1.0 link Rainbow Dash Network http://rainbowdash.net/ Pony (pony) http://rainbowdash.net/pony http://rainbowdash.net/notice/3317634 @<span class="vcard"><a href="http://rainbowdash.net/user/4526" class="url" title="Fancypants McSpaceship"><span class="fn nickname mention">mastertdi</span></a></span> You can read the bottles and see if they share any key ingredients to make sure you don't overdose, then you can take them separately. The combination effect is that you cough only when you need to, your coughing still helps clear your chest/throat, and you're not coughing yourself sore.