Clinicold

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Clinicold

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Clinicold

Quick Facts

Property Description
Active Ingredients Brompheniramine maleate, Phenylephrine hydrochloride
Form Oral liquid, tablet, extended-release capsule
Pharmacological Class Antihistamine and Decongestant Combination
General Purpose Symptomatic relief of upper respiratory discomfort
Origin Synthetic (Small-molecule compounds)

What is Clinicold? Identity and Classification

Clinicold is defined as a fixed-dose combination medicine, synthetically derived, belonging to the pharmacological class of an antihistamine and decongestant combination. This oral preparation integrates two distinct active pharmaceutical ingredients: the first-generation antihistamine Brompheniramine maleate and the alpha1-adrenergic agonist Phenylephrine hydrochloride. This combination is primarily used to relieve symptoms associated with the common cold, flu, and allergies. As an established over-the-counter (OTC) preparation, its structure ensures that both nasal congestion and allergic responses are addressed simultaneously, distinguishing it from single-ingredient treatments.


The Dual Action Components and Form

The two components, Brompheniramine and Phenylephrine, deliver separate but complementary therapeutic actions. Brompheniramine works to manage symptoms associated with histamine release, such as sneezing and watery eyes, while Phenylephrine provides relief by reducing swelling in the nasal passages. Oral decongestants like Phenylephrine are used for reducing nasal obstruction in acute rhinitis. The decongestant component is a recognized approach for clearing blocked airways. Clinicold is intended for oral administration and is available in various oral dosage forms, including liquid solutions, standard tablets, and extended-release formats, providing systemic relief throughout the upper respiratory system.

Regulatory References

  1. DailyMed: Brompheniramine/Phenylephrine Liquid

What side effects are possible with Clinicold?

Possible Side Effects and Safety Information

Clinicold is a combination medication containing an analgesic/antipyretic (acetaminophen), an antihistamine (chlorpheniramine maleate), and a nasal decongestant (phenylephrine hydrochloride). As with all medications, use may result in side effects, though not everyone experiences them.

Common Side Effects

The most commonly reported side effects are generally mild and temporary, and are primarily due to the antihistamine component. These may include:

  • Drowsiness or dizziness
  • Dry mouth, nose, or throat
  • Constipation
  • Mild headache or blurred vision
  • Nervousness or restlessness, especially in children
  • Insomnia (trouble sleeping)

These effects can impair mental alertness. You should avoid driving or operating heavy machinery until you know how the medicine affects you. Alcohol, sedatives, or tranquilizers can increase drowsiness.

Serious Side Effects and Warnings

Seek immediate medical attention if you experience signs of a serious reaction, such as a rash, hives, swelling of the face/tongue/throat, or difficulty breathing. You should also stop use and consult a healthcare provider immediately if you experience:

  • Cardiovascular issues: Chest pain, fast/irregular heartbeat, or signs of dangerously high blood pressure (severe headache, buzzing in the ears).
  • Liver damage: Nausea, vomiting, loss of appetite, dark urine, yellowing of the skin or eyes (jaundice).
  • Central Nervous System effects: Confusion, hallucinations, or seizures.
  • Urination problems: Little or no urinating.

Important Safety Information

  • Liver Warning: This product contains acetaminophen. Taking more than the recommended dose, or taking it with other acetaminophen-containing products or with three or more alcoholic drinks daily, can cause severe and potentially fatal liver damage.
  • Drug Interactions: Do not use Clinicold if you are currently taking or have stopped taking a Monoamine Oxidase Inhibitor (MAOI) within the last 14 days, as a dangerous drug interaction may occur. Consult a doctor or pharmacist about all other medications you take, including prescription, over-the-counter, and herbal products.
  • Pre-existing Conditions: Consult a healthcare professional before use if you have conditions such as high blood pressure, heart disease, diabetes, glaucoma, thyroid disease, or an enlarged prostate.

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information

This information is based exclusively on the overdose section of governmental regulatory documents for products containing Brompheniramine maleate and Phenylephrine hydrochloride.

