Advil Nighttime

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Advil Nighttime

Method of action: Cough And Cold Preparations

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 Advil Nighttime

Property Description
Active Ingredient Ibuprofen, Diphenhydramine
Form Caplets, Liquid gels
Pharmacological Class Analgesic Combination (NSAID + H1-Antihistamine)
Common Use Sleeplessness associated with minor aches and pains
Origin Synthetic

Advil Nighttime is a synthetic oral combination product classified as an Analgesic Combination, specifically designed to address occasional sleeplessness when that condition is associated with minor physical discomfort. As an over-the-counter (OTC) medication, its distinction lies in the merging of two separate therapeutic functions into a single dosage form, thereby offering relief from both pain and pain-related wakefulness. The formulation is strictly intended for nocturnal use, as indicated by its sedative properties, a feature that distinguishes it from standard non-sedating Ibuprofen products.

What Type of Medicine is Advil Nighttime?

The medication is composed of two distinct active ingredients: Ibuprofen and Diphenhydramine. Ibuprofen is classified as a Non-steroidal anti-inflammatory drug (NSAID), a class of compounds widely clinically recognized for their role in targeting the body’s inflammatory response. Diphenhydramine is a First-generation H1-Antihistamine, a compound noted for its central nervous system effects that promote sleep. This component works by inducing a state of drowsiness that aids in rest. The product is available for oral administration in various solid forms, including Caplets and the proprietary Liquid gels (Liqui-Gels).

Purpose: Targeting Pain-Associated Sleeplessness

The general therapeutic objective of Advil Nighttime is to overcome the patient's difficulty in achieving rest by simultaneously targeting two physiological factors. The NSAID component works to provide pain-signal reduction by diminishing the discomfort. Concurrently, the antihistamine component promotes the necessary drowsiness. This dual action strategy is focused on resolving the specific issue of pain being the direct obstacle to sleep, establishing its role as a dedicated nighttime solution, often sought in scenarios involving musculoskeletal discomfort that disrupts the sleep cycle.

Regulatory References

  1. Advil PM (Ibuprofen/Diphenhydramine) Label on DailyMed
  2. Diphenhydramine Information (NIH/MedlinePlus)

What side effects are possible with Advil Nighttime?

Possible Side Effects and Safety Information

The safety profile of Advil Nighttime, which contains Ibuprofen (an NSAID) and Diphenhydramine (an antihistamine), is defined by officially documented risks associated with both components. The combination results in a safety scope covering both systemic organ risks and central nervous system effects.

Common and Expected Adverse Reactions

The most frequent safety considerations are tied to the antihistamine component. Drowsiness, sedation, dry mouth, and dizziness are commonly reported effects, which is why the medicine is restricted to nocturnal use. Gastrointestinal disturbances, such as stomach upset and heartburn, are also listed as common safety concerns linked to Ibuprofen.


Serious Adverse Reactions and Systemic Risk

Official regulatory warnings emphasize the potential for serious, life-threatening events primarily associated with the Ibuprofen component. These include a documented risk of severe gastrointestinal bleeding, ulceration, and perforation that can occur at any time during treatment. Furthermore, the label includes warnings regarding an increased risk of serious cardiovascular thrombotic events, specifically heart attack (myocardial infarction) and stroke.

Duration and Population-Specific Safety

Regulatory documents specify that the risk of major adverse events, including those affecting the heart and stomach, increases with longer duration of use and higher doses. The product is not intended for continuous use for more than two weeks for sleeplessness. Older adults (age 60 and over) are officially documented to have a higher chance of experiencing serious side effects, particularly severe gastrointestinal bleeding. Use is also restricted for specific populations, including avoidance during the third trimester of pregnancy and for children under 12 years of age.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documents define the overdose profile of the Ibuprofen/Diphenhydramine combination product by detailing specific toxicological manifestations and mandated emergency actions.

Documented Overdose Manifestations

Overdose may involve signs related to both active ingredients. CNS effects are documented, including extreme drowsiness, agitation, confusion, tremor, seizures, and coma. Gastrointestinal symptoms documented are nausea, vomiting, diarrhea, and abdominal pain. Other potential manifestations include tachycardia and anticholinergic signs like mydriasis (enlarged pupils).

