
Hydroxyzine is an antihistamine with sedative effects that can be used to treat anxiety and insomnia. It is not recommended for long-term use due to the risk of reduced effectiveness and side effects such as drowsiness, dry mouth, and confusion. It may be unsafe for certain individuals, including older adults, pregnant or breastfeeding people, and those with certain health conditions. As a result, it is important to consult a healthcare professional before taking hydroxyzine, especially when considering its use in combination with other sleep aids or medications.
| Characteristics | Values |
|---|---|
| Purpose | Short-term treatment for anxiety and insomnia |
| Drug type | Antihistamine with anticholinergic and sedative properties |
| Dosage | 10-50 mg taken once daily before bed |
| Side effects | Dry mouth, headaches, hallucinations, drowsiness, blurred vision, heat intolerance, flushing, decreased sweating, abdominal cramping, constipation, irregular heartbeat, confusion, memory problems, dizziness, difficulty concentrating, impaired thinking and judgement |
| Interactions | Doxylamine (Unisom SleepTabs), melatonin, anti-anxiety medications, additional antihistamines, other sedative medications, opioids |
| Precautions | Not suitable for long-term use due to risk of tolerance and reduced effectiveness. Not recommended for pregnant or breastfeeding people, or those with liver, lung, or heart conditions. May cause fetal harm or increased risk of birth defects. |
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What You'll Learn
- Hydroxyzine is a sedating antihistamine that can be used short-term to treat insomnia
- It is not meant for long-term use as it may not work as well if taken daily
- Hydroxyzine can cause drowsiness, so it should not be taken with other sedatives or alcohol
- It is not safe for pregnant or breastfeeding people, or those trying to conceive
- Hydroxyzine is not habit-forming and has no risk of addiction

Hydroxyzine is a sedating antihistamine that can be used short-term to treat insomnia
Hydroxyzine is a sedating antihistamine that can be used to treat insomnia. It is not intended to be a long-term sleep solution and is typically prescribed as a short-term or occasional aid for insomnia or sleep-related problems. It can lower sleep onset times and increase total sleep time. It is available as a generic drug or under the brand name Vistaril.
The typical dosage of hydroxyzine for insomnia varies per person and depends on symptoms, medical history, age, and other health factors. A healthcare provider may prescribe 10-50 mg, taken once daily before bed. It is not a controlled substance and is not habit-forming or addictive. However, taking it long-term may decrease its effectiveness for sleep. It is important to consult a healthcare provider about the risks and benefits of any treatment, as there may be side effects or interactions with other medications.
Hydroxyzine is often compared to Benadryl as a sleep aid. Both are first-generation antihistamines, but hydroxyzine is prescription-only, while Benadryl is available over the counter. Hydroxyzine may be more effective for sleep and anxiety due to its longer duration, while Benadryl is often preferred for allergy relief. However, both can cause side effects such as daytime drowsiness, dizziness, and confusion, especially with prolonged use.
It is important to note that hydroxyzine may not be suitable for everyone. Older adults, pregnant or breastfeeding people, and those with certain health conditions may experience stronger side effects or interactions with other medications. It is always recommended to consult a healthcare provider before taking any medication, including hydroxyzine, to ensure it is safe and appropriate for your individual needs.
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It is not meant for long-term use as it may not work as well if taken daily
Hydroxyzine is a sedating antihistamine that can be used as a short-term solution for anxiety and insomnia. However, it is not intended for long-term use as a sleep aid. Taking hydroxyzine every night for an extended period may decrease its effectiveness.
The human body can build a tolerance to hydroxyzine over time, leading to reduced efficacy. This means that the medication may not work as well if taken daily for a prolonged period. Additionally, there is a risk of side effects such as daytime drowsiness, dizziness, dry mouth, blurred vision, and confusion, which can become more likely and prominent with long-term use.
Hydroxyzine is often compared to Benadryl as a sleep aid. While Benadryl is available over the counter and primarily treats allergy symptoms, hydroxyzine is prescription-only and is also used for anxiety and allergic reactions on the skin. Both medications are antihistamines with sedative effects, but hydroxyzine may be more effective for sleep due to its longer duration of action.
It is important to consult a healthcare provider before using hydroxyzine for sleep, especially if you are older, on other medications, or have health conditions. This is because hydroxyzine may interact with other substances and is not recommended for certain populations, such as older adults, pregnant or breastfeeding individuals, and those with specific medical conditions.
While hydroxyzine can be helpful for short-term sleep issues, it is not a long-term solution. If you are experiencing chronic insomnia or sleep difficulties, it is advisable to consult a healthcare professional to discuss alternative treatments or lifestyle changes that can improve your sleep quality over the long term.
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Hydroxyzine can cause drowsiness, so it should not be taken with other sedatives or alcohol
Hydroxyzine is a sedating antihistamine that can be used to treat anxiety and insomnia. It is not meant to be a long-term solution for sleep and is typically prescribed for short-term use. The medication can cause drowsiness as a side effect, especially in older adults. Due to this sedative effect, it should not be combined with other sleep aids or alcohol.
