Regla-PH

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Regla-PH

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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 Regla-PH

Quick Facts

Property Description
Active ingredient Aluminum Hydroxide (Al(OH)3) and Magnesium Hydroxide (Mg(OH)2)
Form Oral suspension and Chewable tablet
Pharmacological class Antacid (Combination)
Common use Symptomatic relief of gastric hyperacidity
Origin Inorganic salts (Synthetic)

What Type of Medicine is Regla-PH? (Identity and Classification)

Regla-PH is an over-the-counter (OTC) combination medication classified within the pharmacological group of Antacids, agents clinically recognized for their ability to neutralize acid in the upper gastrointestinal tract.

The formulation utilizes two distinct active components, Aluminum Hydroxide and Magnesium Hydroxide, which is characteristic of a combination product. This design ensures a fast-acting therapeutic response, providing rapid short-term relief for symptoms like the burning sensation associated with heartburn, rather than reducing acid production over time.


Composition, Forms, and Origin of Regla-PH

The active composition relies on the basic inorganic salts Aluminum Hydroxide (Al(OH)3) and Magnesium Hydroxide (Mg(OH)2). These synthetic agents act locally to rapidly elevate the stomach's pH.

Regla-PH is typically available for oral administration as an oral suspension (liquid) or a chewable tablet. The formulation's primary differentiating feature is the co-inclusion of the Aluminum component, which can slow bowel transit, with the Magnesium component, which tends to promote it, thereby mitigating potential disruptive effects on digestion.


How Regla-PH Provides General Symptomatic Relief

The general therapeutic purpose of Regla-PH is to relieve the acute discomfort of acid indigestion and gastric hyperacidity through the core mechanism of direct acid neutralization. This simple chemical reaction, involving the binding of free acid in the stomach, provides a swift, physical correction to the overly acidic environment, making it suitable for addressing episodes of sour stomach.

Regulatory References

  1. Antacids
  2. MedlinePlus Drug Information
  3. short-term relief
  4. oral suspension
  5. gastric hyperacidity

What side effects are possible with Regla-PH?

Possible Side Effects and Safety Information

The medicine's official safety profile is structured by serious, time-dependent neurological risks and common, less severe effects, as documented by regulatory authorities (e.g., FDA and EMA).


Serious Adverse Reactions and Systemic Safety Patterns

The most serious documented concern is the risk of Tardive Dyskinesia (TD), a potentially irreversible movement disorder. Regulatory labeling indicates that the risk for TD increases with the duration of treatment and cumulative dose, leading to a strong emphasis on limiting use, typically to no more than 12 weeks. Other serious risks include Neuroleptic Malignant Syndrome (NMS), a rare but potentially fatal condition, and Severe Depression, including reports of suicidal ideation.

Serious cardiovascular reactions, such as cardiac arrest and hypotension, have been reported, primarily associated with rapid intravenous administration. The medication is also known to induce Extrapyramidal Symptoms like acute dystonic reactions and parkinsonism.


Common Adverse Reactions and Safety Considerations

Adverse reactions classified as common (ge 1/100 to < 1/10) often involve the nervous system, including drowsiness (somnolence), restlessness (akathisia), fatigue, and headache. Diarrhea is also a commonly reported gastrointestinal effect.

  • Population-Specific Notes: Older adults may be more susceptible to neurological reactions like TD and Parkinsonism. Pediatric patients are at an increased risk of acute dystonic reactions, which often occur early in treatment. Dose adjustments are necessary for patients with significant renal or hepatic impairment due to reduced clearance.

  • Safety Restrictions: The medicine is contraindicated in cases of gastrointestinal hemorrhage, obstruction, or perforation, and in patients with pheochromocytoma due to the risk of hypertensive crisis, as explicitly stated in official labels.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documentation describes the potential for serious manifestations following an overdose of Regla-PH (Metoclopramide), mandating specific actions when severe signs appear.

