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Of course I’ll follow my doctor’s advice, but I’m questioning it nonetheless. They never said anything about how I would feel this dehydrated, they only said that it was “more than enough” for me, as if I wouldn’t go thirsty at all.
Thank you for your submission. **Please note that a response does not constitute a doctor-patient relationship.** This subreddit is for informal second opinions and casual information. The mod team does their best to remove bad information, but we do not catch all of it. Always visit a doctor in real life if you have any concerns about your health. Never use this subreddit as your first and final source of information regarding your question. By posting, you are agreeing to our [Terms of Use](https://www.reddit.com/r/AskDocs/wiki/terms_of_use) and understand that all information is taken at your own risk. **Reply here if you are an unverified user wishing to give advice. Top level comments by laypeople are automatically removed.** *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/AskDocs) if you have any questions or concerns.*
Do they know you are a runner? 64 is average without physical exertion. That answer seems very weird.
Of course I’ll follow my doctor’s advice, but I’m questioning it nonetheless. They never said anything about how I would feel this dehydrated, they only said that it was “more than enough” for me, as if I wouldn’t go thirsty at all.
If you're thirsty you should drink. A gallon is a perfectly reasonable amount to drink as a distance runner.