Hydroxyzine is known to interact with other medications, including Unisom SleepTabs (doxylamine). Taking these medications together can increase side effects such as drowsiness, blurred vision, dry mouth, heat intolerance, and confusion. The combination may also lead to irregular heartbeat and memory problems. As a result, activities requiring mental alertness, such as driving or operating machinery, should be avoided until you understand how the medication affects you.
Alcohol consumption should be avoided or limited while taking hydroxyzine. Alcohol can enhance the nervous system side effects of the medication, including dizziness, drowsiness, and difficulty concentrating. Some individuals may also experience impaired judgment and thinking. Therefore, it is crucial to refrain from activities requiring mental alertness when combining hydroxyzine with alcohol.
Additionally, hydroxyzine should not be taken with other sedative medications, anti-anxiety medications, or additional antihistamines. Combining these substances can lead to an excessive sedative effect, impacting your overall well-being and ability to perform daily tasks. It is important to consult your healthcare provider before taking hydroxyzine with any other medication or substance to ensure your safety and well-being.
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It is not safe for pregnant or breastfeeding people, or those trying to conceive
Hydroxyzine is not considered safe for pregnant or breastfeeding people, or those trying to conceive.
Pregnancy
Hydroxyzine is a sedating antihistamine that can be used to treat anxiety and insomnia, but it is not recommended for long-term use. There is limited data on the use of hydroxyzine in early pregnancy, and it is not assigned a pregnancy risk category by the US FDA. However, some authorities state that it is contraindicated during early pregnancy as it crosses the placental barrier, which may lead to higher fetal concentrations of the drug than in the mother. Animal studies have shown evidence of fetal abnormalities at doses higher than the typical human therapeutic range. If used during pregnancy or if the patient becomes pregnant while taking hydroxyzine, the patient should be made aware of the potential harm to the fetus. Reports of adverse effects in neonates exposed during late pregnancy and/or labor and delivery include central nervous system (CNS) depression, clonic movements, extrapyramidal symptoms, hypotension, movement disorders, neonatal hypoxic conditions, and/or urinary retention.
Breastfeeding
Hydroxyzine is excreted into human milk in its active metabolite form, cetirizine. While small, occasional doses of hydroxyzine are not expected to cause adverse effects in breastfed infants, larger doses or prolonged use may cause drowsiness and other effects in the infant or decrease the mother's milk supply. In one study, hydroxyzine was reported to cause adverse reactions in 8 out of 174 infants and was one of the drugs most often suspected in serious adverse reactions, primarily sedation.
Conception
There is limited information available on the effects of hydroxyzine on fertility or conception. However, as hydroxyzine is not recommended during pregnancy or breastfeeding, it is likely advisable to discontinue use when trying to conceive.
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Hydroxyzine is not habit-forming and has no risk of addiction
Hydroxyzine is a sedating antihistamine that can be used to treat anxiety and insomnia. It is not a controlled substance and is not habit-forming or addictive. While it is generally safe, it should not be used as a long-term solution for sleep and may not work as well if taken daily.
Hydroxyzine is often prescribed for short-term use due to its potential side effects, such as drowsiness, dry mouth, and constipation. It is not meant to be a long-term daily solution for sleep and is typically used until other treatments start to work. The manufacturer states that its effectiveness in treating insomnia for longer than four months has not been evaluated. Additionally, taking hydroxyzine every night for sleep over a long period may decrease its effectiveness.
Although hydroxyzine is not considered addictive, there is a risk of psychological dependence, especially with long-term use. Some individuals may become psychologically addicted to hydroxyzine due to its calming and euphoric effects, leading to misuse and dependence. However, the recovery rate for hydroxyzine addiction is higher than for other drugs.
Hydroxyzine interacts with various medications and substances, potentially affecting its effectiveness or increasing the risk of side effects. It can enhance the sedative effects of central nervous system depressants like alcohol, benzodiazepines, and opioids. Combining hydroxyzine with anticholinergic medications can increase the risk of side effects like dry mouth, blurred vision, and constipation. It is important to consult a healthcare provider and pharmacist about potential interactions with other medications, over-the-counter drugs, or supplements.
While hydroxyzine can be an effective short-term solution for insomnia, it is important to be cautious about its potential side effects and interactions with other substances. It should be used under the supervision of a healthcare provider who can monitor for adverse effects and ensure the benefits outweigh the risks.
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Frequently asked questions
Hydroxyzine is an antihistamine with sedative effects that can be used as a short-term sleep aid. It is not meant for long-term use as it may lose effectiveness over time and can cause side effects such as drowsiness, dry mouth, and hallucinations. It is generally recommended that only one antihistamine is taken concurrently. Therefore, it is not advisable to take hydroxyzine with other sleep aids without consulting a doctor.
Taking hydroxyzine with other sleep aids, such as melatonin or Unisom SleepTabs, can increase the risk of side effects such as drowsiness, dry mouth, blurred vision, and confusion. It is especially important for older adults to consult a doctor before taking hydroxyzine with other sleep aids due to the risk of anticholinergic side effects.
There are various alternatives to hydroxyzine for sleep, including prescription medications such as mirtazapine and amitriptyline, and over-the-counter options like Aleve PM, Nyquil, Tylenol PM, Unisom, and Benadryl. It is important to consult a healthcare provider to determine the most suitable option for your specific needs.


















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