Q: Recently i start using Propecia meds to cure hair loss. And i'm intereted is it true that this drug may cause weight gain becuse of the things like testosterone and DHT promotes fat loss in the body.
A: Symptoms you've mentioned are not known side effects of
Propecia according to the U.S. National Library of Medicine.
Of course you need to consult your doctor.
All medications can have side effects. Have you ever taken Tylenol or Advil? Do a search for the side effects of those medications and you will likely lose more hair over it (pun intended). Of course Propecia als have some side effects which are listed here.
Weight gain could be related to hormonal problems. Maybe you suffer of allergies. Try to change your diet. Don’t look to blame the drug finasteride for it.