C-Tanna 12

Carbetapentane is a medicine that helps stop coughing.

Chlorpheniramine is an antihistamine that lowers the effects of histamine, a natural chemical in the body. Histamine can cause sneezing, itching, watery eyes, and a runny nose.

C-Tanna 12 is a combination medicine used to relieve cough, sneezing, runny nose, and watery eyes caused by allergies or the common cold.

This medication will not treat a cough caused by smoking, asthma, or emphysema.

C-Tanna 12 may also be used for other reasons that are not mentioned in this medication guide.

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Cough or cold medicine is usually taken only for a short time until your symptoms clear up.

Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Shake the oral suspension (liquid) well just before you measure a dose. Measure the liquid with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

This medication can affect the results of allergy skin tests. Tell any doctor who treats you that you are taking an antihistamine.

Call your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.

Store at room temperature away from moisture and heat.

Do not use this medicine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur.

MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Do not use C-Tanna 12 if you have taken an MAO inhibitor in the past 14 days. This could lead to a dangerous drug interaction. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

You should not use this medication if you are allergic to carbetapentane or chlorpheniramine.

To ensure C-Tanna 12 is safe for you, inform your doctor if you have:

• blockage in your digestive tract (stomach or intestines);
• bladder obstruction or other urination problems;
• glaucoma;
• liver or kidney disease;
• thyroid disorder;
• heart disease, high or low blood pressure;
• asthma or other breathing disorder; or
• if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

FDA pregnancy category C. It is not known whether C-Tanna 12 will harm an unborn baby. Inform your doctor if you are pregnant or plan to become pregnant while using this medication.

Carbetapentane and chlorpheniramine can pass into breast milk and may harm a nursing baby. Inform your doctor if you are breast-feeding a baby.

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

C-Tanna 12 may cause serious side effects. Stop using C-Tanna 12 and call your doctor right away if you have:

• fast, pounding, or uneven heartbeat;
• severe headache, hallucinations, seizure (convulsions);
• severe dizziness or drowsiness;
• vision problems;
• little or no urinating;
• tremors, severe restlessness; or
• seizures (convulsions).

Common side effects of C-Tanna 12 may include:

• constipation, diarrhea;
• nausea, vomiting, upset stomach, loss of appetite;
• weakness, mild dizziness or drowsiness;
• anxiety, feeling nervous or excited; 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.

Since C-Tanna 12 is taken as needed, you might not follow a specific dosing schedule. If you are on a schedule, take the missed dose as soon as you remember. If it is almost time for your next scheduled dose, skip the missed dose. Do not use extra medicine to compensate for the missed dose.

Seek emergency medical help or call the Poison Help line at 1-800-222-1222.

This medication can cause blurred vision and may affect your thinking or reactions. Be cautious if you drive or do anything that needs you to be alert and see clearly.

Drinking alcohol can raise some side effects of carbetapentane and chlorpheniramine.

Ask a doctor or pharmacist before using any other cold, cough, allergy, or sleep medicine. Antihistamines and cough suppressants are in many combination medicines. Taking certain products together can lead to getting too much of a specific drug. Check the label to see if a medicine has an antihistamine or cough suppressant.

Taking C-Tanna 12 with other medications that cause sleepiness or slow your breathing can make these effects worse. Ask your doctor before using C-Tanna 12 along with a sleeping pill, narcotic pain medicine, muscle relaxer, or medication for anxiety, depression, or seizures.

Other medications may interact with carbetapentane and chlorpheniramine, including prescription and over-the-counter medicines, vitamins, and herbal products. Inform each of your healthcare providers about all the medications you are currently using and any medications you begin or stop using.