There is no known antidote for fugu poison. The only real antidote to cynicism is activism. Ro arrives and quickly starts to make a rose tonic antidote for the poison. No specific antidote for overdose exists and treatment is purely supportive. There is no specific recommended antidote for finasteride overdose. Atropine is not an actual antidote for organophosphate poisoning. There is no specific antidote for overdose of spironolactone. There is no specific antidote for overdose of dutasteride. There is no specific antidote for overdose of tamoxifen. No specific antidote for barbiturate poisoning is available. There is no specific antidote for overdose of MGA. The latter one invented the Aurea Alexandrina which was a kind of opiate or antidote. There is no specific antidote for strychnine. These compounds may be resistant to harm reduction counter measures such as the antidote Naloxone. The specific antidote for carfentanil is naloxone.