Patanase

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Patanase

Method of action: Antiallergic, Ophthalmologicals

Treatment option:

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Patanase

Property Description
Active ingredient Olopatadine hydrochloride
Form Aqueous solution (Metered-dose nasal spray)
Pharmacological class Selective Histamine H1 Receptor Antagonist
General purpose To modulate the allergic inflammatory response in the nose
Origin Synthetic compound
Status Prescription-only medication (Rx)

Patanase: Definition and Pharmacological Classification

Patanase is a prescription-only nasal spray formulated with the active component, Olopatadine hydrochloride. It is classified as a selective histamine H1 receptor antagonist. This classification means the medicine is specifically designed to target the chemical pathways responsible for allergic reactions.

The core substance, Olopatadine, is a synthetic compound that delivers its therapeutic effect directly to the nasal passages. The compound is used to control nasal symptoms for the management of upper respiratory allergic conditions. Unlike older, first-generation agents, its designation as a selective, second-generation antagonist allows for potent local activity.

Composition, Delivery System, and General Purpose

Patanase is formulated as an aqueous solution that is administered via a metered-dose nasal spray. This dosage form ensures the application of a precise, consistent amount of the single active ingredient, Olopatadine hydrochloride, directly onto the nasal mucosa.

As a single-ingredient product, Patanase’s efficacy is attributed to its dual mechanism of action: it works by both blocking the H1 receptors and by stabilizing the mast cells responsible for releasing histamine. This combination is the basis of its general therapeutic purpose, which is to modulate the overall allergic inflammatory response in the nose. The intranasal delivery maximizes the concentration of the active component where the allergic reaction occurs, providing relief from common nasal discomforts, such as those experienced during a typical pollen season.

What side effects are possible with Patanase?

Safety and Adverse Reactions

Patanase (olopatadine hydrochloride) nasal spray is associated with specific local and systemic adverse reactions documented in regulatory prescribing information. The most clinically significant concerns are related to local nasal effects and central nervous system (CNS) effects.

Clinically Significant Adverse Reactions

  • Local Nasal Effects: The drug is associated with epistaxis (nosebleeds), nasal ulceration, and nasal septal perforation (a hole in the wall separating the nostrils). Nasal examinations are recommended periodically, and use should be discontinued if ulcerations or perforations occur. The product should be avoided in patients with nasal disease other than allergic rhinitis.
  • CNS Effects and Mental Alertness: The medication may cause somnolence and impaired mental alertness. Patients are advised to exercise caution with hazardous activities requiring complete mental focus and motor coordination, such as driving or operating machinery. Concurrent use with alcohol or other CNS depressants should be avoided due to the potential for additive impairment.

Common Adverse Reactions

Adverse reactions reported in clinical trials with an incidence greater than 1% include:

  • General: Bitter taste in the mouth.
  • Nervous System: Headache, drowsiness (somnolence).
  • Respiratory: Epistaxis (nosebleeds), pharyngolaryngeal pain (sore throat), post-nasal drip, and cough.
  • Infections: Urinary tract infection. In children 6 to 11 years of age, common reactions also include upper respiratory tract infection, pyrexia (fever), and rash.

Safety Considerations

The most common adverse reactions reported in the younger pediatric group (6 to 11 years) include epistaxis, headache, and upper respiratory tract infection. Data on the safety of the drug in patients 65 years of age and older are limited, as clinical trials did not include a sufficient number of subjects in this age group to fully determine if their response differs from younger adults.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Patanase (olopatadine hydrochloride) nasal spray is structured around the potential for systemic exposure and the known effects of antihistamine toxicity. While overdose from the nasal route alone is not generally anticipated, regulators describe specific manifestations and mandatory emergency actions for excessive use.

Domain Official Regulatory Statement
Documented Overdose Presentations Symptoms may include signs of CNS effects, such as agitation, restlessness, anxiety, and nervousness, which may progress to drowsiness or sleepiness. Other documented signs include irregular heartbeats and dry mouth.
Physiological Systems Affected Central Nervous System (CNS) and Cardiovascular System.
When Immediate Medical Help Is Required Immediate medical assistance (calling 911 or emergency services) is required if the person has a seizure, experiences trouble breathing, or has lost consciousness and cannot be awakened.
Emergency-Response Statements For any suspected overdose, contact a regional Poison Control center for guidance. Seeking emergency medical attention is mandated for severe presentations.

