What's on this Page
What is Ranitidine
Ranitidine is an oral and parenteral histamine type 2-receptor antagonist used in the treatment of various gastrointestinal disorders such as peptic ulcer and gastroesophageal reflux disease (GERD).
Indications
- anaphylaxis
- angioedema
- aspiration prophylaxis
- duodenal ulcer
- dyspepsia
- esophagitis
- gastric ulcer
- gastritis
- gastroesophageal reflux disease (GERD)
- multiple endocrine adenoma syndrome
- NSAID-induced ulcer prophylaxis
- pyrosis (heartburn)
- stress gastritis prophylaxis
- systemic mastocytosis
- urticaria
- Zollinger-Ellison syndrome
Side Effects
- abdominal pain
- agitation
- agranulocytosis
- alopecia
- anaphylactoid reactions
- angioedema
- aplastic anemia
- arthralgia
- asthenia
- atrophic gastritis
- AV block
- blurred vision
- bradycardia
- bronchospasm
- confusion
- constipation
- cough
- depression
- diarrhea
- dizziness
- drowsiness
- elevated hepatic enzymes
- eosinophilia
- erythema multiforme
- fever
- galactorrhea
- gynecomastia
- hallucinations
- headache
- hemolytic anemia
- hepatitis
- impotence (erectile dysfunction)
- infection
- injection site reaction
- insomnia
- interstitial nephritis
- jaundice
- leukopenia
- libido decrease
- malaise
- myalgia
- nausea
- neutropenia
- pancreatitis
- pancytopenia
- paranoia
- pernicious anemia
- premature ventricular contractions (PVCs)
- pruritus
- rash
- sinus tachycardia
- thrombocytopenia
- toxic epidermal necrolysis
- vasculitis
- vertigo
- vitamin B12 deficiency
- vomiting
Monitoring Parameters
- intragastric pH
- LFTs
- serum creatinine/BUN
- stool guaiac
Contraindications
- bradycardia
- breast-feeding
- cardiac disease
- children
- gastric cancer
- geriatric
- H2-blocker hypersensitivity
- hepatic disease
- infants
- infection
- neonates
- porphyria
- pregnancy
- premature neonates
- renal disease
- renal failure
- renal impairment
- tobacco smoking
- vitamin B12 deficiency
Interactions
- Acalabrutinib
- Acetohexamide
- Adefovir
- Alendronate
- Alendronate; Cholecalciferol
- Alogliptin; Pioglitazone
- Amphetamine; Dextroamphetamine Salts
- Atazanavir
- Atazanavir; Cobicistat
- Atracurium
- Bisacodyl
- Bismuth Subsalicylate
- Bismuth Subsalicylate; Metronidazole; Tetracycline
- Bosutinib
- Budesonide
- Budesonide; Formoterol
- Calcium Carbonate; Risedronate
- Cefditoren
- Cefpodoxime
- Ceftibuten
- Cefuroxime
- Chlorpropamide
- Cisatracurium
- Cyclosporine
- Cysteamine
- Dacomitinib
- Darunavir
- Darunavir; Cobicistat
- Darunavir; Cobicistat; Emtricitabine; Tenofovir alafenamide
- Dasatinib
- Delavirdine
- Dexmethylphenidate
- Diphenhydramine; Naproxen
- Dirithromycin
- Dolutegravir; Rilpivirine
- Donepezil; Memantine
- Eliglustat
- Emtricitabine; Rilpivirine; Tenofovir alafenamide
- Emtricitabine; Rilpivirine; Tenofovir disoproxil fumarate
- Entecavir
- Erlotinib
- Esomeprazole; Naproxen
- Ethanol
- Flibanserin
- Fluvastatin
- Fosamprenavir
- Gefitinib
- Glimepiride
- Glimepiride; Pioglitazone
- Glimepiride; Rosiglitazone
- Glipizide
- Glipizide; Metformin
- Glyburide
- Glyburide; Metformin
- Iron
- Itraconazole
- Ketoconazole
- Lansoprazole; Naproxen
- Ledipasvir; Sofosbuvir
- Lemborexant
- Lomefloxacin
- Lomitapide
- Loperamide
- Loperamide; Simethicone
- Lumacaftor; Ivacaftor
- Mefloquine
- Memantine
- Mesalamine, 5-ASA
- Metformin; Pioglitazone
- Methylphenidate
- Midazolam
- Midodrine
- Mivacurium
- Naproxen
- Naproxen; Pseudoephedrine
- Naproxen; Sumatriptan
- Neratinib
- Nicardipine
- Nifedipine
- Nilotinib
- Pancuronium
- Pazopanib
- Pexidartinib
- Pioglitazone
- Polyethylene Glycol; Electrolytes; Bisacodyl
- Ponatinib
- Procainamide
- Propantheline
- Ranolazine
- Rilpivirine
- Risedronate
- Risperidone
- Rocuronium
- Saquinavir
- Secretin
- Selpercatinib
- Sofosbuvir; Velpatasvir
- Sofosbuvir; Velpatasvir; Voxilaprevir
- Sonidegib
- Sulfonylureas
- Thalidomide
- Tolazamide
- Tolbutamide
- Triazolam
- Trospium
- Vecuronium