Element Official Regulatory Description
Documented Overdose Presentations Symptoms may range from Central Nervous System (CNS) depression (e.g., lethargy, drowsiness, coma) to stimulation (e.g., restlessness, seizures), accompanied by severe atropine-like effects (e.g., dilated pupils, fever) and gastrointestinal symptoms (nausea, vomiting).
Physiological Systems Affected Primarily the CNS, Cardiovascular system (tachycardia, hypertension, rhythm disturbances), and Anticholinergic system.
Population-specific Overdose Notes Overdosage in young children is officially linked to an increased risk of severe outcomes, including convulsions and death.
Emergency-response statements Seek emergency medical attention or call the local Poison Control Center (e.g., 1-800-222-1222) immediately.
When immediate medical help is required Immediate medical help is required if the victim has collapsed, had a seizure, has trouble breathing, or cannot be awakened.

Official Overdose Statements:

Regulatory documents highlight that overdose may lead to serious heart rhythm disturbances, hypertensive crisis, and severe effects on the heart and circulation. Specific supportive management measures are described, including potential use of gastric lavage, activated charcoal, and necessary cardiac monitoring. There is no specific antidote documented in the official labeling, and the use of stimulants to treat CNS depression is discouraged.

Connection to the overall overdose profile:

Regulatory documents define the overdose profile by listing specific, potentially life-threatening manifestations across the neurological and cardiovascular systems, including the risk of coma and death. This profile mandates that individuals must seek emergency medical attention immediately if severe signs like seizure or collapse occur. The official information is clear that management focuses on supportive care and the treatment of documented symptoms.

Therapeutic Uses of Clinicold

What Clinicold Treats: Main Uses and Benefits

Clinicold provides targeted symptomatic relief, offering support when symptoms become noticeable and disrupt daily stability. It is commonly applied in contexts where temporary assistance is needed to manage a cluster of challenging manifestations associated with acute episodes, such as the common cold or flu.

The medication may be applied in addressing multiple symptoms, including fever, minor aches, nasal congestion, and cough. It provides support that helps ease the overall symptom burden, supporting the patient during difficult episodes by easing distress. The medication may be part of symptomatic management applied across domains where short-term symptom management is appropriate.

Management of Disruptive Manifestations

The medication is considered relevant in clinical settings that involve acute or unstable symptom patterns that lead to temporary functional strain. It helps address symptom clusters that may become intense or disruptive, offering symptomatic relief that may help patients cope more steadily with symptom fluctuations when symptoms interfere with routine activities.


Quick Fact: Relevant for Easing Multiple Symptoms


Regulatory References

  1. Health Canada Guidance on Cold and Flu Symptoms

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Clinicold

The following information on population eligibility is based strictly on official regulatory documents for the Brompheniramine-Phenylephrine combination.

Category Regulatory Status Restriction Details
Populations Contraindicated Absolute Prohibition Patients taking a Monoamine Oxidase Inhibitor (MAOI) or within 14 days of stopping one; individuals with severe hypertension or coronary artery disease; and those with known hypersensitivity to the ingredients.
Age-Related Rules Not Recommended/Contraindicated Use in children under 6 years is strictly advised against. Use in older adults (65+ years) requires caution due to potential increased sensitivity.
Conditional Use Consult a Health Professional Required for patients with heart disease, high blood pressure, diabetes, thyroid disease, glaucoma, or trouble urinating due to an enlarged prostate gland.
Pregnancy/Lactation Conditional Use/Avoid Use is not recommended while breastfeeding. Pregnant and breastfeeding individuals must consult a health professional before use.

Connection to the overall eligibility profile: Official regulatory documents define who can and cannot use the medicine by establishing absolute contraindications (prohibitions) and clear conditional limitations (cautionary statements) that restrict general use for specific age groups, physiological states, and pre-existing chronic conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes the officially documented interaction patterns for Clinicold, which is a fixed-dose combination of Brompheniramine maleate (antihistamine) and Phenylephrine hydrochloride (decongestant), based strictly on regulatory product labeling.

Interaction Classifications and Restrictions

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is formally contraindicated due to the risk of severe pressor enhancement from the Phenylephrine component. Regulatory labels mandate that a minimum of 14 days must elapse after discontinuing MAOI therapy before this medication is used.