The regulatory guidance defines two levels of concern: general signs of overdose and severe, life-threatening outcomes that mandate immediate emergency service contact. The official management approach for overdose involves symptomatic and supportive treatment. Regulatory documents do not explicitly list a specific antidote for olopatadine toxicity.

Therapeutic Uses of Patanase

Patanase is commonly used for the symptomatic support of conditions involving allergic rhinitis in patients aged 6 and older. Specifically, it is used for managing symptoms related to Seasonal Allergic Rhinitis (SAR) and Perennial Allergic Rhinitis (PAR). The use of this medication extends to therapeutic domains where additional symptomatic support is appropriate for symptoms related to inflammatory or irritative states.


Symptomatic Support and Clinical Contexts

This medication is applied in addressing core symptom clusters that may become intense or disruptive, including common manifestations like sneezing, nasal itching, runny nose (rhinorrhea), and nasal congestion. It is also relevant for managing associated ocular symptoms such as itchy, watery eyes. Patanase is typically used during phases when symptoms become more noticeable, offering supportive relief that helps patients cope more steadily with difficult manifestations.

“The primary goal is to provide supportive relief when symptoms interfere with routine activities, contributing to improved comfort during symptomatic periods.”

Quick Fact Block

Quick Fact: Symptom Categories Use Context
Support for Irritation Symptoms Applied during periods of heightened pollen exposure.
Assistance for Congestion Symptoms Relevant when congestion creates noticeable functional strain.
Assistance for Recurrent Manifestations Commonly used for symptoms related to persistent indoor allergens.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Patanase

Official regulatory documents define the population eligibility for Patanase Nasal Spray (olopatadine hydrochloride) based primarily on age and pre-existing nasal conditions.

Approved Age Groups

Use is approved for adults and adolescents 12 years of age and older. The eligibility extends to pediatric patients 6 to 11 years of age. Safety and efficacy have not been established for children younger than 6 years of age, and use is not recommended for this group.

Contraindications and Restrictions

The formal FDA prescribing information lists no absolute contraindications in its dedicated section. However, use is restricted or conditional in specific populations:

  • Nasal Status: Use should be avoided in patients with nasal disease other than allergic rhinitis. If nasal ulceration or a septal perforation occurs, use should be discontinued.
  • Organ Function: No specific dose adjustment is documented as necessary for patients with renal or hepatic impairment.

Pregnancy and Lactation Status

Use in pregnant women and nursing mothers is conditional: the medicine should be used only if the potential benefit outweighs the potential risk to the fetus or infant, as excretion into human milk is unknown.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Patanase (olopatadine nasal spray) focuses primarily on pharmacodynamic interactions with products that affect the central nervous system (CNS).

Documented Pharmacodynamic Interactions

Co-administration with alcohol and other Central Nervous System (CNS) depressants is documented as having an additive effect. The regulatory labeling identifies CNS depressants such as sedatives, hypnotics, tranquilizers, other antihistamines, and opioid pain relievers as substances that may cause an additive reduction in alertness.

This documented additive effect may lead to additional impairment of central nervous system performance. Consequently, the regulatory documentation explicitly states that concurrent use with alcohol or any of these CNS depressants should be avoided.

Pharmacokinetic and Metabolic Profile

Formal drug-drug interaction studies were not conducted for the Patanase nasal spray dosage form. The regulatory profile indicates that pharmacokinetic interactions involving liver enzymes, such as the CYP system, are not anticipated.

This is based on the active ingredient, olopatadine, having low systemic exposure following nasal administration and being eliminated predominantly by renal excretion. No absolute contraindications based solely on drug-drug interaction are listed in the official prescribing information, nor are any mandatory timing-based separation rules or population-specific cautions regarding interaction severity documented in the labeling.

Mechanism of Action

How Patanase Works

Patanase (olopatadine hydrochloride) exerts its effect through a dual pharmacodynamic mechanism, combining receptor-level antagonism with the regulation of cellular mediator release.


H1-Receptor Antagonism

The primary action involves olopatadine's high affinity for the histamine H1 receptor. The drug functions as a competitive antagonist, binding to the H1 receptors expressed on target effector cells. This interaction prevents endogenous histamine from activating the receptor. The resulting inhibition of H1-receptor signaling directly suppresses the activation sequences that would typically follow histamine binding.


