- Before taking any medication, you should carefully read and follow directions on the product label. In the case of Tylenol Cold & Flu, adults and children over age 12 should not take more than 12 gelcaps in a 24 hour period---the maximum daily amount allowed.
- Tylenol contains acetaminophen, a medication that helps to reduce pain from a sinus headache or other symptoms. It is possible to take too much acetaminophen, which can cause initial symptoms, such as diarrhea, increased sweating, stomach cramping or appetite loss.
- A long-term side effect of taking too much acetaminophen can cause possible damage to the liver. For this reason, it is important not to drink more than three alcoholic beverages a day or take other medications containing acetaminophen while taking Tylenol. If you experience symptoms such as swelling or tenderness in the upper abdomen or experience yellowing of the skin, you should call the National Capital Poison Center at (800) 222-1222 or seek emergency medical attention.
- The following symptoms indicate more serious complications after taking Tylenol Cold & Flu gel caps, which should require medical attention: sore throat, fever, unusual tiredness, weakness and yellowing of the skin or eyes.
- While the following side effects should cease on their own, they are generally associated with taking Tylenol Cold & Sinus: constipation, difficulty urinating, stomach pain, difficulty sleeping, irritability, nervousness or unusual weakness.
Dosage Recommendations
Acetaminophen
Long-Term Use
Symptoms Requiring Immediate Care
Less-Serious Side Effects
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