Interaction Type Interacting Agents (Examples) Official Outcome Description
Pharmacodynamic CNS Depressants, Alcohol Leads to additive CNS depressant effects, increasing drowsiness.
Pharmacodynamic Antihypertensive Drugs, Beta-Blockers Phenylephrine may reduce or counteract the therapeutic efficacy of these agents.
Pharmacodynamic Anticholinergic/Tricyclic Antidepressants Potential for reinforcement of antimuscarinic effects due to Brompheniramine.

Co-administration with other sympathomimetic agents is associated with an increased risk of cardiovascular effects. Furthermore, official documentation notes that elderly patients may exhibit an increased susceptibility to adverse pharmacodynamic effects, which can be heightened by concurrent use of interacting agents. The profile emphasizes avoidance of combinations that enhance pressor activity or additive CNS depression.

Mechanism of Action

Clinicold is a fixed-dose combination product containing two distinct pharmacological agents: an H1 histamine receptor antagonist and an alpha1-adrenergic receptor agonist. The antihistamine component functions as an inverse agonist or competitive antagonist at the histamine H1 receptor, preventing the endogenous ligand, histamine, from binding to and stabilizing the receptor in its active conformation. This blockade interrupts the intracellular Gq protein-coupled signaling pathway, thereby inhibiting the downstream increases in phospholipase C activity and inositol trisphosphate ( IP3) production, which normally follows H1 activation. The system-level consequence is the modulation of vascular permeability and the reduction of sensory nerve stimulation.

The alpha1-adrenergic agonist component acts as a direct-acting full agonist at the postsynaptic alpha1-adrenergic receptor found on vascular smooth muscle cells. Agonism at this receptor initiates a Gq protein-coupled cascade, leading to the activation of phospholipase C, increased IP3 production, and a subsequent rise in intracellular Ca^2+ concentration. This molecular cascade induces the contraction of the smooth muscle, resulting in local vasoconstriction, primarily in the arteriolar and venular beds of the nasal mucosa.

Dosage and Administration Information

How to use Clinicold

The administration of Clinicold, a fixed-dose combination of brompheniramine maleate and phenylephrine hydrochloride, is based on established administration protocols. The medication is intended for oral administration across all its available forms: oral liquid, standard tablets, and extended-release capsules.


Dosing and Scheduling Principles

Dosing is based on a structured, divided schedule intended for short-term, acute symptom management. For Adults and Children 12 years and older, the dose of the standard formulation is typically repeated every 4 to 6 hours. Pediatric patients 6 to under 12 years of age are administered a reduced, specific dose every 4 to 6 hours, while the medicine is generally not indicated for use in children under 6 years of age.

The central constraint across all regimens is the maximum 24-hour limit, which must not be exceeded. Extended-release formulations typically permit a less frequent schedule, such as every 12 hours, while still adhering to the daily maximum allowance.


Administration Requirements and Handling

Feature Administration Summary
Intake Context May be taken with or without food.
Liquid Handling Liquid doses must be measured using the calibrated dosing device provided by the manufacturer, rather than common household measuring utensils.
Extended-Release Forms Extended-release capsules or tablets must be swallowed whole and are not permitted to be crushed, chewed, or divided.
Course Duration Use is limited to a short-term duration (e.g., often a maximum of 7 days) and should cease when symptoms resolve.

If a dose is missed, it is typically taken as soon as it is remembered, provided the time until the next scheduled dose is sufficient to maintain the required interval and the maximum 24-hour limit is preserved.

Recent Clinical Evidence

Evidence from Systematic Reviews on Combination Therapies

Research into symptomatic relief for conditions associated with acute or disruptive episodes, such as the common cold, was studied for how combination treatments, including an antihistamine and a decongestant, affect symptom patterns. The primary source of evidence comes from systematic reviews that combine data from multiple Randomized Controlled Trials (RCTs). This research was conducted during periods of increased symptom activity and was evaluated in studies examining patient-reported outcomes describing perceived discomfort. Systematic reviews report patterns observed in the studies related to changes in overall symptom scores in adult and older children populations (typically over six years of age). This evidence contributes to understanding symptom patterns of the combination treatment class over short-term follow-up periods (e.g., 2 to 10 days). However, evidence remains limited when trying to isolate the effects observed from this two-component combination from similar products that were studied for a three-component combination.

