While it may sound overly simplistic, one of the best things you can do to combat Dianabol side-effects is to live a healthy lifestyle. This shouldn’t come as a surprise, after all, to maintain a proper blood pressure and healthy cholesterol levels you must live a healthy lifestyle. For this reason, you are encouraged to keep an eye on your diet; stay away from foods that are junky, and be sure to get in plenty of healthy fats, as such foods will greatly serve you in a tremendous fashion. Foods that contain omega-3 fatty acids will serve you well. Further, abstaining from alcohol is a great idea, as is any other activity that might bring about undue stress to the body. If you can do these things, keep your doses moderate and supplement for proper periods of time, almost all of you will be fine. We say almost all for one simple reason, we are all unique individuals, and there may be some who even when responsible have problems. Look at it this way, some of us can drink milk, while others can’t and such is the nature of life. Even so, through responsible use, Dianabol side-effects as you can see are very easy to control.
The common side effects of oxymetholone include depression , lethargy , headache , swelling , rapid weight gain , priapism , changes in skin color, urination problems, nausea , vomiting , stomach pain (if taken on an empty stomach), loss of appetite , jaundice , breast swelling in men, feeling restless or excited, insomnia , and diarrhea .  In women, side effects also include acne , changes in menstrual periods , voice deepening , hair growth on the chin or chest , pattern hair loss , enlarged clitoris , and changes in sex drive .   Because of its 17α-alkylated structure, oxymetholone is hepatotoxic .  Long term use of the drug can cause a variety of serious ailments, including hepatitis , liver cancer , and cirrhosis ; therefore periodic liver function tests are recommended for those taking oxymetholone. 
Metabolic/Endocrine: Decreased glucose tolerance (see PRECAUTIONS ), increased serum levels of low-density lipoproteins and decreased levels of high-density lipoproteins (see PRECAUTIONS , Laboratory Tests ), increased creatine and creatinine excretion, increased serum levels of creatinine phosphokinase (CPK). Reversible changes in liver function tests also occur, including increased Bromsulphalein (BSP) retention and increases in serum bilirubin , glutamic-oxaloacetic transaminase ( SGOT ), and alkaline phosphatase .