Severe Outcomes and Emergency Action

Severe overdose can lead to life-threatening outcomes, with regulatory sources documenting fatal cardiac arrhythmias, acute renal failure, and significant GI hemorrhage. The official mandate is to get medical help or contact a Poison Control Center right away in case of any suspected overdose. Immediate emergency services (e.g., 911) must be called if the individual experiences severe complications such as seizure, collapse, or trouble breathing, as treatment is primarily symptomatic and supportive care due to the lack of a known specific antidote.

Special Considerations

Regulatory information notes that older adults have an increased risk of severe stomach bleeding from the ibuprofen component. Children may exhibit paradoxical CNS effects such as excitation and seizures, rather than typical sedation.

Therapeutic Uses of Advil Nighttime

What Advil Nighttime Treats: Main Uses and Benefits

The primary therapeutic utility of this medication is applied in addressing a specific pattern of discomfort: symptoms related to physical discomfort combined with occasional sleeplessness. It is used for managing the acute interference of physical discomfort with the body's natural sleep cycle. Its core function is commonly used to help with this specific dual-symptom presentation, which is relevant in contexts involving heightened systemic burden.


The medicine is applied in addressing the functional difficulty of falling asleep or staying asleep when wakefulness is maintained by minor somatic pain. It commonly helps manage the cluster of headache, backache, muscle aches, or menstrual pain. Advil Nighttime is applied across domains where additional symptomatic support is needed for mild to moderate inflammatory and physical discomfort, and is considered relevant for episodic, short-term pain manifestations that interfere with daily functioning.

“The key benefit is the simultaneous easing symptoms related to physical discomfort and the support of drowsiness.”

This approach contributes to easing the overall symptom load during periods of heightened symptoms, and may help maintain a sense of functional stability during the night.


Quick Fact: Therapeutic Focus: Pain-Associated Sleeplessness

Regulatory References

  1. Label: ADVIL PM- diphenhydramine hcl, ibuprofen capsule, liquid filled - DailyMed

Eligibility and Restrictions for Use

Who Can and Cannot Use Advil Nighttime?

The eligibility for Advil Nighttime is strictly governed by regulatory documentation, based primarily on the population's age and pre-existing medical conditions. The medicine is approved for use by adults and children 12 years of age and older.

Use is strictly contraindicated (prohibited) for several populations:

  • Children under 12 years of age (safety is not established).
  • Individuals with a known allergic reaction history to aspirin or any other NSAID.
  • Women who are 20 weeks pregnant or later.
  • Patients right before or after heart surgery (CABG).
  • Patients currently using any other product containing diphenhydramine.

Conditional Use Status is mandatory for many groups, who are directed to consult a health professional prior to use. This includes adults age 60 or older and patients with pre-existing comorbidities such as heart disease, high blood pressure, liver or kidney disease. Restrictions also apply to patients with glaucoma or trouble urinating due to an enlarged prostate gland, and those with asthma or other breathing problems. These conditional rules define use limitations across various physiological systems.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Advil Nighttime is structured around preventing additive adverse effects from its two active components, Ibuprofen (NSAID) and Diphenhydramine (Antihistamine).

Contraindicated Combinations and Restrictions

The medicine is strictly contraindicated with any other product containing Ibuprofen or other Nonsteroidal Anti-inflammatory Drugs (NSAIDs) due to the risk of cumulative exposure and serious gastrointestinal side effects. Co-administration is also prohibited with Monoamine Oxidase Inhibitors (MAOIs), including use within 14 days of stopping an MAOI, because of the risk of severe central nervous system (CNS) effects. Any other medicine containing Diphenhydramine must also be avoided.

Clinically Significant Interaction Patterns

Concurrent use with Alcohol (Ethanol) is documented as a drug–substance interaction that increases the risk of severe stomach bleeding and additive CNS depression. The Ibuprofen component causes a pharmacodynamic interaction that increases the risk of bleeding when co-administered with Anticoagulants (such as Warfarin). Ibuprofen can also interfere with the renal clearance of substances like Lithium and Methotrexate, leading to increased plasma concentrations and potential accumulation. Co-administration with other CNS Depressants (including sedatives or tranquilizers) results in the pharmacodynamic reinforcement of sedation.

