The severity of these complications correlates with the dosage, duration of use, and the potency of the steroid prescribed. While the incidence of steroid-induced myopathy does not appear to be directly related to the dosage of steroid prescribed nor the duration of use, it appears to be more prevalent with the use of steroids containing a 9-alpha fluorine configuration, such as triamcinolone (Aristocort®). The relationship between hypertensive side effects and the duration of therapy is also not very clear; steroids should be prescribed with greater caution in the elderly, in those individuals with known hypertension, and when compounds with greater mineralocorticoid properties are prescribed. As hyperglycemia is a well-known complication of corticosteroid use, oral steroids should be prescribed with caution in the diabetic population.
The most commonly used AAS in medicine are testosterone and its various esters (but most commonly testosterone undecanoate , testosterone enanthate , testosterone cypionate , and testosterone propionate ),  nandrolone esters (most commonly nandrolone decanoate and nandrolone phenylpropionate ), stanozolol , and metandienone (methandrostenolone).  Others also available and used commonly but to a lesser extent include methyltestosterone , oxandrolone , mesterolone , and oxymetholone , as well as drostanolone propionate , metenolone (methylandrostenolone), and fluoxymesterone .  Dihydrotestosterone (DHT; androstanolone, stanolone) and its esters are also notable, although they are not widely used in medicine.  Boldenone undecylenate and trenbolone acetate are used in veterinary medicine .