General MedicineOTC AvailablePregnancy Cat. Not classifiedFDA Yes
Ed A-Hist
CHLORPHENIRAMINE/PHENYLEPHRINE
Uses temporarily relieves runny nose and nasal congestion due to the common cold, hay fever or other upper respiratory allergies allergic rhinitis), relieves sneezing, itching of the nose or throat, itchy watery eyes, and reduces swelling of the nasal passages.
Medically reviewed by MedCentralHub Medical Review Board, Licensed Pharmacists & Physicians ·
Brand names:ED A-HIST
Quick Reference
Medicine ClassGeneral Medicine
FDA ApprovedYes
PregnancyCategory Not classified
Quick Facts
- Active ingredient
- CHLORPHENIRAMINE/PHENYLEPHRINE
- Medicine class
- General Medicine
- Brand names
- ED A-HIST
- Availability
- Over-the-counter (OTC)
- Pregnancy category
- Not classified
- FDA approved
- Yes
What Is Ed A-Hist?
Uses temporarily relieves runny nose and nasal congestion due to the common cold, hay fever or other upper respiratory allergies allergic rhinitis), relieves sneezing, itching of the nose or throat, itchy watery eyes, and reduces swelling of the nasal passages.
Ed A-Hist (CHLORPHENIRAMINE/PHENYLEPHRINE) belongs to the General Medicine class of medications. It was first approved by the FDA in Yes. This medication is available over-the-counter without a prescription.
Key Safety Information
- •Always follow the dose recommended by your healthcare professional. Taking more than prescribed increases the risk of side effects including serious complications.
- •Seek emergency care if you experience signs of an allergic reaction — hives, swelling, difficulty breathing, or rash. Stop the medication and call your doctor immediately.
- •Some medications can increase the risk of cardiovascular events. Tell your doctor if you have high blood pressure, a history of heart attack or stroke, or any pre-existing health condition.
- •Avoid or limit alcohol while taking Ed A-Hist. Do not drink alcohol without first discussing it with your healthcare provider as it may increase adverse effects.
- •Take Ed A-Hist with food or a full glass of water if stomach upset occurs. Stop use and talk to your doctor if you experience persistent stomach pain or GI symptoms.
- •Tell your doctor about all medications, supplements, and vitamins you take. Some combinations significantly increase the risk of harm.
This is a summary only. Always read the full prescribing information and consult your healthcare provider for personalized medical advice.
Uses & Indications
Ed A-Hist is prescribed for the following conditions. Some uses are FDA-approved indications; others may be evidence-based off-label uses. Consult your healthcare provider for personalized guidance.
Uses temporarily relieves runny nose and nasal congestion due to the common cold, hay fever or other upper respiratory allergies allergic rhinitis), relieves sneezing, itching of the nose or throat, itchy watery eyes, and reduces swelling of the nasal passages.
Dosage Guide
The following are general dosing guidelines only. Your actual dose should be determined by your healthcare provider based on your condition, renal/hepatic function, and other medications.
AD
Adult Dosage
Directions Do not exceed recommended dosage. Adults and children 12 years of age and over: 1 teaspoonful (5 mL) every 4 hours, not to exceed 6 teaspoonfuls in a 24 hour period Children 6 to under 12 years of age: 1/2 teaspoonful (5 mL) every 4 hours, not to exceed 6 teaspoonfuls in a 24 hour period Children under 6 years of age: Consult a Doctor A special measuring device should be used to give an accurate dose of this product to children under 12 years of age. Giving a higher dose than recommended by a doctor could result in serious side effects for your child.
Available Forms
Available Strengths
Side Effects
Common
Serious
- Warnings: Do not exceed recommended dosage.
- Do not use this product if you are now taking prescription monaimine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug.
- If you know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.
- Do not take this product, unless directed by a doctor before use if you have A breathing problem such as emphysema or chronic bronchitis Glaucoma, heart disease, diabetes, high blood pressure or thyroid disease Difficulty in urination due to enlargement of the prostate gland Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers.
- When using the product May cause drowsiness Avoid alcoholic beverages Alcohol, sedatives, and tranquilizers may increase drowsiness Be careful when driving a motor vehicle or operating machinery Excitability may occur, especially in children.
Rare
Medicine Interactions
Always inform your healthcare provider and pharmacist about ALL medications you take, including prescriptions, OTC medicines, vitamins, and supplements.
MajorModerateMinor
Warnings & Contraindications
Warnings: Do not exceed recommended dosage. Do not use this product if you are now taking prescription monaimine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Do not take
How Ed A-Hist Works
Pharmacokinetics
Pregnancy & Breastfeeding Safety
Not classified
Breastfeeding
Many medications pass into breast milk in varying amounts. Before using Ed A-Histwhile breastfeeding, discuss the benefits and risks with your healthcare provider or pharmacist — they can weigh your dose, your infant's age, and available lactation safety data to find the safest option for you and your baby.
Storage & Handling
Other information: Store at 59° - 86°F (15° - 30°C)
Frequently Asked Questions
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- Detail
Ed A-Hist dosage guide
Adult, pediatric, renal, and hepatic dosing for Ed A-Hist
- Detail
Ed A-Hist side effects
Complete adverse effect profile including common, serious, and rare reactions
Sources & References
- • FDA Prescribing Information — Official labeling and package insert for Ed A-Hist
- • U.S. National Library of Medicine — MedlinePlus drug information
- • American Hospital Formulary Service (AHFS) — Clinical pharmacology monograph
- • PubMed / MEDLINE — View clinical studies
Last reviewed by MedCentralHub Medical Review Board · MedCentralHub Editorial Policy
Medical Disclaimer
The information on this page is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult your doctor, pharmacist, or qualified healthcare provider before starting, stopping, or changing any medication.