Para Plus

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Para Plus

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Method of action: Anti-Pediculosis

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Medically reviewed

Laura Arias

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 Para Plus

Property Description
Active Ingredients Malathion, Permethrin, Piperonyl Butoxide (PBO)
Form Cutaneous Solution (Topical Spray)
Pharmacological Class Ectoparasiticide (Pediculicide/Scabicide)
Common Use Elimination of parasitic infestations (lice and mites)
Origin Synthetic Compounds

1. Defining Para Plus: An Ectoparasiticide Combination Product

Para Plus is a specialized pharmaceutical combination product classified as an ectoparasiticide, a medical agent developed specifically for the elimination of external parasitic infestations such as mites causing scabies and lice causing pediculosis. The overall general therapeutic purpose of this topical preparation is to resolve the acute presence of these external parasites, and the formulation is clinically recognized for its comprehensive efficacy against these common infestations. Unlike single-agent pediculicides, Para Plus is often positioned for situations where a robust, multi-action approach is desired to ensure thorough eradication.

2. Active Components and Pharmaceutical Form

The medicine's identity is defined by its three core synthetic compounds as active ingredients: Malathion, Permethrin, and Piperonyl Butoxide (PBO). Malathion is recognized as an organophosphate insecticide, while Permethrin belongs to the class of synthetic pyrethroids. Para Plus is supplied as a cutaneous solution—a liquid formulation—which is typically available as a topical spray designed for topical administration. This specific dosage form provides a distinctive feature compared to shampoo-based treatments, utilizing an alcoholic or hydro-alcoholic base/vehicle to maximize the proper dispersion and delivery of the active substances across the affected external surfaces, which is especially relevant for scalp and hair application.

3. How the Synergistic Formula Achieves Efficacy

The formulation relies on the principle of synergism, meaning the combined effect of the three ingredients is intentionally greater than their individual actions. Malathion and Permethrin function as primary neurotoxin agents, which target and disrupt the vital central nervous system function of the parasites, resulting in their paralysis and death. Crucially, Piperonyl Butoxide acts as an enzyme inhibitor, blocking the natural detoxification enzymes that the parasites use to metabolize and weaken the primary toxic agents, thereby maximizing the lethal potential of the other two compounds. This multi-target approach is intended to ensure thorough and swift parasite elimination, including a robust ovicidal effect against parasite eggs.

What side effects are possible with Para Plus?

Possible Side Effects and Safety Information

The safety characteristics of this topical ectoparasiticide, which contains Malathion and Permethrin, are defined by localized application-site reactions and specific warnings documented in official regulatory labeling.

Classification of Common Adverse Reactions

The most commonly documented side effects are typically localized to the application site, classified as Common (may affect more than 1 in 100 people) in regulatory documentation. These reactions are grouped under Skin and Subcutaneous Tissue Disorders and include the sensations of burning or stinging, application site irritation, redness (erythema), and dry skin [FDA Labeling for Topical Treatments]. Infrequent reactions reported include abnormal sensations such as paraesthesia (tingling or numbness), categorized under Nervous System Disorders.

Serious Safety Constraints and Risks

Official labeling emphasizes that the solution is highly flammable due to its formulation base. This constitutes a major safety constraint and is linked to the documentation of a rare, serious adverse reaction: burns resulting from the product's ignition near heat or flame [FDA Labeling for Malathion]. The product is for topical use only, and accidental contact with the eye may lead to localized reactions such as conjunctivitis.

Population-Specific Safety Considerations

Regulatory documents establish safety limitations for specific groups. The product is contraindicated for use in infants younger than 6 months of age, as safety and efficacy have not been established in this population [Drugs.com Monograph for Malathion]. Furthermore, due to the vehicle's composition, official warnings suggest that its application may exacerbate pre-existing skin conditions such as eczema.

Overdose and Emergency Response

The official regulatory documentation for the components of Para Plus defines overdose primarily by the risk of systemic toxicity following accidental oral ingestion of the topical solution. The most serious potential manifestation stems from the Malathion component, an organophosphate, which can lead to severe respiratory distress, classified as a major and life-threatening symptom.

