1️⃣Don't combine with finasteridehttps://www.giantrawsource.com/raw-steroid-powder/raws-powder-dutasteride.html
They do the same job (5-alpha reductase inhibition)
Combining doesn't improve hair results
Only increases side-effect risk
👉 Pick one, not both (dut usually replaces fin)
2️⃣ Be careful with strong CYP3A4 inhibitors
These can increase dutasteride levels in your body:
Examples:
Ketoconazole (oral, not shampoo)
Itraconazole
Clarithromycin
Ritonavir / some HIV meds
Occasional use usually isn't a disaster, but long-term combination should be discussed with a doctor.
3️⃣ Avoid blood donation
Dutasteride can cause birth defects in a male fetus
Blood banks require no donation for at least 6 months after stopping
(This rule is strict)
4️⃣ Avoid handling capsules if pregnant women are around
Dutasteride can be absorbed through the skin
Crushed or leaking capsules are a risk
Keep capsules intact and stored safely.
5️⃣ Don't expect quick results (and don't quit early)
Not a "drug interaction," but a big mistake:
Hair shedding in the first months = normal
Stopping early = lost progress
Needs 6–12 months to judge effectiveness
6️⃣ Be cautious if you already have:
Extra monitoring is smart if you have:
History of sexual side effects on finasteride
Severe depression or anxiety sensitivity
Prostate cancer screening (it lowers PSA by ~50%)
Always tell your doctor you're on dutasteride before PSA tests.