Regulation of Mediator Release

Olopatadine also influences cellular processes within mast cells. It engages mechanisms that result in the inhibition of pro-inflammatory mediator secretion from these cells. This action modifies early molecular steps within the targeted cell population, leading to a decrease in the release of various mediators, including histamine and specific leukotrienes. This combined mechanism results in the modulation of cellular activity within the targeted physiological pathways.

Dosage and Administration Information

Patanase is administered as a metered-dose nasal spray based on established parameters for route, dose, and frequency. The medication is for intranasal use only and should not be sprayed into the eyes.

Standard Dosing and Frequency

Administration is structured around a twice-daily (bid) frequency for all approved age groups, maintaining a consistent application schedule.

Age Group Dosage Regimen
Adults and Adolescents (12 Years and older) Two sprays per nostril, twice daily
Pediatric Patients (6 to 11 Years) One spray per nostril, twice daily

Safety and efficacy have not been established for children under 6 years of age.

Administration and Procedural Requirements

Before the first use, the nasal spray device requires a priming procedure to ensure accurate dose delivery, which involves releasing five sprays until a fine mist appears. If the product is not used for more than seven days, it must be re-primed with two sprays.

Proper use is also defined by the device's functional limits. Each bottle contains a finite number of doses and must be discarded after 240 sprays have been used, even if residual liquid remains. This restriction ensures the reliability of the metered dose. If a dose is missed, it should be taken as soon as remembered, but a double dose must be avoided if the next scheduled time is near.

Recent Clinical Evidence

Research evidence / Overview of Studies for Patanase

Evidence for Use in Seasonal Allergic Rhinitis (SAR)

Research exploring how symptoms change over time in Seasonal Allergic Rhinitis (SAR) was primarily conducted using short-term, randomized controlled trials (RCTs). In these studies, olopatadine nasal spray was evaluated against a vehicle (inactive) nasal spray used as a comparator. The research examined outcomes related to physical discomfort by measuring changes in the Total Nasal Symptom Score (TNSS), which captures phases of heightened symptom activity, including sneezing, nasal itching, runny nose, and nasal congestion. Studies also monitored patient-reported outcomes describing discomfort, such as associated ocular symptoms like itchy and watery eyes.

Research highlights changes measured during the short study period, typically two weeks. The evidence quality is characterized by the use of multiple, well-designed RCTs, but the results apply only to the specific populations studied. Comparative evidence exploring direct comparisons to a wide array of other intranasal and oral allergy treatments is limited.


Studies Involving Perennial Allergic Rhinitis (PAR)

Long-term, controlled clinical trials were conducted to examine use in patients with Perennial Allergic Rhinitis (PAR) for up to twelve months. These studies were designed to assess the compound’s profile over extended use, not to measure long-term effectiveness. Findings describe patterns observed in these extended-duration studies, primarily related to local tolerability.

Research has not focused on establishing long-term effectiveness in this chronic condition. The data available does not establish the maintenance of symptomatic change over a full year in the context of Perennial Allergic Rhinitis.


Research in Children and Adolescents

Specific research was evaluated for use in children and adolescents in the 6 to 11-year age group. These trials employed similar placebo-controlled designs and measured patient-reported outcomes describing perceived discomfort related to seasonal allergies. Findings describe patterns observed in these studies that were consistent with the short-term symptom patterns reported in adult populations.

While studies were conducted for the approved pediatric age ranges, limited information is available for long-term outcomes in these groups. Furthermore, the existing research base does not include sufficient efficacy evidence for children under age six, although some studies have examined exposure in the two to five-year age group for monitoring purposes.


What the Research Does Not Fully Address

Research is available from multiple sources for short-term symptom patterns of SAR, yet several limitations remain. Follow-up durations were limited in the primary efficacy studies, meaning long-term effects are not fully established. Data for certain sensitive groups, such as very young children (under age six), remain insufficient for establishing effectiveness. Finally, the evidence quality varies across the studied conditions, particularly concerning the limited efficacy information available for the chronic management of Perennial Allergic Rhinitis.

Frequently Asked Questions (FAQ)

Common questions about Patanase (FAQ)


Q: Is Patanase a steroid nasal spray or something else?