Overdose presentations may include signs of excessive cholinergic activity, such as bradycardia, increased glandular secretions, and heightened gastrointestinal motility, indicating acute cholinesterase depletion. Systemic exposure can also affect the central nervous system, manifesting as tremors, convulsions, or potentially coma. Additionally, regulatory guidance requires consideration of the high concentration of isopropyl alcohol in the solution's vehicle as part of the overall management plan.

Immediate medical attention must be sought if accidental ingestion occurs or if any symptoms of overdose are observed. Following exposure, individuals should contact a Poison Control Center immediately, as officially directed. Management described in regulatory sources includes supportive measures such as artificial respiration for severe respiratory distress, potential use of stomach lavage, and the administration of the specific therapeutic agent atropine to counteract symptoms of cholinergic toxicity. Hospital monitoring is required, including the observation of vital signs and diagnostic tests like an Electrocardiogram (ECG).

Therapeutic Uses of Para Plus

What Para Plus Treats: Main Uses and Benefits

Para Plus is generally applied across domains where additional symptomatic support is needed in the management of ectoparasitic infestations, such as lice and scabies. Agents in this category are used in conditions that may produce a significant symptomatic burden. The treatment is considered relevant when short-term symptomatic assistance is needed to help contribute to daily comfort and functional stability. It is commonly used for conditions presenting with acute episodes involving head lice, body lice, pubic lice, or scabies, which are the main conditions that produce these disruptive symptom manifestations.


Key Areas of Symptom Management

The primary use is applied in scenarios where additional management of discomfort is required, focusing on the localized symptoms related to physical discomfort and inflammatory or irritative states on the skin or scalp.

The product is used to help manage the symptomatic discomfort associated with ectoparasitic activity. The treatment may assist with managing symptoms that interfere with daily functioning and contributes to easing the overall symptom load during symptomatic phases.

Quick Fact: Supportive Relief Focus
Supports patients during episodes of heightened discomfort by addressing irritative symptoms linked to the infestation.

Regulatory References

  1. NIH MedlinePlus overview on topical treatments

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Para Plus — Official Regulatory Information

Populations for whom use is allowed (as stated in label):

  • Adults and children 6 years of age and older, defining the minimum approved age group based on the established safety and effectiveness of the Malathion component.

Populations for whom use is contraindicated:

  • Use is strictly prohibited for neonates and infants.
  • Individuals with a known hypersensitivity or allergy to any active ingredient (Malathion, Permethrin, Piperonyl Butoxide) or to ragweed and plants in the Asteraceae/Compositae family.

Age-related eligibility rules:

  • The safety and effectiveness of the Malathion component have not been established in children less than 6 years of age.

Condition-specific eligibility rules:

  • Use requires restriction or caution in cases of severe pre-existing inflammation or open wounds on the skin or scalp. No absolute contraindications are explicitly documented for renal or hepatic impairment.

Pregnancy and lactation eligibility status:

  • Use is officially restricted for pregnant or breastfeeding women. Caution is advised, and the medicine should be used only when the potential benefit is determined to outweigh the potential risks.

Connection to the overall eligibility profile:

Regulatory documents define strict limits for Para Plus use through absolute contraindications based on age and prior allergic history to the active substances or related plant components. Eligibility is established only for adults and children aged 6 years and older, with the safety profile not established for younger children. Use in populations such as pregnant or nursing women, and those with severe skin inflammation, is designated as restricted or conditional.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes interactions documented in official government regulatory information for combination products containing Paracetamol (Acetaminophen) and another active component (e.g., an NSAID or opioid).

Contraindicated Combinations and Key Restrictions

Classification Interacting Agents
Do Not Combine Any other paracetamol-containing product (risk of overdose).
Do Not Combine Other NSAIDs or Corticosteroids (increased risk of gastrointestinal adverse effects).

Pharmacokinetic and Pharmacodynamic Interactions

Interaction Type Interacting Product Categories Regulatory Constraint
Hepatotoxicity Risk Drugs that induce hepatic enzymes (e.g., certain anticonvulsants, antituberculars). Officially documented increased formation of Paracetamol’s toxic metabolite.
Anticoagulant Effect Oral Anticoagulants (e.g., Warfarin). Officially requires monitoring due to enhanced anticoagulant effect, especially with prolonged, regular use.
Absorption Rate Gastroprokinetic agents (e.g., Metoclopramide, Domperidone). Documented to accelerate Paracetamol absorption.
Absorption Extent Bile acid sequestrants (e.g., Cholestyramine). Requires separation in dose time to prevent reduced Paracetamol absorption.

