Which are the best drugs to avoid getting deep vein thrombosis?

Avoid risk factors: Avoid sitting or not moving for long time, walking is good , take medicine like Heparin sq , Lovenox (enoxaparin) sq , Fragmin .. All these are effective .. Lovenox (enoxaparin) showed a little bit better protection especially in cancer patients.

Hormones: Generally, the drugs which are most likely to have deep vein thrombosis as a side effect would probably be the hormones that are found in birth control pills. This includes forms of estrogen and progesterone. The higher the amount of either one, the higher your risk of having a clot. If you are sedentary, over age 45, smoke, have certain chronic diseases, or are over weight. Your risk is higher.