Research Focus on Nasal Congestion (Decongestant Component)

Research has explored how the decongestant component, Phenylephrine, was evaluated in studies focusing on nasal congestion. Studies explored the impact of this ingredient on outcomes linked to inflammatory or irritative states using objective physiological measures, such as Nasal Airway Resistance. The available research record describes a degree of variability across studies. Regulatory reviews, which synthesize the totality of the evidence, concluded that the scientific data do not support that the recommended oral dosage of the Phenylephrine component is clinically effective for reducing nasal congestion.

What Is Still Uncertain About Clinicold

A key research limitation frame is the inconsistent evidence quality and mixed findings reported for the decongestant component. These findings, when synthesized by regulatory bodies, contribute to the established uncertainty surrounding this component's oral effectiveness. Furthermore, comparative evidence is lacking for the specific two-ingredient combination. Research follow-up durations were limited, meaning long-term effects are not fully established. Additionally, data for certain groups remain insufficient, particularly for young children, for whom subgroup findings are uncertain.

Frequently Asked Questions (FAQ)

Common questions about Clinicold (FAQ)


Q: What is the main difference between Clinicold and common cold medicines?

Official product information classifies Clinicold as a fixed-dose combination product. This means it incorporates two distinct active ingredients: an antihistamine (Brompheniramine maleate) and a nasal decongestant (Phenylephrine hydrochloride). Common cold medicines may contain single ingredients or different combinations of active substances.


Q: Can Clinicold be taken with high blood pressure medication?

Regulatory documents state that the Phenylephrine component in Clinicold may reduce or counteract the efficacy of antihypertensive drugs. Individuals with high blood pressure or those taking such medications are advised in the product label to consult a health professional before use.


Q: What happens if I forget to take a dose of Clinicold?

Regulatory guidance advises taking the missed dose as soon as it is remembered. However, it is advised that the time until the next scheduled dose is sufficient to maintain the required interval, and the maximum 24-hour limit for the medication is not exceeded.


Q: How long does the effect of Clinicold usually last?

The duration of effect is generally implied by the dosage schedule outlined in regulatory labels. For the standard formulation, this typically involves repeating the dose every 4 to 6 hours.


Q: Can women who are planning to become pregnant use Clinicold?

Regulatory documents advise that individuals who are pregnant or are trying to get pregnant must consult a health professional before use. Regulatory documents indicate that consultation allows for a review of the medication's appropriateness for the individual's specific circumstances.


Q: Is the research evidence for Clinicold considered strong?

Regulatory reviews that synthesize clinical evidence report that scientific data for the Phenylephrine component's recommended oral dosage are not always considered to support clinical effectiveness for reducing nasal congestion. The antihistamine component, however, is an established approach for managing allergy-related symptoms.


Q: Is there a maximum number of days I can use Clinicold?

Yes. Regulatory instructions limit the use of Clinicold to a short-term duration, typically a maximum of seven days. The product is intended for acute symptom relief and should be stopped once symptoms have resolved.


Q: Are the side effects of Clinicold more common at higher dosages?

Official warnings indicate that taking more than the recommended dose can increase the risk of serious adverse outcomes. This includes a higher risk of severe liver damage (due to the acetaminophen component, if present) or other dose-related effects.


Q: If I am taking multiple medications, how should I check for Clinicold interactions?

Official safety information advises that individuals consult a doctor or pharmacist about all other products taken. This includes prescription, over-the-counter, and herbal products, to review for potential interactions before use.


Q: What are the common misunderstandings about how Clinicold is supposed to be used?

Regulatory instructions clarify key aspects of use to avoid common errors. For liquid forms, the use of the calibrated dosing device provided is specified. Also, extended-release capsules or tablets must be swallowed whole and not crushed or chewed.


Q: Is Clinicold only used for cold symptoms or other things too?

According to official regulatory labels, the medication is approved for the symptomatic relief associated with the common cold, the flu, and allergies (including hay fever).


Q: Does Clinicold contain an antihistamine?

