Phena-S

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

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

• confusion, hallucinations;

• feeling nervous or irritable;

• trouble sleeping;

• little or no urination;

• a seizure (convulsions);

• numbness or tingly feeling;

• a light-headed feeling, like you might pass out;

• pounding heartbeats or fluttering in your chest; or

• increased blood pressure--severe headache, blurred vision, pounding in your neck or ears, anxiety, nosebleed.

Side effects may be more likely in older adults.

Common side effects may include:

• nausea, constipation, loss of appetite;

• rash or itching;

• increased sweating;

• dry mouth, nose, or throat;

• blurred vision;

• headache, dizziness; or

• feeling restless or excited (especially in children).

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.