Can Benadryl Calm a Panic Attack? Facts to Know
Short answer
Benadryl (diphenhydramine) is an antihistamine primarily used for allergies and sleep aid, but it is not recommended to calm a panic attack. While it may cause drowsiness, Benadryl does not address the underlying anxiety or panic symptoms and may cause side effects that worsen distress. Safer, evidence-based approaches are preferable.
What is Benadryl, and what does it do?
Benadryl is a brand name for diphenhydramine, an over-the-counter medication mainly used to relieve allergy symptoms such as itching, runny nose, or hives. It is also commonly used as a short-term sleep aid because it often causes drowsiness. Benadryl belongs to a class of drugs called first-generation antihistamines, which block histamine receptors involved in allergic reactions. Importantly, Benadryl is not designed as a treatment for anxiety or panic attacks. Although it may make some people feel relaxed or sleepy, this effect is a side effect rather than a targeted calming action on the nervous system.
How does Benadryl work in the body?
Benadryl works by blocking histamine receptors (H1 receptors) in the brain and body. Histamine is a chemical involved in allergic reactions and also plays a role in wakefulness. When Benadryl blocks these receptors, it reduces allergy symptoms and causes drowsiness. For example, if someone takes Benadryl at night, the medication’s sedating effect may help them fall asleep. However, Benadryl does not interact with neurotransmitters related to anxiety, such as serotonin or GABA, which are the targets of many anti-anxiety medications. This distinction means that while Benadryl may cause general sedation, it does not reduce the specific symptoms of a panic attack, such as rapid heartbeat, hyperventilation, or intense fear.
Why might people think Benadryl calms a panic attack?
Because Benadryl can cause sedation and make a person feel sleepy or relaxed, some may mistakenly believe it can calm a panic attack. Panic attacks involve sudden and intense fear or discomfort, often accompanied by physical symptoms like heart palpitations and shortness of breath. People sometimes look for quick ways to "calm down" and might try medications they have on hand. However, sedation from Benadryl is not the same as treating the panic response. Sedation might make someone feel more tired but will not address the breathing difficulties or racing thoughts that come with panic attacks. In fact, some people may experience increased confusion or dizziness after taking Benadryl, which can add to panic.
What are safer and recommended ways to calm a panic attack?
Effective calming strategies for panic attacks focus on breathing, grounding, and cognitive techniques rather than sedating medications like Benadryl. For example, practicing slow, deep breathing can reduce hyperventilation and lower heart rate. Grounding techniques, such as focusing on the senses (noticing five things you see, four things you feel, etc.), can bring attention away from overwhelming thoughts. If medication is needed, doctors often prescribe specific anti-anxiety medications such as benzodiazepines for short-term relief or selective serotonin reuptake inhibitors (SSRIs) for longer-term management. These medications target the brain systems involved in anxiety and panic more directly. Importantly, consulting a healthcare provider before using any medication for panic attacks is crucial.
What could happen if someone uses Benadryl to try to stop a panic attack?
Using Benadryl for panic attacks might not only be ineffective but could also complicate the situation. Side effects of Benadryl can include dizziness, confusion, dry mouth, and blurred vision. These symptoms may mimic or worsen panic symptoms, increasing distress. Additionally, the sedative effect can impair coordination and alertness, which might be dangerous in some situations, such as driving. Overuse of antihistamines can also lead to tolerance or dependence, and in rare cases, serious side effects. Because Benadryl is not approved or studied for panic disorder treatment, relying on it instead of evidence-based interventions might delay getting proper care.
How can someone distinguish between Benadryl and anti-anxiety medications?
Benadryl is often confused with medications prescribed for anxiety because both can cause a calming feeling. However, they belong to different drug classes and work differently. Benadryl is an antihistamine primarily for allergies and sleep, while anti-anxiety drugs include:
| Medication Type | Examples | Purpose |
|---|---|---|
| Benzodiazepines | Alprazolam, lorazepam | Rapid relief of anxiety and panic |
| SSRIs (Selective Serotonin Reuptake Inhibitors) | Sertraline, fluoxetine | Long-term anxiety management |
| Antihistamines (Benadryl) | Diphenhydramine | Allergy relief, sleep aid, not anxiety |
If unsure about what medication to use for anxiety or panic attacks, ask a healthcare provider. Never substitute allergy medications for prescribed anxiety treatments.
What should someone do if they experience a panic attack?
If you experience a panic attack, try to focus on calming techniques such as:
- Deep breathing: Slowly inhale through your nose for 4 counts, hold for 4, then exhale through your mouth for 6 counts.
- Grounding: Identify five things you see, four things you feel, three things you hear, two things you smell, and one thing you taste.
- Reassure yourself: Remind yourself that the panic attack is temporary and not life-threatening.
- Seek support: Talk to a trusted friend, family member, or mental health professional.
- Medical help: If panic attacks are frequent, severe, or interfere with life, consult a healthcare provider for evaluation and treatment.
If you or someone else is overwhelmed by panic or anxiety and also has thoughts of harming themselves, contact the 988 Suicide & Crisis Lifeline immediately.
Why does this matter to you?
Understanding that Benadryl is not a treatment for panic attacks helps you avoid ineffective or potentially harmful self-medicating choices. Panic attacks can be frightening, but using the right tools and seeking professional help can make a significant difference. This knowledge empowers you to respond safely and effectively during moments of intense anxiety and to support others who may be struggling.
For more on calming panic attacks, see What Can I Take to Calm a Panic Attack? and How to Calm Down from a Panic Attack.
Frequently asked questions
Can Benadryl make anxiety worse?
Yes, Benadryl can cause side effects like dizziness or confusion that might increase feelings of anxiety or discomfort, especially during a panic attack. It does not treat anxiety and may worsen symptoms for some individuals.
What medications are commonly prescribed for panic attacks?
Doctors often prescribe benzodiazepines for immediate relief of panic attacks and SSRIs for longer-term anxiety management. These medications target brain chemistry involved in anxiety and panic, unlike Benadryl.
Are there natural remedies to calm panic attacks?
Techniques such as deep breathing, mindfulness, progressive muscle relaxation, and grounding exercises can help reduce panic symptoms without medication. These methods focus on controlling physical responses and redirecting attention.
How quickly do panic attacks usually pass?
Panic attacks typically peak within 10 minutes and usually subside within 20 to 30 minutes. Using calming techniques during an attack can help shorten its duration.
What is the difference between a panic attack and an anxiety attack?
Panic attacks involve sudden, intense fear with physical symptoms like heart racing, while anxiety attacks are generally less intense and develop gradually, often linked to specific stressors.