Acamprosate DR


Acamprosate DR Side Effects

Diarrhea, nausea, vomiting, gas, stomach pain, loss of appetite, headache, drowsiness, dizziness, constipation, fatigue, weight gain/loss, muscle/joint pain, change in sexual desire or decreased sexual ability may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: mental/mood changes (including severe depression, thoughts of suicide), signs of kidney problems (such as change in the amount of urine), fainting, fast or pounding heartbeat, vision or hearing changes, increased thirst.

Get medical help right away if you have any very serious side effects, including: stomach/abdominal pain that doesn't go away, black stools, vomit that looks like coffee grounds, seizures.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
  • infection
  • malignant neoplasm of liver
  • goiter
  • hypothyroidism
  • diabetes mellitus
  • vitamin deficiency
  • gout
  • hyponatremia
  • anemia
  • thrombocytopenic disorder
  • leukopenia
  • eosinophilia
  • lymphocytosis
  • drug-induced psychosis
  • acute confusion
  • manic disorder
  • paranoid disorder
  • depersonalization
  • suicidal
  • suicidal ideation
  • abnormal sexual function
  • libido changes
  • disorder of ejaculation
  • agitation
  • depression
  • hostility
  • hyperkinesis
  • spasmodic torticollis
  • migraine
  • encephalopathy
  • myopathy
  • amblyopia
  • photophobia
  • diplopia
  • visual changes
  • tinnitus
  • hearing loss
  • hypertension
  • acute myocardial infarction
  • angina
  • pulmonary thromboembolism
  • cardiomyopathy
  • chronic heart failure
  • thrombophlebitis
  • varicose veins
  • orthostatic hypotension
  • hypotension
  • hemorrhage
  • ecchymosis
  • vasodilation of blood vessels
  • pharyngitis
  • rhinitis
  • laryngismus
  • pneumonia
  • bronchitis
  • asthma
  • sialorrhea
  • xerostomia
  • aphthous stomatitis
  • esophagitis
  • gastric ulcer
  • duodenal ulcer
  • gastritis
  • dyspepsia
  • abdominal herniation
  • colitis
  • gastroenteritis
  • constipation
  • rectal bleeding
  • hepatitis
  • cholecystitis
  • acute pancreatitis
  • black tarry stools
  • gastrointestinal hemorrhage
  • acute renal failure
  • kidney stone
  • urinary tract infection
  • hematuria
  • erectile dysfunction
  • vaginitis
  • menorrhagia
  • abnormal vaginal bleeding
  • skin photosensitivity
  • bullous dermatitis
  • exfoliative dermatitis
  • psoriasis
  • pruritus of skin
  • alopecia
  • acne vulgaris
  • dry skin
  • urticaria
  • rheumatoid arthritis
  • arthralgia
  • neck pain
  • back pain
  • myalgia
  • neuralgia
  • cramps in legs
  • abscess
  • drowsy

Drug Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.