Documented Overdose Manifestations

System Documented Signs (as listed in official labels)
Neurological Drowsiness, sedation, confusion, disorientation, hallucinations, and extrapyramidal reactions (EPS).
Cardiopulmonary Severe bradycardia, circulatory collapse, QT prolongation, and cardio-respiratory arrest.
Hematological Methemoglobinemia, particularly noted in neonates.

Overdose symptoms involving the central nervous system are generally self-limiting and may resolve within 24 hours. However, the documented risks of severe cardiovascular and neurological complications require immediate professional attention.

Required Emergency Actions

Immediate medical attention must be sought upon the observation of serious symptoms, including the onset of extrapyramidal reactions or Neuroleptic Malignant Syndrome (NMS), due to the life-threatening potential of documented cardiovascular events. The medication must be immediately discontinued in these scenarios. Monitoring of vital functions is required.

Management is defined as symptomatic and supportive, as no specific antidote is known. Officially documented supportive measures include the use of anticholinergic or antiparkinsonian drugs for the control of EPS, and methylene blue for the treatment of methemoglobinemia.

Therapeutic Uses of Regla-PH

What Regla-PH Treats: Main Uses and Benefits

Regla-PH (Metoclopramide) is commonly used to help manage symptoms related to systemic imbalance, specifically those that affect the gastrointestinal tract. As a medication used to help manage symptoms related to gastrointestinal function, its core therapeutic domain involves addressing symptoms related to physical discomfort such as nausea and vomiting.

The medication is applied in addressing conditions like diabetic gastroparesis and gastroesophageal reflux disease (GERD). These are conditions presenting with systemic or localized discomfort and often involve episodic or fluctuating manifestations.

“Regla-PH contributes to improved comfort during periods of heightened symptoms and supports patients during episodes of heightened discomfort.”

Regla-PH assists with maintaining functional stability, which may help manage symptoms that interfere with daily functioning. The medication is relevant when supportive symptom management is appropriate and may help ease the overall symptom burden in scenarios where symptoms escalate temporarily. It contributes to supportive relief when symptoms interfere with routine activities.


Quick Fact: Helps manage Nausea and Vomiting

Eligibility and Restrictions for Use

Who Can and Cannot Use Regla-PH? (Official Regulatory Eligibility)

The eligibility for Regla-PH (Aluminum Hydroxide/Magnesium Hydroxide) is determined by regulatory guidelines, primarily focusing on patient safety regarding metal ion accumulation and existing gastrointestinal health.


Eligibility Restrictions

The use of Regla-PH is contraindicated (must not be used) in patients with severe kidney failure or advanced renal disease due to the high risk of aluminum and magnesium accumulation. It is also contraindicated if a patient has known hypersensitivity to the ingredients or if there is a possibility of bowel obstruction or severe abdominal pain.

Population Group Regulatory Status Restriction Context
Adults and Adolescents Generally Permitted Age 12 years and older
Children Under 12 Not Recommended Consult a physician; safety not established
Renal Impairment Restricted / Contraindicated Risk of metal ion accumulation
Hypophosphataemia Contraindicated Risk of worsening low phosphate levels

Special Populations and Limitations

Patients with any degree of renal impairment must use the medicine with caution. Individuals on a low-phosphorus diet are also advised to consult a healthcare provider before use. For pregnant women, use is generally restricted, and some authorities advise avoiding use in the first trimester. The medicine is generally considered compatible with breastfeeding when used as recommended.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regla-PH, an antacid combination of Aluminum Hydroxide and Magnesium Hydroxide, has officially documented interaction patterns primarily centered on its physical and chemical properties in the gastrointestinal tract.

Pharmacokinetic Alterations and Timing Constraints

The most common interaction documented by regulatory authorities is the decreased oral bioavailability of many co-administered medicinal products, which is a pharmacokinetic interaction. The metallic components can bind to agents such as Tetracyclines, Digoxin, Fluoroquinolones, Iron Salts, and Levothyroxine, officially resulting in reduced systemic exposure of those medicines. To minimize this interference, official prescribing information recommends separating the administration of Regla-PH from these and other oral drugs by 2 to 3 hours.

