I my friend has recently started drinking alchol...

How to withdraw from alcoholism?
Consult a psychologist or psychiatrist to learn new skills and strategies to overcome the drinking problem and use it in daily life such as:
Change the behaviors that make you want to drink and deal with stress and other triggers that motivate you to drink and build a strong support system from family and friends. In some cases, others may wish to treat addiction through drugs that the psychiatrist can prescribe for you to get rid of the drinking problem such as Disulfiram, a substance It makes you feel sick if you drink and thus your desire to drink decreases as well. Acamprosate can help to relieve cravings for alcohol and ultimately Naltrexone reduces the happiness that you get from drinking.
What are the results of alcoholism?
Decreased participation in social activities
Loss of interest in work or school.
Depression
Lack of attention to family or friends.
Preoccupation with drinking.
Insomnia.
Inability to control the motives for drinking.
Strange behavior
Violent behavior.
Liver problems may extend up to fibrosis
High blood sugar
Poor focus
Hallucinations
cramps
Tremor and numbness in the extremities
What is the advice in your case?
I recommend visiting a psychiatrist to perform the necessary checks, evaluate your condition and start the withdrawal schedule