Can I Drink Caffeine With A Concussion - Of caffeine a day is considered safe for most healthy adults. In the first two days after a concussion, follow these steps to ensure you have a safe recovery: Web days 1 and 2. Web according to the mayo clinic, up to 400 mg.
In the first two days after a concussion, follow these steps to ensure you have a safe recovery: Web days 1 and 2. Of caffeine a day is considered safe for most healthy adults. Web according to the mayo clinic, up to 400 mg.