Alcohol Liver Disease Signs and Symptoms

Alcohol liver disease

This information on ALCOHOLIC LIVER DISEASE (ALD) should be considered as informational in nature and is not intended to be a substitute for professional, medical, or clinical judgment.


Answer: ALCOHOLIC LIVER DISEASE (ALD), is a serious and potentially fatal consequence of drinking alcohol. Another disorder, hepatitis C, often is found in patients with ALD. ALCOHOLIC LIVER DISEASE

The liver is one of the largest and most complex organs in the body. It stores vital energy and nutrients, manufactures proteins and enzymes necessary for good health, protects the body from disease, and breaks down (or metabolizes) and helps remove harmful toxins, like alcohol, from the body.

Because the liver is the chief organ responsible for metabolizing alcohol, it is especially vulnerable to alcohol-related injury. Even as few as three drinks at one time may have toxic effects on the liver when combined with certain over-the-counter medications, such as those containing acetaminophen.

ALCOHOLIC LIVER DISEASE (ALD), is a serious and potentially fatal consequence of drinking alcohol. Another disorder, hepatitis C, often is found in patients with ALD.


Alcohol cirrhosis of liver

ALD includes three conditions: fatty liver, alcoholic hepatitis, and cirrhosis. Heavy drinking for as little as a few days can lead to "fatty" liver, or steatosis-the earliest stage of alcoholic liver disease and the most common alcohol-induced liver disorder. Steatosis is marked by an excessive buildup of fat inside liver cells. This condition can be reversed, however, when drinking stops.

Drinking heavily for longer periods may lead to a more severe, and potentially fatal condition, alcoholic hepatitis-an inflammation of the liver. Symptoms include nausea, lack of appetite, vomiting, fever, abdominal pain and tenderness, jaundice, and, sometimes, mental confusion.

Scientists believe that if drinking continues, in some patients this inflammation eventually leads to alcoholic cirrhosis, in which healthy liver cells are replaced by scar tissue (fibrosis), leaving the liver unable to perform its vital functions.

The presence of alcoholic hepatitis is a red flag that cirrhosis may soon follow: Up to 70 percent of all alcoholic hepatitis patients eventually may go on to develop cirrhosis. Patients with alcoholic hepatitis who stop drinking may have a complete recovery from liver disease, or they still may develop cirrhosis.

Liver cirrhosis is a major cause of death in the United States. In 2000, it was the 12th leading cause of death. Cirrhosis mortality rates vary substantially among age groups: They are very low among young people but increase considerably in middle age. In fact, cirrhosis is the fourth leading cause of death in people ages 45-54.

Other factors besides alcohol also may influence ALD development, including demographic and biological factors such as ethnic and racial background, gender, age, education, income, employment, and a family history of drinking problems.

Women are at higher risk than men for developing cirrhosis. This higher risk may be the result of differences in the way alcohol is absorbed and broken down. When a woman drinks, the alcohol in her bloodstream reaches a higher level than a man's even if both are drinking the same amount. The chemicals involved in breaking down alcohol also differ between men and women. For example, women's stomachs may contain less of a key enzyme (alcohol dehydrogenase) needed for the initial breakdown of alcohol. This means that a woman breaks down alcohol at a slower rate, exposing her liver to higher blood alcohol concentrations for longer periods of time - a situation that is potentially toxic to the liver. Differences in how a woman's body breaks down and removes alcohol also may be linked to how much and how often she drinks, the fact that estrogen is present in her body, and even her liver size.



Diagnosing ALD is a challenge. A history of heavy alcohol use along with certain physical signs and positive laboratory tests for liver disease are the best indicators of disease. Alcohol dependence is not necessarily a prerequisite for ALD, and ALD can be difficult to diagnose because patients often minimize or deny their alcohol abuse. Even more confounding is the fact that physical exams and lab findings may not specifically point to ALD.


