Generic name: Chlorpheniramine, phenylephrine, and pyrilamine
Pregnancy & Lactation: Risk data not available
What is Nalex A 12?
Chlorpheniramine and pyrilamine are antihistamines that reduce the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
Chlorpheniramine, phenylephrine, and pyrilamine is a combination medicine used to treat runny or stuffy nose, sneezing, itching, watery eyes, and sinus congestion caused by allergies, the common cold, or the flu.
Chlorpheniramine, phenylephrine, and pyrilamine may also be used for purposes not listed in this medication guide.
Warnings
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.
Ask a doctor or pharmacist if it is safe for you to take this medicine if you have:
You should not use this medicine if you are allergic to chlorpheniramine, phenylephrine, pyrilamine, or to other decongestants, or if you have:
It is not known whether chlorpheniramine, phenylephrine, and pyrilamine will harm an unborn baby. Ask a doctor before using this medicine if you are pregnant.
Chlorpheniramine, phenylephrine, and pyrilamine can pass into breast milk and may cause side effects in the nursing baby. Antihistamines can also slow breast milk production. You should not breast-feed while using this medicine.
- severe coronary artery disease;
- diabetes;
- overactive thyroid; or
- asthma, pneumonia, or other breathing problems.
- heart disease or high blood pressure;
- blood circulation problems;
- glaucoma;
- an ulcer or obstruction in the stomach;
- enlarged prostate;
- bladder obstruction or other urination problems; or
- a history of seizures.
How should I use Nalex A 12
Use Nalex A 12 (Oral) 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.
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.
Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Do not give this medication to a child younger than 6 years old. Death can occur from the misuse of cough and cold medicines in very young children. Always ask a doctor before giving a cough or cold medicine to a child.
You should not use antihistamine medication to make a child sleepy.
Do not crush, chew, or break an extended-release tablet. Swallow it whole.
Shake the (liquid) well just before you measure a dose. oral suspension
Store at room temperature away from moisture, heat, and light. Do not allow liquid medicine to freeze.
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.
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. take extra medicine to make up the missed dose. Do not
Nalex A 12 side effects
Get emergency medical help if you have hives; difficult breathing; swelling of your face, lips, tongue, or throat. signs of an allergic reaction:
Stop using this medicine and call your doctor at once if you have:
Side effects may be more likely in older adults.
- 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.
- 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).
Common side effects may include:
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.
What other drugs will affect Nalex A 12?
This medicine may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly.
Drinking alcohol with this medicine can cause side effects.
Avoid exposure to sunlight or tanning beds. This medicine can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Ask a doctor or pharmacist before using any other cold, cough, allergy, or pain medicine. Many combination medicines contain antihistamines and decongestants. Taking certain products together can cause you to get too much of these medicines.