A: Patanase is classified as a selective H1-receptor antagonist, which means it is an antihistamine that works locally in the nose. According to official product information, it also has mast-cell stabilizing activity. It is not a corticosteroid (steroid) nasal spray.

Q: Is Patanase safe to use during pregnancy?

A: Official regulatory documents state that use of Patanase in pregnant women should be considered only if the potential benefit justifies the potential risk to the fetus. This is because information from available studies in pregnant patients is considered limited.

Q: Can Patanase be used when breastfeeding?

A: It is unknown whether the medication is excreted into human milk. Official labeling indicates that Patanase should be used by nursing mothers only if the potential benefit to the mother outweighs any potential risk to the infant.

Q: Does Patanase help with eye symptoms (like itchy or watery eyes) or just nasal symptoms?

A: Studies and official information indicate that Patanase is intended to relieve both nasal symptoms and associated ocular symptoms of seasonal allergic rhinitis. These associated symptoms typically include itchy and watery eyes.

Q: Is Patanase available over the counter, or is it prescription only?

A: Patanase (olopatadine nasal spray) is a prescription-only medication (Rx) according to official labeling. It is not available for over-the-counter purchase.

Q: How quickly can someone expect Patanase to start working?

A: The onset of action is described as rapid, according to clinical pharmacology data. Symptom relief is typically observed within 30 minutes after the dose in patients being treated for seasonal allergic rhinitis.

Q: Does Patanase cause drowsiness or feel like a strong sedating antihistamine?

A: The medication may cause somnolence, which is the medical term for drowsiness, or impaired mental alertness in some users. Regulatory warnings indicate that caution should be exercised with activities requiring complete mental focus, such as operating heavy machinery.

Q: Does Patanase cause weight gain?

A: According to official adverse reaction reports from clinical trials, weight gain has been listed as a possible adverse reaction, though it was reported with an incidence of less than 1% of the study population.

Q: Can people with glaucoma safely use Patanase?

A: Official labeling advises that caution should be used when Patanase is prescribed to patients with a history of glaucoma or increased intraocular pressure. The warning is based on the potential for the medication to worsen these pre-existing conditions.

Q: Does Patanase affect sense of smell?

A: Post-marketing adverse reactions, which occur infrequently (less than 1%), have included reports of altered sense of smell (dysosmia) and anosmia (complete loss of smell).

Q: Why might a doctor prescribe Patanase instead of a different allergy medication?

A: Patanase’s active ingredient, olopatadine, has a dual mechanism of action. It works by acting as a selective H1-receptor antagonist (blocking histamine) and by inhibiting the release of pro-inflammatory mediators from mast cells. This combined effect is the basis for its therapeutic use.

Q: Does Patanase have a local effect in the nose, or does it work throughout the body?

A: While the intended therapeutic effect is localized to the nasal passages, the active ingredient is systemically absorbed after nasal administration. The medication is then mostly eliminated from the body via renal excretion (in the urine).

Q: Can Patanase cause an upper respiratory tract infection (URTI)?

A: Upper respiratory tract infection (URTI) is listed in the official documents as a common adverse reaction. This reaction was reported specifically in pediatric patients aged 6 to 11 years during clinical trials.

Q: Does Patanase contain any preservatives?

A: The formulation of the Patanase nasal spray contains excipients (inactive ingredients) in addition to the active drug. These ingredients include the preservatives benzalkonium chloride and edetate disodium.

Q: Is Patanase covered by most insurance plans, and is there a generic version available?

A: Based on regulatory approval records, a generic version of the olopatadine 0.6% nasal spray is available. Insurance coverage varies by plan and location and is not addressed in the official product labeling.

How should Patanase be stored and disposed of?

Storage and Disposal Requirements for PATANASE Nasal Spray

PATANASE Nasal Spray must be stored in the original container and kept tightly closed and out of the sight and reach of children.

Storage Conditions

Store the medication at controlled room temperature, which is between 39°F and 77°F (4°C and 25°C). The product must be protected from freezing, heat, moisture, and direct light.

Disposal Instructions

The device must be discarded after 240 sprays (30 days of dosing) have been used, even if liquid remains, as accurate dosing cannot be assured afterward. For disposal of unused or expired product, the FDA advises using a drug take-back program or, if unavailable, mixing the medicine with an undesirable substance (such as used coffee grounds) and placing it in a sealed container for household trash. All personal information on the label should be removed before discarding the packaging.

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

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