Documented Substance Interactions

Co-ingestion with Citrates (found in many foods and juices) is officially documented to significantly increase the absorption of the Aluminum component, leading to a documented risk of elevated serum aluminum levels. Furthermore, co-administration with other Magnesium-containing preparations may result in an additive pharmacodynamic effect, increasing the risk of magnesium toxicity. For patients with renal impairment, official warnings state that the reduced clearance of both active ingredients heightens the severity of all systemic interaction risks, including hyperaluminemia and hypermagnesemia.

Mechanism of Action

Regla-PH is a selective modulator of the PH A receptor, a transmembrane protein primarily expressed on parathyroid tissue. Regla-PH exerts its action by binding to an allosteric site on the receptor, leading to a conformational change that increases the receptor's sensitivity to extracellular calcium ions. This augmented sensitivity to serum Ca^2+ results in the suppression of parathyroid hormone (PTH) secretion via G-protein-coupled signaling pathways.

This downstream effect leads to a net decrease in circulating PTH concentration. Physiologically, the reduced PTH alters the PTH-mediated signaling cascade in bone and kidney target tissues. In the kidney, this promotes an increase in renal Ca^2+ reabsorption and a decrease in phosphate reabsorption, thereby modulating the Ca^2+/Phosphate serum concentration ratio. The modulator's high specificity limits off-target activity, focusing the pharmacodynamic effect strictly on the PH A receptor.

Dosage and Administration Information

Regla-PH (Metoclopramide) is administered via three approved routes: oral (tablet or liquid), intravenous (IV), and intramuscular (IM). The standardized guidance on dosing and duration varies significantly by region and the specific indication.


Dosing and Duration Context

Contextual Constraint Standardized Instruction
Oral Intake Timing Oral doses must be taken 30 minutes before meals and at bedtime.
Frequency & Interval Administration must be separated by a minimum 6-hour interval, a procedural rule that must be respected under all circumstances.
Maximum Daily Dose The maximum daily dose is restricted to 60 mg/day in certain regional standards, while other protocols impose a stricter limit of 30 mg/day.
Course Duration Use is strictly time-limited. Specific standards restrict treatment duration to a maximum of 5 consecutive days for most approved uses, whereas other protocols permit use for up to 12 weeks for specified chronic conditions.

Procedural Requirements

For the injectable form, IV doses must be administered slowly over a period of 1 to 3 minutes to ensure proper delivery. Dosage adjustment is mandatory for certain patient populations; specifically, the dose must be reduced by approximately 50% in individuals with documented moderate to severe renal or hepatic impairment. Furthermore, therapy for older adults should be initiated at the lower end of the dosing range, such as 5 mg per dose, to account for potential decreased organ function. These explicit requirements structure the safe and standardized application of the medicine.

Recent Clinical Evidence

Regla-PH: Recent Clinical Evidence


Evidence for Use in Symptomatic Acid Indigestion and Heartburn

Research examining the combination antacid, Regla-PH, was studied for use in individuals experiencing the acute discomfort of acid indigestion and heartburn. The evidence base includes Randomized Controlled Trials (RCTs) and systematic reviews, which summarize research exploring how symptoms change over time in patients with episodic symptom patterns. These studies typically compare the antacid combination to an inactive substance (placebo) or to other types of acid-reducing medicines. In these trials, research examined outcomes related to physical discomfort, such as the timing of symptom assessment and how symptom intensity was perceived by the patient.

Studies reported measurements of changes in patient-reported symptom scores following administration of the antacid. Findings describe patterns observed in the studies, primarily focusing on the very short-term experience of the patient. Evidence for this medicine was evaluated for its core purpose, which is the immediate, short-term assessment of acid-related symptoms. This evidence is assigned a high level based on the consistency of patterns observed across multiple trials.


Examining the Effect: Physiological Research

This part describes the scientific studies that focused on the medicine's physical action. Research examined temporary physiological imbalance by monitoring objective measures, such as the medicine's Acid Neutralizing Capacity (ANC). This measurement is used in research exploring the product's acid neutralizing capacity (ANC). Furthermore, studies were designed to monitor gastric and esophageal pH levels. These physiological studies report how acid levels evolved in the observed populations after taking the antacid, and research provides context but not individual predictions regarding symptom patterns.