Mechanism of Action

Ibuprofen: Mechanism of COX Inhibition

Ibuprofen competitively inhibits the Cyclooxygenase ( COX) enzyme isoforms, COX-1 and COX-2. This interaction with the active site of the enzymes prevents the conversion of Arachidonic acid into various Eicosanoids, including Prostaglandins. The resulting reduction in Prostaglandin synthesis is the direct mechanistic consequence of COX enzyme inhibition.


Diphenhydramine: H1 Receptor Inverse Agonism

Diphenhydramine functions as an inverse agonist at the Histamine H1 receptor. Binding to the H1 receptor reduces Histaminergic neurotransmission within the central nervous system. The decrease in Histaminergic activity modulates neuronal excitability, particularly within arousal-promoting pathways.

Dosage and Administration Information

Administration Scope

The official use of Advil Nighttime is strictly by the oral route, involving swallowing the caplets or liquid-filled capsules whole. The product is available in two forms: a caplet containing Ibuprofen 200 mg and Diphenhydramine Citrate 38 mg, and a liquid-filled capsule containing Ibuprofen 200 mg and Diphenhydramine HCl 25 mg.

Instruction Detail Parameter
Standard Single Dose 2 units (caplets or liquid-filled capsules)
Maximum Daily Dose 2 units (no more than once in 24 hours)
Timing Must be taken at bedtime when a full night's sleep is anticipated
Meal Relationship May be taken with food or milk if needed
Age Restriction Use is limited to individuals 12 years of age and over

Procedural Constraints and Duration

The dosing schedule is defined as a once-daily, as-needed pattern, taken exclusively at the end of the day. This usage pattern is subject to defined maximum durations: administration for pain relief should not exceed 10 days, and use for continuous sleeplessness must not exceed 2 weeks. These instructions establish a precise, short-term administration protocol, ensuring the total dose (Ibuprofen 400 mg / Diphenhydramine 50 mg equivalent) is administered at the appropriate time and frequency as stipulated by regulatory labeling.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Advil Nighttime

Evidence for Use in Acute Nighttime Pain and Associated Sleeplessness

The research primarily focused on conditions characterized by acute physical discomfort that may be associated with sleeplessness. This section will summarize the structure of the clinical research, focusing on short-term, randomized studies that evaluated both pain-related outcomes and sleep-related outcomes in adults and adolescents experiencing pain-related wakefulness.

Studies conducted during periods of increased symptom activity, such as post-operative dental pain, were used as models to explore short-term symptom changes. The research examined outcomes related to physical discomfort and simultaneously monitored sleep parameters. Findings described patterns observed in these studies, contributing to the research base examining outcomes related to minor, disruptive symptoms.

Research Designs and Measured Study Outcomes

The majority of the evidence is derived from Randomized, Placebo-Controlled, Single-Dose Clinical Studies. These studies were applied in research contexts involving fluctuating or unstable symptoms where the goal was to observe responses over defined time intervals. Researchers monitored outcomes related to systemic or functional imbalance, such as the time it took to fall asleep (Sleep Onset Latency) and the total duration of sleep (Total Sleep Time). They also measured patient-reported outcomes describing perceived discomfort and the time elapsed before rescue medication was taken.

Study Duration and Follow-up Assessments

Research for this product was primarily designed to examine a single, acute episode of pain and sleeplessness. Consequently, the follow-up durations were limited, with most efficacy data being derived from single-dose, one-night assessments. The evidence provides insight into symptom patterns over a very short-term period, and questions regarding the durability of response and the effects of extended use remain uncertain based on these specific trials.

Evidence in Special Populations

Advil Nighttime was evaluated in populations of Adults and Adolescents (ge 12 years of age). The results apply only to the populations studied under the specific conditions of the trials. Data showed patterns observed in different age groups. Regulatory guidance has noted that for older adults (ge 65 years of age), differences in safety or effectiveness may appear, indicating that evidence for this specific group remains insufficient.

Key Studies & References

  1. ADVIL PM- diphenhydramine hcl, ibuprofen capsule, liquid filled - DailyMed
  2. Diphenhydramine Information

Frequently Asked Questions (FAQ)

Common questions about Advil Nighttime (FAQ)


Q: What is the main difference between Advil Nighttime and regular Advil?

The main difference is the active ingredients. While both products contain Ibuprofen for pain relief, Advil Nighttime also includes Diphenhydramine, which is a sleep-aid component. This combination is intended to treat minor aches and pains that may be interfering with sleep.