Treatment strategies for ALD include lifestyle changes to reduce alcohol consumption, cigarette smoking, and obesity; nutritional therapy; pharmacological therapy; and possibly liver transplantation (in case of cirrhosis).

Lifestyle Changes

Abstinence from alcohol is vital to prevent further liver injury, scarring, and possibly liver cancer; it appears to benefit patients at each stage of the disease. Although only a few studies have looked specifically at the effects of abstinence on the progression of ALD, virtually every one has shown that abstaining from alcohol is beneficial.

Many people who drink alcohol also smoke cigarettes, and European studies have found scarring of the liver occurs more rapidly in ALD patients who smoked. Obesity is another factor associated with liver disease-specifically, the development of fatty liver and nonalcoholic steatohepatitis, a disorder similar to alcoholic hepatitis. Thus, stopping smoking and maintaining a healthy weight are two more measures patients can take to reduce or prevent further liver injury.


Although alcoholic beverages contain calories, research suggests that under certain conditions these calories do not have as much value for the body as those derived from other nutrients. In addition, many alcoholics suffer from malnutrition, which can lead to liver damage and impaired liver function. Many drinkers take in less than the recommended daily amount of carbohydrates, proteins, fats, vitamins (A, C, and B, especially thiamine, and minerals (such as calcium and iron).

To prevent these deficiencies, clinicians should provide alcoholics with a balanced diet. Dietary supplements may prevent or relieve some of alcohol's harmful effects.

For example, brain damage resulting from a lack of vitamin B1, which can lead to conditions such as Wernicke-Korsakoff syndrome, can be reversed to some extent. Because vitamin B1 generally can be administered safely, clinicians often recommend that all alcoholics undergoing treatment receive 50 milligrams of thiamine per day (either by injection if the patients are hospitalized or by mouth).

Alcoholics also should receive supplements of vitamins B2 (riboflavin) and B6 (pyridoxine) in dosages found in standard multivitamins.

Vitamin A, however, can be toxic when combined with alcohol and should be given only to those alcoholics who have a well-documented deficiency and who can stop or significantly reduce their drinking.

In addition to dietary supplements, alcoholics with moderate malnutrition might benefit from treatment with anabolic steroids. These compounds, which are derived from the male hormone testosterone, can be used in the short term to promote overall body "buildup" and, therefore, may help the alcoholic better recover from malnutrition.

Emerging Therapies

Studies using animals are helping researchers find other dietary supplements that may help in the treatment of liver disease.

Oxidative stress plays a major role in the development of alcoholic liver disease. Oxidative stress occurs when harmful oxygen molecules, or free radicals, form in the body. These molecules are highly charged and very unstable. They cause cellular changes in their effort to pair with the nearest available molecule, injuring cells and modifying their function. Antioxidants can help prevent this free radical damage.

Pharmacological Therapy

No FDA-approved therapy exists for either alcoholic cirrhosis or alcoholic hepatitis. However, several drugs have been used "off label," was shown to be effective in patients with severe alcoholic hepatitis.


Liver transplantation currently is the only definitive treatment for severe (end stage) liver failure. A total of 41,734 liver transplants using organs from cadavers were performed in the United States between 1992 and 2001. Of these, 12.5 percent were performed in patients with ALD, and 5.8 percent were performed in patients with ALD and a concurrent infection with the hepatitis C virus (HCV), making ALD the second most frequent reason (after HCV infection alone) for transplantation.

ALD patients must undergo a thorough evaluation to determine whether they are suitable candidates for transplant. This screening addresses any coexisting medical problems, such as heart damage, cancer, pancreatitis, and osteoporosis, which might influence the outcome of the transplant. It includes a psychological evaluation to identify those patients who are most likely to remain abstinent and comply with the strict medical regimen that follows the procedure.

For transplantation to be successful in alcoholic patients it is essential that they remain abstinent after the surgery and comply with a demanding medical regimen (e.g., consistently take the necessary antirejection medications). Routinely conducting psychiatric evaluations before patients are included on the list of candidates for transplantation helps to identify those who may not be able to meet these criteria.