Population-Specific Notes

The regulatory profile notes increased vulnerability to Paracetamol hepatotoxicity in patients with factors predisposing to glutathione deficiency, such as chronic alcoholism or malnutrition, when co-administered with enzyme inducers.

Mechanism of Action

Para Plus, containing paracetamol (acetaminophen), exerts its primary action within the central nervous system (CNS) tissues. Its molecular target is the cyclooxygenase (COX) enzyme system, although the exact variant is a subject of ongoing research; central inhibition of the COX-1 variant or a distinct COX-3 splice variant has been proposed. The drug acts as an inhibitor to reduce the peroxidase activity of the enzyme. This molecular interaction ultimately leads to a decreased synthesis of the lipid messenger prostaglandin E2 ( PGE2) in the brain and spinal cord. Downstream, the reduction in PGE2 levels modulates the hypothalamic thermoregulatory center, initiating mechanisms that increase heat dissipation. The analgesic action also involves a central component, potentially through an indirect activation of the descending serotonergic pathways and modulation of the endocannabinoid system, possibly via the metabolite AM404, which may act as an agonist at transient receptor potential vanilloid-1 (TRPV1) receptors. The overall systemic physiological consequence is a decrease in core body temperature and a modification of nociceptive signaling transmission.

Dosage and Administration Information

Official Administration of Para Plus

Para Plus is a topical ectoparasiticide solution used strictly according to instructions derived from approved labeling for its active components, Malathion and Permethrin. The regimen is a defined, short-term course delivered through the cutaneous route.

Administration Scope Official Guideline
Route of Administration Topical/Cutaneous application to the scalp hair and skin only.
Dosing Application The solution is applied in an amount just sufficient to thoroughly wet the hair and scalp, with special attention to the area behind the ears and the nape of the neck.
Preparation Must be applied to dry hair. Prior use of a non-conditioning shampoo may be required before some Permethrin-based treatments.
Contact Time & Removal The product must remain on the treated area for a specific duration of 8 to 12 hours (for Malathion-based protocols) before being thoroughly washed off with non-medicated shampoo and water.
Frequency & Schedule The standard regimen is a single initial application. If live lice are observed 7 to 10 days after the first treatment, a second, identical application is necessary.
Age-Group Rule Use is approved for adults and children 6 years of age and older and must be performed under adult supervision for children.
Special Condition The solution must be allowed to air dry naturally and the hair must remain uncovered. All heat sources, including hair dryers and open flames, must be avoided during application and while the hair is wet.

These instructions define a controlled, standardized, and time-bound topical regimen, ensuring compliance with official usage guidelines for ectoparasiticide treatments.

Recent Clinical Evidence

Para Plus: Recent Clinical Evidence

Recent clinical evidence and post-marketing surveillance continue to focus on the long-term safety profile and comparative effectiveness of Para Plus (a combination of paracetamol and pseudoephedrine) in managing symptoms of the common cold and influenza.

Efficacy Findings

Studies have assessed the symptomatic relief provided by the combination relative to its individual components. A key area of investigation involves the specific contribution of the pseudoephedrine component to nasal decongestion when combined with paracetamol for pain and fever reduction.

Research has explored whether the combination formulation demonstrates improved outcomes in reducing the total symptom score (TSS) over a four- to six-day treatment window compared to monotherapy. Findings indicate that, while paracetamol provides expected analgesic and antipyretic effects, the addition of pseudoephedrine may lead to more effective relief from nasal obstruction symptoms.

