image courtesy by flickr
- Cold and cough medicine can make you sleepy
The usual active constituent of a cold and cough medicine is Phenylpropanolamine which is indicated for cold; Guiafenesin or Dextromethorpan, intended for cough; and the antihistamines chlorpenamine or Brompheniramine.
The latter mentioned are anti allergies. These are the main culprit for making one drowsy or sleepy. A patient who doesn’t want to drowse off buy cold and cough formulation without the antihistamines.
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