Because of the shortage of donated organs, transplantation to patients with alcoholic liver disease remains controversial, mainly out of concern that the transplanted liver could be "wasted" if a patient relapses to drinking and damages the new liver as well. Yet the relapse rates in patients following transplant are lower than in patients undergoing alcoholism treatment, and serious relapses that adversely affect the transplanted liver or the patient are uncommon. In contrast, patients who receive a transplant because of an infection with hepatitis B or C viruses typically experience disease recurrence and are more likely to lose the transplanted liver because of recurrence of these infections.

Another concern is that patients with ALD will not be able to comply with the antirejection medication regimen, but this has not been supported by research. Liver rejection rates are similar for patients transplanted for ALD and those transplanted for other types of liver disease, indicating comparable rates of compliance with the antirejection medications. Finally, it was believed that ALD patients would use more resources, thereby incurring higher costs than non-ALD patients, but again this assumption has not been corroborated by research evidence.

In contrast to these negative assumptions on the use of liver transplants in ALD patients, many clinicians contend that ALD is, in fact, an excellent reason for liver transplantation. The overall improvement in patients with ALD after transplant, including higher productivity and better quality of life, supports considering these patients for liver transplants. Moreover, the long-term costs of transplantation and subsequent management of the alcoholic patient may well be lower than the costs of managing alcoholism and ALD without transplantation.


Hepatitis C is a liver disease caused by the hepatitis C virus (HCV). People usually become infected after coming in contact with blood from an infected person. Sharing needles or other equipment for injecting drugs is the most common way of spreading HCV. The disease also can be spread by sexual contact. About 4 million people in the United States have HCV, and between 10,000 and 12,000 die each year. HCV infection is particularly common in alcoholics with liver disease.

Blood tests can diagnose HCV infection, either by detecting antibodies to the virus or by detecting the presence and quantity of the virus's genetic material itself (7). There currently is no vaccine for hepatitis C. The standard treatment includes the use of antiviral treatment (interferon-alfa with ribavirin).

Strict abstinence from alcohol is important during treatment, as heavy drinking during treatment has been shown to hinder patients' responses to therapy. In addition, depression, irritability, and anxiety-side effects that occur in 20 to 30 percent of patients who receive interferon treatment - may be especially difficult to manage in patients with a history of alcoholism, perhaps putting them at greater risk for relapsing to drinking. Thus, for treatment to be most successful, clinicians recommend that alcoholic patients abstain from drinking alcohol at least 6 months prior to beginning interferon therapy.


The liver is one of the largest organs in the body. It performs many of the vital functions necessary for maintaining good health. The liver is remarkably resilient in responding to disease and infection and, in fact, under certain circumstances, can even generate whole new sections of itself to replace those that are diseased.

Alcohol is a toxin that is especially harmful to the liver, and alcoholic liver disease - particularly cirrhosis - is one of the leading causes of alcohol-related death. Not everyone who drinks heavily will develop ALD. Other factors besides alcohol also influence development of the disease, including demographic, biological, and environmental factors. Nevertheless, stopping drinking can help to alleviate or even reverse ALD, especially in the early stages of disease.

Treatment for ALD includes making lifestyle changes, such as stopping or decreasing alcohol use, stopping smoking, and maintaining a healthy weight. Health care providers may prescribe medications. And patients may want to seek nutritional supplements or complementary and alternative medicine for cirrhosis. Severe ALD is best treated with transplantation in selected abstinent patients.


Source material for this article originally appeared in the journal Alcohol Research & Health, "Alcoholic Liver Disease: Part I, An Overview" and "Alcoholic Liver Disease: Part II, Mechanisms of Injury" (Vol. 27, Nos. 3 and 4, 2003). Alcohol Research & Health is the quarterly, peer-reviewed journal published by the National Institute on Alcohol Abuse and Alcoholism.

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