Theraflu (pseudoephedrine) Daytime Severe Cold

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.

In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.

Stop using this medicine and call your doctor at once if you have:

• chest pain, rapid pulse, fast or uneven heart rate;

• severe dizziness, feeling like you might pass out;

• mood changes, confusion, hallucinations;

• tremor, seizure (convulsions);

• fever;

• little or no urinating;

• nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes; or

• dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, chest pain, uneven heartbeats, seizure).

Common side effects may include:

• dizziness, weakness;

• mild headache;

• mild nausea, diarrhea, upset stomach;

• dry mouth, nose, or throat;

• feeling nervous, restless, irritable, or anxious; or

• sleep problems (insomnia).

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.