Yes. Clinicold is a fixed-dose combination product, and one of its active ingredients, Brompheniramine maleate, is classified as an antihistamine.


Q: How quickly should I expect Clinicold to start working?

Studies on the active components indicate that the antihistamine ingredient, Brompheniramine, has been observed to reach its maximum concentration in the blood within approximately two to five hours after oral intake. This information is based on studies of how the body handles the medicine.


Q: Do I need a prescription to get Clinicold?

Official regulatory classification defines Clinicold as an over-the-counter (OTC) product. This indicates that, in many jurisdictions, it is available for purchase without requiring a prescription.


Q: Has Clinicold been studied in children?

Studies related to the clinical pharmacology of the antihistamine component have been reported in children to examine aspects like the onset and duration of action. However, the product is generally advised against for children under six years of age.


Q: What are the ingredients in Clinicold?

The two active ingredients are Brompheniramine maleate and Phenylephrine hydrochloride. Inactive ingredients vary based on the specific formulation (e.g., tablet, liquid) but typically include colorings, flavorings, and other excipients.


Q: Can I take Clinicold if I have liver problems?

Regulatory safety information advises that patients with pre-existing conditions, including liver disease, must consult a health professional before using this medication. This is essential as the product may contain acetaminophen, which is metabolized by the liver.


Q: Can Clinicold cause an upset stomach?

Yes. Official product documentation lists upset stomach as a potential side effect associated with the use of this medication.


Q: Is it normal to feel a bit restless after taking Clinicold?

Yes. Official documents list nervousness or restlessness as potential side effects of the medication, particularly in children. If this effect is concerning, it should be reviewed.


Q: Can Clinicold be used for flu symptoms as well as a cold?

Yes. Official regulatory labels state that the medication is used to treat symptoms associated with the common cold, flu, and allergies.


Q: What is known about the long-term effects of using Clinicold?

Since the medication is officially authorized and intended for short-term use only (e.g., up to 7 days), information on the safety and efficacy of long-term use is not generally established in the available regulatory data.


Q: Does Clinicold interact with herbal supplements?

Regulatory safety warnings advise consulting a health professional about all other products taken, including prescription, over-the-counter, and herbal products, to check for interactions before use.


Q: Is the purpose of Clinicold to cure the cold?

No. Official regulatory documents describe the purpose of the product as providing temporary relief of symptoms associated with the common cold, flu, and allergies, and it is not intended to cure the underlying condition.


Q: Are there any reported cases of serious allergic reactions to Clinicold?

Official product labeling advises users to seek immediate medical attention if signs of a serious allergic reaction occur. This instruction indicates that a severe allergic response is a recognized potential risk associated with the medication.


Q: Does Clinicold affect blood sugar levels?

The decongestant component in Clinicold is a sympathomimetic agent that may interfere with blood glucose control. For this reason, official information specifically advises individuals with diabetes to consult a health professional before using the medication.


Q: What should I do if a side effect seems concerning?

Official documents advise that users stop use and consult a healthcare provider immediately if they experience serious side effects. These include symptoms such as chest pain, a fast or irregular heartbeat, or signs of dangerously high blood pressure.


Q: Is Clinicold considered a stimulant?

The Phenylephrine component is classified as a sympathomimetic agent. Regulatory texts describe the component as having minimal central nervous system (CNS) stimulation, distinguishing it from major stimulants.


Q: Does Clinicold contain pseudoephedrine or related compounds?

The medication contains the decongestant Phenylephrine hydrochloride, which is a sympathomimetic amine. However, it does not contain the related compound pseudoephedrine.

How should Clinicold be stored and disposed of?

How to Store and Dispose of Clinicold?

The Brompheniramine/Phenylephrine combination must be stored according to regulatory specifications to ensure stability and safety.

Storage Conditions

Store the medication at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The product must not be refrigerated and should be protected from excess heat, light, and moisture. Keep the medication in its original container with the cap tightly closed.

Disposal and Safety

For safety, keep Clinicold out of the sight and reach of children. Unused or expired medication should be disposed of via a drug take-back program. If a program is unavailable, follow guidelines to mix the medicine with an unappealing substance, seal it in a container, and discard it in the household trash, ensuring all personal information is removed from the packaging.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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