Is sominex the same as Benadryl
Olivia Owen
Published Feb 25, 2026
Diphenhydramine and promethazine are both marketed by names other than Sominex for several indications including and besides their use as sleep aids. For example, diphenhydramine is sold under the brand name Benadryl as an anti-histamine for use against allergies.
Is Benadryl and sleeping pills the same thing?
Most sleep aids are antihistamines, which are also commonly used in allergy medications. “People taking sleep aids are essentially taking Benadryl [diphenhydramine]. They don’t realize that’s what most sleep aids are,” said Dr. Bertisch.
Is it OK to take Benadryl as a sleep aid?
Although antihistamines like Benadryl will make you feel sleepy, they’re not a great choice when it comes to treating insomnia. Not only can they affect your sleep quality, but they’ll also become less effective very quickly, meaning you may not notice any benefits if you use them often.
Is Sominex an antihistamine?
Sominex contains Promethazine, which is an antihistamine which has a sedative effect that causes drowsiness and aids sleep. Histamines are the chemicals that are produced by the body in response to something you are allergic to.Who should not take Sominex?
Taking too much Sominex can lead to serious heart problems, seizures, coma, or death. Do not use this medicine to make a child sleepy. Sominex sleep aid medicine is not for use in children younger than 12 years old.
What is in benadryl that makes you sleepy?
Diphenhydramine blocks the effects of histamine in your brain and this reduces symptoms. It enters the brain in large quantities and this can make you feel drowsy. Diphenhydramine also blocks the effects of another chemical called acetylcholine.
Is it bad to take Benadryl every night?
In general, experts don’t recommend using these drugs for anything more than an occasional sleepless night. “The antihistamine diphenhydramine [found in Benadryl] is only approved for management of short-term or temporary sleep difficulties, particularly in those people who have problems falling asleep,” Dr.
Is Sominex habit forming?
Over-the-counter sleep aids that contain this drug (as well as doxylamine) might help you get to sleep. And what’s more, their packaging suggests that they are “non-habit-forming.”How effective is Sominex?
User Reviews for Sominex to treat Insomnia. Sominex has an average rating of 6.4 out of 10 from a total of 52 ratings for the treatment of Insomnia. 52% of reviewers reported a positive effect, while 27% reported a negative effect.
Does Sominex have side effects?Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Article first time published onWhich antihistamine is best for sleep?
Diphenhydramine is a sedating antihistamine. Side effects might include daytime drowsiness, dry mouth, blurred vision, constipation and urinary retention. Doxylamine succinate (Unisom SleepTabs). Doxylamine is also a sedating antihistamine.
Is it bad to take Benadryl every day?
Benadryl is not intended to be used as a daily long-term medication for sleep or other issues. See your health care provider if your symptoms persist.
How much Benadryl do I take for sleep?
What is the maximum dose of diphenhydramine for sleep? When used as a sleep aid the maximum recommended dosage is 76mg for diphenhydramine citrate or 50mg for diphenhydramine hydrochloride.
Is Sominex over the counter?
Sominex is the trademarked name for several over the counter sleep aids. Two different formulations of Sominex are available, depending upon the market. Both formulations contain a significant dose of a first generation antihistamine with hypnotic properties.
Is diphenhydramine a antihistamine?
Diphenhydramine is an antihistamine used to temporarily relieve symptoms due to hay fever, upper respiratory allergies, or the common cold, such as runny nose and sneezing. It works by blocking histamine in the body, which is a substance that causes allergic symptoms.
Is Benadryl bad for your liver or kidneys?
Despite widespread use over many decades, diphenhydramine has not been linked to liver test abnormalities or to clinically apparent liver injury. The reason for its safety may relate its short half-life and limited duration of use.
Is Benadryl good for anxiety?
One of the biggest advantages of using an OTC medication such as Benadryl to treat anxiety is that it is fast-acting and convenient. These qualities can be helpful if you need to reduce symptoms of mild anxiety quickly. Because Benadryl causes many people to feel drowsy, it can also help with sleep.
What is best sleeping pill for elderly?
In the elderly, nonbenzodiazepines such as zolpidem, eszopiclone, zaleplon, and ramelteon are safer and better tolerated than tricyclic antidepressants, antihistamines, and benzodiazepines. Pharmacotherapy should be recommended only after sleep hygiene is addressed, however.
Why does Benadryl knock me out?
They can cross the blood-brain barrier and inhibit one of the other functions of histamines — that is, the pivotal role they play in regulating sleep and wakefulness. This disruption of the action of histamines in the brain results in drowsiness.
What is better for sleep melatonin or diphenhydramine?
As far as we know, melatonin in general is a perfectly good substitute for diphenhydramine. It’s a natural supplement. It’s the chemical in the brain that actually induces sleep in a natural way. If you’re having trouble sleeping, talk to your doctor about enrolling in a sleep study.
What should you not take with Benadryl?
- antidepressants.
- stomach ulcer medicine.
- cough and cold medicine.
- other antihistamines.
- diazepam (Valium)
- sedatives.
Are Sominex and Unisom the same?
Antihistamines use either diphenhydramine hydrochloride (brands include: Sominex, Compoz, Tylenol PM, and Unisom SleepGels) or doxylamine succinate (Unisom tablets, Equate). The two ingredients are pretty interchangeable.
Is it OK to take sleeping pills every night?
Is It Safe To Take Sleeping Pills Every Night? Most experts agree that sleep aids should not be used long-term. Sleeping pills are best used for short-term stressors, jet lag, or similar sleep problems.
Is it OK to take 2 Sominex?
Swallow Sominex Night with water. Adults (including the elderly) and adolescents 16 years and over: Take 2 tablets about 20 minutes before bedtime. Do not take more than 2 tablets per night.
How can I sleep without sleeping pills?
- Stick to a regular sleep schedule (same bedtime and wake-up time), seven days a week.
- Exercise at least 30 minutes per day most days of the week. …
- Get plenty of natural light exposure during the day. …
- Establish a regular, relaxing bedtime routine.
- Take a warm bath or shower before bed.
Can you take Sominex with antidepressants?
Using diphenhydrAMINE together with sertraline may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination.
Why does Benadryl keep me up at night?
Answer: Most people find that diphenhydramine (DPH), the ingredient in Benadryl and PM pain relievers, makes them drowsy. But some individuals, like you, react paradoxically to DPH and are stimulated by this normally sedating antihistamine. For decades, the mechanism for this unexpected response was unknown.
Is ZzzQuil the same thing as Benadryl?
ZzzQuil is an over-the-counter nighttime sleep aid. The active ingredient in ZzzQuil is diphenhydramine, which is also the active ingredient in the allergy medication Benadryl. Diphenhydramine is an antihistamine that people commonly use to treat allergic reactions, itchiness, and hives.
Is it safe to take 25mg of Benadryl daily?
Experts say, it’s usually okay. “Taken in the recommended doses, antihistamines can be taken daily, but patients should make sure they do not interact with their other medications,” says Sandra Lin, MD, professor and vice director of Otolaryngology-Head & Neck Surgery at John Hopkins School of Medicine.
Can I give Benadryl and melatonin together?
MANAGEMENT: During concomitant use of these drugs, patients should be monitored for potentially excessive or prolonged CNS and respiratory depression. Cautious dosage titration may be required, particularly at treatment initiation.
Can I take 2 Benadryl nighttime?
Take 2 caplets every 6 hours while symptoms persist. Do not take more than 8 caplets in 24 hours. 1 caplet at bedtime if needed or as directed by a doctor.