Mt Whitney Zone Forums General Discussion AMS - would Sildenafil (Viagra) help?

Viagra and its class of drugs are USELESS for AMS.

It only has mild benefit in HAPE, a completely different high altitude illness.

maybe I should add a bit more:
Viagra can reduce pulmonary hypertension somewhat, and altitude/hypoxia-induced pulmonary hypertension, but, again, this effect is potentially helpful in HAPE, not in AMS.

Viagra also commonly causes headache, and can make AMS headache worse.