Dolgic Plus - how long do the side effects take to react?

Dolgic Plus (acetaminophen, butalbital, and caffeine) side effects
You may have some of these side effects or none at all.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have any of these serious side effects:
*fast, pounding, or uneven heartbeat;
*feeling light-headed or short of breath;
*nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
*easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms.

Less serious side effects may include:
*drowsiness;
*dizziness, confusion or lightheadedness;
*dry mouth;
*nausea, vomiting, stomach pain, loss of appetite;
*feeling anxious or jittery;
*drunk feeling; or
*headache.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

for more information see http://www.drugs.com/mtm/dolgic-plus.html