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Ed A-Hist

Generic name: Chlorpheniramine and phenylephrine [KLOR-fen-IR-a-meen-and-FEN-il-EFF-rin]

Brand names: Actifed Cold and Allergy, Allerest PE, ChlorTan D, Cold and Allergy Relief, Ed A-Hist,… show all 27 brands
Classification of drugs: Upper respiratory combinations

What is Ed A-Hist?

Chlorpheniramine is an antihistamine that reduces the effects of the natural chemical histamine within the body. Histamine may cause symptoms such as nasal congestion, itching, watery eyes, and a runny nose.Phenylephrine Phenylephrine is an anti-congestant that reduces the size of blood vessels that line the nasal passages. The blood vessels that are dilated can cause the nasal passages to become congested (stuffy nostrils).Ed-A-Hist is a combination medicine to treat the symptoms of commonly occurring colds or seasonal allergies such as sneezing, runny or stuffy noses, and itchy and watery eyes.Ed-A-Hist can also be used to treat conditions not covered in this medication guide.

Side effects of Ed A-Hist

Contact a medical professional immediately. If you are experiencing symptoms or warning signs of an allergic reaction, such as asthma, hives, or swelling of your lips, face, and tongue,

Ed A-Hist can cause severe adverse consequences. Stop using the product and consult your doctor immediately in case you experience:

  • Chest pain, rapid pulse, or irregular heart rate;
  • Hallucinations, confusion, and extreme anxiety;
  • Tremor, seizure (convulsions);
  • Minimal or no urination;
  • Bleeding or bruising that is an easy or unusual weakness
  • Extremely hypertension (severe headache and ear buzzing, anxiety, breathlessness).

Common adverse side effects of the Ed-A-Hist can include:

  • Dizziness, drowsiness, blurred vision;
  • Dry mouth, nose, or lips;
  • Nausea, stomach pain, constipation, and loss of appetite;
  • Difficulties with memory or concentration problems with concentration or memory
  • Being anxious or restless (especially when it comes to children).

This isn't a complete list of possible side effects, and other side effects could occur. Consult your physician to seek medical advice on the effects. You can report any side effects to the FDA by calling 1-800-FDA-1088.

Similar/related drugs

prednisone, fluticasone nasal, cetirizine, loratadine, benadryl, diphenhydramine, and promethazine


Don't take this medication in the event that you've used an MAO inhibitor within the last 14 days, for example, linezolid, isocarboxazid, or Methylene Blue injections, phenelzine rasagiline, selegiline, or tranylcypromine.It is not recommended to use antihistamine medication to make your child tired.

Prior to use this drug

Do not take Ed-A-Hist in case you are sensitive to chlorpheniramine or phenylephrine.Do not take this medicine. If you've previously taken an MAO inhibitor within the last 14 days, A potentially dangerous interaction between drugs can happen. MAO inhibitors are isocarboxazid linezolid, Methylene blue injection rasagiline, phenelzine, and tranylcypromine, among others.Speak with a pharmacist or doctor to determine if it's safe to take this medication in the event that you suffer from:

  • Asthma or COPD coughing with mucus, or a cough that is caused by smoking, emphysema, or chronic bronchitis
  • A blockage in the stomach or intestines of your body;
  • Renal or liver illness;
  • Excessive blood pressure, cardiovascular condition, coronary artery disease, or a recently experienced coronary artery disease;
  • An overly large prostate or urinary tract problem;
  • Glaucoma;
  • Diabetes;
    epilepsy or any other seizures;
  • Pheochromocytoma (the adrenal gland's tumor);
  • Excessively active thyroid or
  • If you take potassium (Cytra, Epiklor, K-Lyte, K-Phos Kaon, Klor-Con, Polycitra, and Urocit-K),

It isn't known if Ed A-Hist could harm a baby who is not yet born. Do not take this medication without your physician's guidance if you're expecting.It is unclear if chlorpheniramine or phenylephrine are absorbed by breast milk or if they can harm nursing babies. Antihistamines or decongestants could also affect the production of breast milk. Do not take this medication without your doctor's approval if you're nursing babies.Adults who are older may be more likely to experience negative side effects from this drug.Artificially-sweetened liquid chilled medicine could contain phenylalanine. If you suffer from phenylketonuria (PKU), be sure to check the label of your medication to see whether it contains the chemical phenylalanine.

How to take Ed A-Hist?

Take exactly as indicated on the label or as directed by your physician. Avoid using in larger quantities, in smaller quantities, or for a longer time than suggested. The typical cold medicine is taken only for a short period of time until the symptoms subside.Don't give this medication to children who are less than four years old. Always consult a physician prior to giving anti-cold or cough medicine to children. Death can occur due to the improper use of cold and cough medicines by very young children.Antihistamines should not be used as medications to make children tired.Don't crush, chew, break, open, crush, or open an extended-release capsule or tablet. Inhale it completely. The pill can be broken or opened. can cause too much of the drug to be released in a single dose.The tablet chewable should be chewed before taking it in.Measure the liquid medicine using a spoon that is specifically designed for measuring doses or a medicine cup, not the standard tablespoon. If you don't own a device for measuring doses, inquire with your pharmacist to get one.Consult your doctor if symptoms don't improve after seven weeks of therapy, if you suffer from a fever, headache, or cough, or if you have the appearance of skin.This medication may cause unexpected results in allergic testing on your skin. Be sure to inform any doctor treating patients with antihistamines.If you are in need of surgery, inform the doctor ahead of time in the event that you've taken a cold medicine in the past few days.Keep it at room temperature, free of heat and moisture.

What happens if I miss the dose?

Because cold medicine is administered in a prescribed manner, you might not be following a dose schedule. If you take the medication on a regular basis, you should take the missed dose whenever you remember. Don't miss your missed dosage if it's close to the time of the next dose. Do not take any additional medicine to make up for the missed dose.

What happens if I overdose?

For medical emergencies, seek emergency medical attention or contact for help at the Poison Helpline at 1-800-222-1222.

Aviod this

The medication could affect your ability to think or react. Be aware if you are driving or engaging in activities that require that you be aware.Alcohol consumption can cause an increase in the effects of chlorpheniramine and phenylephrine.Consult a physician or pharmacist prior to using any other allergy, cold, or sleep medication. Ed-A-Hist can be found in a number of combination medicines. When you combine certain medications, it could result in you taking excessive amounts of a particular medicine. Look at the label to determine whether a medication contains an antihistamine or a decongestant.

Interaction with other drugs

Consult a physician or pharmacist prior to using Ed-A-Hist if taking any other medications, such as prescription and over-the-counter medications, vitamins, and herbal products. Certain medications can trigger unwanted or even dangerous reactions when taken together. Not all interactions are included in this guideline for medications.If you take this medication together with other medications that make you sleepy or cause breathing problems, it can increase the severity of these effects. Consult your physician before using Ed-A-Hist in conjunction with sleeping pills, painkillers, narcotic medication, muscle relaxers, or medicines to treat anxiety, depression, or seizures.




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