Follow-up Duration and Long-Term Data

The observation periods utilized in the research for this type of medicine are divided into two main categories. First, many studies focused on immediate outcomes, where research explored short-term symptom changes, often measured in minutes (such as 15 or 30 minutes) or up to a few hours post-dose. This reflects the research focus on short-term changes for episodic discomfort. Second, some clinical trials assessed outcomes over short treatment periods, typically lasting one to six weeks, used in research exploring how symptoms change over time.

However, long-term outcomes are not fully established. Data are still emerging for long-term outcomes, and research does not determine whether an individual will respond similarly over extended periods. Follow-up durations were limited in most of the pivotal trials.


Evidence in Special Populations

The combination antacid was evaluated in specific patient groups. Most clinical trials concentrated on the general adult population experiencing symptoms. However, some data describe patterns related to use in pregnant women who was studied for heartburn symptoms. Data for certain other groups, such as children, remain insufficient, and research does not provide comprehensive data for older adults with complex health needs. Generally, results apply only to the populations studied.


Areas of Research Uncertainty

The scientific literature highlights several limitations and areas where data are still emerging. The research provides insight into short-term changes, but the duration of effect was observed to be transient in studies. Another key limitation is that evidence primarily examined changes in patient-reported symptoms; research does not fully characterize the medicine’s role in managing or preventing underlying gastrointestinal tissue damage. Research highlights what is known — and what is still uncertain.

Frequently Asked Questions (FAQ)

Common questions about Regla-PH (FAQ)


Q: How does Regla-PH work to treat my condition?

Regla-PH works as a selective estrogen receptor modulator (SERM). This means it specifically targets and affects estrogen receptors in certain tissues, and is thought to help modulate cell growth and proliferation in those areas. According to official product information, this mechanism is central to its therapeutic action.


Q: Is Regla-PH an estrogen hormone?

No, Regla-PH is not an estrogen hormone. It is classified as a non-steroidal medication. Its function is to exert both estrogen-like and anti-estrogen effects in different parts of the body, which is the basis for its therapeutic use.


Q: Can I take Regla-PH if I am already taking birth control pills?

Studies and official information indicate that caution is necessary if this medication is used concurrently with oral contraceptive pills. The combination of these medicines may potentially change how each drug works in the body. It is recommended that this combination of medications be reviewed by a healthcare provider.


Q: Will Regla-PH make me gain weight?

Official product information lists changes in weight, including both gain and loss, as an uncommon or rare side effect observed during clinical trials. This means it is considered a rare finding relative to the overall patient population studied.


Q: Can Regla-PH affect my eyes or vision?

Yes, regulatory documents state that Regla-PH may cause visual disturbances. These can include blurred vision, reduced sharpness of vision (visual acuity), or, rarely, the development of cataracts. Regulatory information advises that changes in eyesight warrant consultation with a healthcare professional.

How should Regla-PH be stored and disposed of?

How to Store and Dispose of Regla-PH (Metoclopramide)

Regla-PH must be stored according to regulatory requirements to ensure its effectiveness and prevent degradation. This information applies to both tablets and the injection form.

Storage Requirements

Condition Requirement
Temperature Store at Controlled Room Temperature (20^circC to 25^circC) and keep away from excess heat.
Protection Keep the container tightly closed and away from excess moisture. The injection form must be protected from light.
Stability Visually inspect the injection before use; discard it if color or particulate matter is observed. Do not store open single-dose vials.
Child Safety Keep this medication out of the sight and reach of children.

Disposal Instructions

Unused or expired Regla-PH should be disposed of using an authorized drug take-back program. If a take-back option is unavailable, the medicine must be mixed with an unappealing substance, such as used coffee grounds, and then placed in a sealed container before being thrown into the household trash. Personal information must be scratched out from the prescription label before discarding the packaging.

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

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