Q: Is it common for people to use Advil Nighttime for sleeplessness without pain?

According to the official product information, it is advised not to use this product solely for sleeplessness that is not accompanied by pain. The drug's indicated use is specifically for occasional sleeplessness associated with minor aches and pains.


Q: How long can the effects of Advil Nighttime be expected to last?

Regulatory directions advise taking the product only when you have sufficient time for a full night's sleep. This instruction indicates that the effects are intended to last for the duration of a full night's sleep.


Q: Are there any specific foods or drinks that should be avoided when taking Advil Nighttime?

Yes, regulatory documents explicitly state that you must avoid alcoholic drinks while using this product. Alcohol may increase the potential for drowsiness caused by the Diphenhydramine component, and may increase the risk of stomach bleeding associated with Ibuprofen.


Q: What are the general population restrictions for using Advil Nighttime?

The official label specifies that a doctor's advice is required for individuals with certain pre-existing conditions before using this product. These conditions often include high blood pressure, heart disease, asthma, glaucoma, and problems with the liver or kidneys.


Q: Can Advil Nighttime affect a user's ability to operate machinery or drive?

Yes, the official labeling warns that drowsiness will occur due to the sleep-aid component. The official labeling carries a strong warning against operating a motor vehicle or machinery after consumption.


Q: What if I accidentally take Advil Nighttime during the day instead of at night?

The product is designed to be taken at bedtime because drowsiness will occur. Taking it during the day may lead to the occurrence of drowsiness, which is the reason official warnings prohibit driving or operating machinery.


Q: Is the diphenhydramine amount in Advil Nighttime the same as in standalone sleep aids?

The total adult dose of Advil Nighttime contains 50 milligrams (mg) of Diphenhydramine, or its equivalent. This amount is the standard strength found in many single-ingredient, over-the-counter sleep aids.


Q: What is the general advice regarding taking Advil Nighttime with other ibuprofen products?

Regulatory information advises against combining Advil Nighttime with other drugs containing NSAIDs, such as aspirin, naproxen, or other ibuprofen products. Combining them may increase the risk of severe stomach bleeding.


Q: Why is it important to check the active ingredients of all medications taken with Advil Nighttime?

Checking ingredients helps prevent accidental overdose or harmful interactions, as the product should not be combined with other medications containing the same ingredients. This includes any other product containing Diphenhydramine or NSAIDs.


Q: Is there an established period of time a person should dedicate to sleep after taking Advil Nighttime?

Regulatory documents advise that you should not use this product unless you have time for a full night's sleep ahead of you. This instruction is provided to help ensure the effects of the medication have passed before normal activities are resumed.


Q: Can Advil Nighttime be a suitable choice for minor aches and pains that interfere with sleep?

Yes, official product information states that the drug is indicated for the relief of occasional sleeplessness when associated with minor aches and pains.


Q: Is it possible for Advil Nighttime to cause temporary dizziness or lack of coordination?

Regulatory labeling confirms that drowsiness will occur. The official warnings advise against driving or operating machinery because the drug will cause drowsiness.


Q: Does Advil Nighttime interact with common cold or allergy medications?

Official warnings specify that a doctor or pharmacist should be consulted before use if an individual is taking any other antihistamines or sleep aids. Many common cold and allergy products contain Diphenhydramine or similar ingredients, which is the reason for caution regarding combined use.


Q: Is Advil Nighttime considered safe for older adults, generally speaking?

Official warnings indicate that the risk of experiencing certain severe side effects, specifically stomach bleeding, is higher for individuals aged 60 or older. Official guidance states that these individuals should consult a health professional before use.


Q: What kind of pain relief is Advil Nighttime typically used for?

The regulatory indication for the product is for use with minor aches and pains. It is intended to help relieve these pains when they interfere with sleep.


Q: Is it common for people to report dry mouth after using Advil Nighttime?

Common side effects often reported for the ingredients in this product include dry mouth and constipation. Official information indicates that the ingredient Diphenhydramine can cause side effects related to its action.


Q: Are there known concerns about Advil Nighttime use during pregnancy or while nursing?

Regulatory guidance specifies that a health professional should be consulted before use if an individual is pregnant or breast-feeding. It is explicitly important to not use ibuprofen at 20 weeks or later in pregnancy unless specifically directed by a doctor.


