How much NyQuil can you take in a day? A: If you are taking NyQuil SEVERECaplets, you can take two caplets with water each fourhours. If you are taking NyQuil SEVERE Liquid, youcan take 30 mL each 4 hours. Don’t take morethan 4 doses in 24 hours. . Hereof, how much NyQuil can I take …