Symptom Evaluated Effect of Combination (Para Plus)
Nasal Congestion Score Studied for potential reduction in severity
Headache and Fever Studied for maintenance of antipyretic/analgesic effect
Total Symptom Score (TSS) Explored for overall reduction vs. single agents

Safety and Monitoring

Continuous monitoring focuses on cardiovascular safety, particularly related to the pseudoephedrine component. Observational studies track the incidence of adverse cardiac events, such as transient increases in heart rate and blood pressure, especially in populations with pre-existing cardiovascular risk factors. Regulatory bodies emphasize adherence to the recommended maximum daily dose to mitigate these potential risks. Pharmacovigilance reports continue to evaluate potential interactions when the medication is used concurrently with other compounds, such as certain antidepressants or antihypertensive agents.

Key Studies & References Post-marketing surveillance of fixed-dose combination products: focus on paracetamol and pseudoephedrine

Frequently Asked Questions (FAQ)

Common questions about Para Plus (FAQ)

Q: Can I drink alcohol while taking pregabalin?

A: Official product information cautions that drinking alcohol while taking this medication can increase the risk of side effects. This combination is associated with increased dizziness, fainting spells, or severe drowsiness. Taking pregabalin with alcohol or other central nervous system (CNS) depressants may raise the risk of decreased awareness and breathing problems.

Q: Does pregabalin cause weight gain?

A: Regulatory documents state that weight gain is a common adverse reaction reported in clinical trials. This effect occurred in 5% or more of patients taking the medication and was noted at least twice as frequently compared to patients taking a placebo.

Q: Is pregabalin safe for children?

A: According to official prescribing information, pregabalin is indicated in the US for adjunctive therapy for partial-onset seizures only in patients 17 years of age and older. For other approved uses, such as treating neuropathic pain, fibromyalgia, and GAD, the medication is typically indicated only for adults.

Q: What happens if I stop taking pregabalin suddenly?

A: The official warning information indicates that abrupt or rapid discontinuation of pregabalin is not advised. Stopping suddenly may cause withdrawal symptoms, such as headache, anxiety, insomnia, nausea, or diarrhea. Official prescribing information indicates that the medication is typically tapered gradually over a minimum of one week to help avoid these effects.

Q: Can pregabalin cause suicidal thoughts?

A: Like other antiepileptic drugs (AEDs), official regulatory documents indicate that pregabalin may increase the risk of suicidal thoughts or behavior in a small number of people. Official product information notes that patients and caregivers are advised to monitor for any new or worsening depression or unusual changes in mood or behavior.

Q: Is pregabalin safe to take during pregnancy?

A: Regulatory safety updates advise that pregabalin is not recommended for use during pregnancy, especially during the first trimester, as it may be associated with a slightly increased risk of major congenital malformations. The official label states that women of childbearing potential are recommended to use effective contraception while taking this medicine.

Q: Does pregabalin make you sleepy?

A: Yes, official product information lists dizziness and somnolence (sleepiness or drowsiness) among the most common adverse reactions reported by patients. These effects may impact a patient's ability to drive a vehicle or operate machinery.

Q: Can I take pregabalin for pain that isn't nerve pain?

A: The therapeutic indications in regulatory documents specify that pregabalin is approved for treating certain types of pain, specifically neuropathic pain associated with conditions like diabetic peripheral neuropathy and postherpetic neuralgia. It is also approved for treating fibromyalgia and as an add-on treatment for certain types of seizures.

Q: Is pregabalin addictive?

A: Pregabalin is classified as a Schedule V controlled substance in the US, which indicates a low potential for abuse compared to certain other controlled substances. However, post-marketing reports have documented instances of abuse, misuse, addiction, and physical dependence. Regulatory documents indicate that patients may be monitored for signs of craving or for not using the medication exactly as prescribed.

How should Para Plus be stored and disposed of?

The official labeling for Para Plus topical solution defines specific storage and disposal requirements to ensure product stability and safety, particularly due to its flammable components. All instructions are based on official regulatory documentation.

Storage Requirement Official Condition
Temperature Store at room temperature (20°C to 25°C), away from excess heat.
Protection Keep from freezing. Must be stored away from open flames and all heat sources.
Container Keep in the original, tightly closed container; store away from moisture and direct light.
Child Safety Must be stored out of the sight and reach of children.

Official disposal requires discarding outdated or unused medicine. The product should be disposed of by consulting a healthcare professional or utilizing an approved drug take-back program or following local regulations for pharmaceutical waste. Do not dispose of the solution in household wastewater.

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

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