Q: Is the sleep aid component in Advil Nighttime habit-forming?

The product is labeled for short-term use, with sleeplessness use limited to a maximum of two weeks. The label also states that persistent insomnia may be a symptom of a serious underlying medical illness.


Q: How does Advil Nighttime compare to Tylenol PM in terms of its active ingredients?

Advil Nighttime contains Ibuprofen (an NSAID) combined with Diphenhydramine (a sleep aid). In comparison, Tylenol PM contains Acetaminophen (a different type of pain reliever) combined with the same sleep-aid ingredient, Diphenhydramine.


Q: Can people with high blood pressure generally take Advil Nighttime?

Official labeling states that individuals who have high blood pressure should ask a doctor before using this product. The NSAID component may pose risks for certain cardiovascular conditions.


Q: Can Advil Nighttime interfere with other medications I take daily for chronic conditions?

Official warnings specify that a doctor or pharmacist should be consulted before use if an individual is under care for any continuing medical illness or taking any other drug. This is advised to check for potential interactions.


Q: Does Advil Nighttime have different side effects compared to a non-nighttime ibuprofen product?

Yes, due to the inclusion of Diphenhydramine, Advil Nighttime carries additional warnings compared to standard ibuprofen. The regulatory label explicitly states that drowsiness will occur and advises against activities like operating machinery.


Q: Are there specific medical conditions where Advil Nighttime use is generally discouraged?

The regulatory label identifies several conditions where consulting with a doctor before use is specified. These include a history of stomach problems, heart disease, kidney or liver disease, asthma, and glaucoma.


Q: Can Advil Nighttime make existing breathing issues, like asthma, feel worse?

Official warnings specify that a doctor should be consulted before use if an individual has a breathing problem such as asthma, emphysema, or chronic bronchitis.


Q: Is it possible to become tolerant to the sleep effects of Advil Nighttime over time?

Official labeling limits administration for sleeplessness to a maximum of two weeks. This suggests that the product is intended for short-term, occasional use only.


Q: Are reported side effects usually mild, or can they be serious?

While common effects like drowsiness and stomach upset can occur, regulatory labels also carry serious warnings regarding the risk of heart attack, stroke, and severe stomach bleeding, which can be fatal. All official warnings should be reviewed before use.


Q: Is Advil Nighttime available over the counter, or does it require a prescription?

The product is officially regulated as a Human Over-the-Counter (OTC) Drug.


Q: Can I take Advil Nighttime if I have pre-existing kidney or liver conditions?

Official warnings advise that a doctor should be consulted before use if an individual has pre-existing conditions such as liver cirrhosis or kidney disease. These organs are involved in processing the active ingredients.


Q: What is a typical patient expectation for the quality of sleep after using Advil Nighttime?

The product is labeled for its ability to help you fall asleep and stay asleep when associated with minor aches and pains. The sleep aid is intended to help address the occasional sleeplessness.


Q: Are there official warnings about combining Advil Nighttime with alcohol?

Yes, official labeling explicitly warns that you must avoid alcoholic drinks while using the product. This combination may increase the risk of side effects, including severe stomach bleeding.


Q: Is there a list of common, minor side effects associated with Advil Nighttime?

Official guidance notes that drowsiness will occur due to the sleep-aid ingredient. It also advises taking the drug with food or milk if stomach upset occurs.


Q: Can Advil Nighttime contribute to or cause heartburn or stomach upset?

Official warnings state that a doctor should be consulted before use if an individual has a history of stomach problems like heartburn. The product can be taken with food or milk if stomach upset occurs.

How should Advil Nighttime be stored and disposed of?

How to Store and Dispose of Advil Nighttime?

The official storage requirements for Advil Nighttime (Ibuprofen and Diphenhydramine Citrate) are strictly defined by regulatory documents to maintain product integrity.

Storage Requirements

Condition Requirement
Temperature Store at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F).
Protection Protect from excessive heat and moisture.
Container Keep in the original container with the cap tightly closed.
Child Safety Store out of the reach and sight of children.

Disposal Instructions

Expired or unused Advil Nighttime must not be flushed down the toilet or poured into a drain. Regulators recommend utilizing a local drug take-back program for disposal. If a take-back program is unavailable, the product should be mixed with an undesirable substance, placed in a sealed plastic bag, and then discarded in the household trash.

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

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