurasidone
- Macimorelin
- Magnesium Salts
- Mannitol
- Maprotiline
- Measles Virus; Mumps Virus; Rubella Virus; Varicella Virus Vaccine, Live
- Meclizine
- Meclofenamate Sodium
- Mefenamic Acid
- Meglitinides
- Melatonin
- Meloxicam
- Mepenzolate
- Meperidine
- Meperidine; Promethazine
- Mephobarbital
- Mepivacaine
- Mepivacaine; Levonordefrin
- Meprobamate
- Mesoridazine
- Metaxalone
- Metformin
- Metformin; Pioglitazone
- Metformin; Repaglinide
- Metformin; Rosiglitazone
- Metformin; Saxagliptin
- Metformin; Sitagliptin
- Methadone
- Methazolamide
- Methenamine; Sodium Acid Phosphate; Methylene Blue; Hyoscyamine
- Methocarbamol
- Methohexital
- Methotrexate
- Methscopolamine
- Methyclothiazide
- Methyldopa
- Methylene Blue
- Methylsulfonylmethane, MSM
- Metoclopramide
- Metolazone
- Metyrapone
- Metyrosine
- Midazolam
- Mifepristone
- Milnacipran
- Minocycline
- Mirabegron
- Mirtazapine
- Mitotane
- Modafinil
- Moexipril
- Molindone
- Monoamine oxidase inhibitors
- Morphine
- Morphine; Naltrexone
- Muromonab-CD3
- Mycophenolate
- Nabilone
- Nabumetone
- Nafcillin
- Nalbuphine
- Naloxone
- Naltrexone
- Naproxen
- Naproxen; Pseudoephedrine
- Naproxen; Sumatriptan
- Naratriptan
- Nateglinide
- Nefazodone
- Nelfinavir
- Nesiritide, BNP
- Netupitant, Fosnetupitant; Palonosetron
- Nevirapine
- Nilotinib
- Nitazoxanide
- Nitroglycerin
- Nortriptyline
- Octreotide
- Olanzapine
- Omacetaxine
- Ombitasvir; Paritaprevir; Ritonavir
- Ombitasvir; Paritaprevir; Ritonavir
- Omeprazole
- Omeprazole; Amoxicillin; Rifabutin
- Omeprazole; Sodium Bicarbonate
- Ondansetron
- Oritavancin
- Orphenadrine
- Osilodrostat
- Oxacillin
- Oxaprozin
- Oxazepam
- Oxcarbazepine
- Oxycodone
- Oxymorphone
- Ozanimod
- Palbociclib
- Paliperidone
- Palonosetron
- Panobinostat
- Papaverine
- Paroxetine
- Peginterferon Alfa-2b
- Pegvisomant
- Penicillin G
- Penicillin G Benzathine
- Penicillin G Benzathine; Penicillin G Procaine
- Penicillin G Procaine
- Penicillin V
- Penicillins
- Pentazocine
- Pentazocine; Naloxone
- Pentobarbital
- Pentosan
- Pentoxifylline
- Perampanel
- Perindopril
- Perindopril; Amlodipine
- Perphenazine
- Perphenazine; Amitriptyline
- Phenelzine
- Phenobarbital
- Phenothiazines
- Phentermine; Topiramate
- Phenylephrine; Promethazine
- Phenytoin
- Phosphorated Carbohydrate Solution
- Phosphorus
- Photosensitizing agents (topical)
- Pimozide
- Pioglitazone
- Piperacillin
- Piperacillin; Tazobactam
- Piroxicam
- Pneumococcal Vaccine, Polyvalent
- Polymyxins
- Posaconazole
- Potassium Bicarbonate
- Potassium Chloride
- Potassium Citrate
- Potassium Phosphate
- Potassium Phosphate; Sodium Phosphate
- Potassium-sparing diuretics
- Pramipexole
- Pramlintide
- Prasterone, Dehydroepiandrosterone, DHEA (Dietary Supplements)
- Prasterone, Dehydroepiandrosterone, DHEA (FDA-approved)
- Prasugrel
- Pregabalin
- Prilocaine
- Prilocaine; Epinephrine
- Primidone
- Probenecid
- Procarbazine
- Prochlorperazine
- Promethazine
- Propafenone
- Propofol
- Protriptyline
- Psyllium
- Quazepam
- Quetiapine
- Quinapril
- Quinidine
- Quinine
- Ramelteon
- Ramipril
- Ranolazine
- Rasagiline
- Remifentanil
- Repaglinide
- Ribociclib
- Ribociclib; Letrozole
- Rifabutin
- Rifampin
- Rifapentine
- Rifaximin
- Risperidone
- Ritonavir
- Rituximab; Hyaluronidase
- Rivaroxaban
- Rizatriptan
- Rolapitant
- Ropinirole
- Ropivacaine
- Rosiglitazone
- Rotigotine
- Rucaparib
- Safinamide
- Salicylic Acid
- Saquinavir
- Saxagliptin
- Secobarbital
- Sedating H1-blockers
- Selective serotonin reuptake inhibitors
- Selegiline
- Selpercatinib
- Serotonin norepinephrine reuptake inhibitors
- Serotonin-Receptor Agonists
- Serotonin-Receptor Antagonists
- Sertraline
- Sevoflurane
- Sibutramine
- Sildenafil
- Simvastatin; Sitagliptin
- Sitagliptin
- Skeletal Muscle Relaxants
- Sodium Bicarbonate
- Sodium Hyaluronate, Hyaluronic Acid
- Sodium Lactate
- Sodium Oxybate
- Sodium Thiosulfate; Salicylic Acid
- Solifenacin
- Spironolactone
- St. John’s Wort, Hypericum perforatum
- Streptogramins
- Sufentanil
- Sulfinpyrazone
- Sulfonamides
- Sulfonylureas
- Sulindac
- Sumatriptan
- Suvorexant
- Tacrolimus
- Tapentadol
- Tasimelteon
- Tazemetostat
- Telavancin
- Telithromycin
- Telotristat Ethyl
- Temazepam
- Tenofovir Alafenamide
- Tenofovir, PMPA
- Terbinafine
- Tetrabenazine
- Tetracaine
- Thalidomide
- Thiazide diuretics
- Thiazolidinediones
- Thiethylperazine
- Thiopental
- Thioridazine
- Thiothixene
- Thrombin Inhibitors
- Thrombolytic Agents
- Ticagrelor
- Ticarcillin
- Ticarcillin; Clavulanic Acid
- Ticlopidine
- Tinzaparin
- Tipranavir
- Tirofiban
- Tizanidine
- Tolazamide
- Tolbutamide
- Tolcapone
- Tolmetin
- Tolterodine
- Topiramate
- Torsemide
- Tramadol
- Trandolapril
- Trandolapril; Verapamil
- Tranylcypromine
- Trastuzumab; Hyaluronidase
- Trazodone
- Treprostinil
- Triamterene
- Triazolam
- Tricyclic antidepressants
- Trifluoperazine
- Trimethobenzamide
- Trimipramine
- Triprolidine
- Tromethamine
- Trospium
- Tucatinib
- Valerian, Valeriana officinalis
- Valproic Acid, Divalproex Sodium
- Vancomycin
- Varicella-Zoster Virus Vaccine, Live
- Venlafaxine
- Verapamil
- Verteporfin
- Vigabatrin
- Vilazodone
- Vorapaxar
- Voriconazole
- Vortioxetine
- Voxelotor
- Warfarin
- Zafirlukast
- Zaleplon
- Ziconotide
- Ziprasidone
- Zolmitriptan
- Zolpidem