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Generic name: Chlorpheniramine, phenylephrine, and pyrilamine (KLOR-fe’-NEER-a’-meen, pir). –

Brand names: Chlorex A 12. Conal, Nalex A 12, MyHist-PD, Phena Plus,.
Classification of drugs: upper respiratory combinations

The brand name Phena-S has been taken off the market in the U.S. If the generic versions of this product are approved by the FDA, it is possible that there are alternatives that are generic.

What is Phena-S?

Chlorpheniramine as well as pyrilamine can be used as antihistamines that can reduce the effects of the natural chemical histamine that is present in our body. Histamine may cause symptoms such as nose sneezing, itching, watery eyes, and a runny nose.  Phenylephrine can be described as an anti-congestant that reduces the size of blood vessels in nasal passages. Blood vessels that are dilapidated can lead to nose congestion (stuffy nasal congestion).

Phena S is a combination medication that is used to treat a congestion or runny nose as well as itching, sneezing, and eyes that are watery, as well as sinus congestion that is caused by allergies, the commonly-spread cold, and influenza. Phena-S can also be employed for other purposes that are not covered in this medication guide.

Phena-S side effects

See a doctor immediately. If you are experiencing warning signs of an allergic response, such as symptoms of hives, difficulty breathing, and swelling of your lips, face, and tongue,

Phena-S may cause serious side effects. Stop using Phena S and call your physician immediately in the event that you experience:

  • Confusion, hallucinations;
  • Being anxious or nervous;
  • Trouble sleep
  • Very little or no urine;
  • A seizure (convulsions);
  • Tingling sensations or numbness
  • An euphoric feeling, similar to when you're about to pass out.
  • Heartbeats that pound or flutter in your chest
  • Elevated blood pressure; severe headache; blurred vision; pounding sensation in your neck or ear; anxiety; nosebleed

The risk of side effects is more common in older people.

Common side effects of Phenas-S include:

  • The feeling of nausea, constipation, and loss of appetite.
  • itching or itching
  • An increase in transpiration;
  • dry mouth the nose, dry mouth, or throat;
  • Blurred vision
  • Headache, dizziness, or
  • Being anxious or restless (especially when it comes to children).

This is not a comprehensive list of possible side effects, and other side effects could occur. Contact your physician to seek medical advice on the effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


This medicine is recommended if you have coronary artery diseases, diabetes, an overactive thyroid, asthma, pneumonia, or other breathing problems.

Don't take this medicine when you've taken an MAO inhibitor within the last 14 days, for example, linezolid and isocarboxazid, methylene blue injection, or phenelzine rasagiline and selegiline. tranylcypromine.

Avoid giving this medicine to children less than six years old. There is a risk of death due to the intoxication of cough and cold medications in children who are very young.

Antihistamines should not be used as medications to make children restless.

Prior to use this drug

Avoid using Phenas-S in the event that you've taken an MAO inhibitor within the last 14 days. A risky drug interaction may occur. MAO inhibitors are isocarboxazid linezolid, methylene blue injection rasagiline, and phenelzine, as well as tranylcypromine.

This medicine is for you if you're allergic to phenylephrine, chlorpheniramine, pyrilamine, or any other decongestants or are:

  • Serious coronary artery diseases
  • Diabetes;
  • Excessively active thyroid or
  • Asthma, pneumonia, asthma, or other breathing issues.

Speak with a pharmacist or doctor to determine if it's safe to take this medication when you are suffering from:

  • The heart condition (also known as hypertension);
  • Blood circulation issues;
  • glaucoma;
  • An obstruction or ulcer in the stomach.
  • prostate enlargement;
  • Bladder obstruction or other problems;
  • A background of seizures

It is unclear if Phenas-S could harm a premature baby. Consult a physician before taking this medication if you are pregnant.

Chlorpheniramine, phenylephrine, and pyilamine are all substances that can be absorbed into the breast milk and cause adverse reactions in the nursing infant. Antihistamines can also slow the production of breast milk. Do not breastfeed when taking this medication.

How to take Phenas-S?

Take exactly as indicated on the label or as recommended by your physician. Avoid using in greater quantities, in smaller amounts, or for longer periods than recommended. Cold or cough medicine is typically taken for a brief period of time until symptoms improve.

Do not give this medicine to children who are less than six years old. Always consult with a doctor prior to giving a cold or cough medicine to children. Death can occur due to the improper use of cold or cough medicine by children who are very young. Antihistamines should not be used as medications to make children restless. Don't crush, chew, or break an extended-release tablet. Take it in whole. Take measurements of liquid medicines using the dosing needle provided or using a specially designed measuring spoon or cup for measuring doses. If you don't have a device for measuring doses, you can ask your pharmacist for one. Then shake the oral suspension (liquid) thoroughly just before you take a measurement.

Keep at room temperature, far from heat, moisture, and light. Don't allow the liquid medicine to cool down. Consult your physician if symptoms don't improve after seven weeks of therapy or if you are suffering from a fever that causes headaches or coughs or even the appearance of a skin rash.

What happens if I miss the dose?

Do the dose you missed as quickly as you can remember. Avoid any missed doses if you are close to the time of the next dose. Do not take additional medicine to make up for the missed dose.

What happens if I overdose?

For medical emergencies, seek emergency medical attention or contact the Poison Help Line toll-free at 1-800-222-1222.

The symptoms of an overdose can consist of dry mouth, severe sleepiness, confusion, ringing in your ears, shaking, seizures, dilate pupils, vomiting, and loss of consciousness.

What should be avoided?

Phena-S can cause blurred vision and can affect your reaction or thinking. Be cautious when driving or engaging in any activity in which you need to stay aware and capable of seeing clearly.

Alcohol consumption with this medicine could cause adverse effects.

Talk to your doctor or pharmacist prior to taking any other cough, cold, allergy, or pain medication. A lot of combination medications include decongestants and antihistamines. The combination of certain medications could result in you taking excessive amounts of these medications.

Avoid exposure to the sun and tanning beds. The medicine may cause a burn more quickly. Be sure to wear protective attire and sunblock (SPF 30 or more) whenever you're outside.

Interaction with other drugs

Consult a physician or pharmacist prior to taking this medication if you're using other medicines that include prescription or over-the-counter medications, vitamins, and herbal products. Certain medications can trigger unwanted or even dangerous reactions when combined. There are not all the interactions mentioned in this medication guide.

If you take this medicine in conjunction with other medications that make you sleepy or cause breathing problems, these effects can get worse. Consult your physician before using Phena-S in conjunction with a sleep drug, a narcotic pain medication, or a muscle relaxer medication to treat anxiety, depression, or seizures.