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Phenergan and Anxiety: What Users Say

Anxiety: mentioned by 7 users (4.6%)

Based on user experiences from 151 Phenergan reviews, the following table shows the most commonly mentioned side effects.

All user comments are moderated by Drugs.com. Each review is verified for relevance and screened for inappropriate content. Side effects are user-reported and not clinically verified.

drowsiness 19.2%
nausea 13.2%
sleepy 6.6%
anxiety 4.6%
hallucinations 4.6%
tiredness 4.6%
vomiting 4.6%
dizziness 4.0%
allergic reaction 2.6%
restless leg syndrome 2.6%

Reviews for Phenergan

Commonly mentioned side effects
  • Mag...
  • Taken for 1 to 6 months
  • May 1, 2019

For Light Sedation "My sleep is terrible. Phenergan helped, but it made me anxious and shivery if I didn't take it and jump into bed straight away to settle. I'd sleep well but wake the next day feeling like I'd been hit by a truck and low in mood. It does help with sleep, but it's not for me. Back to insomnia for me."

5 / 10
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25 Report
  • Ano...
  • Taken for less than 1 month
  • September 5, 2022

For Light Sedation "Phenergen is the only medication I can use to help me sleep that works. I can't use it every night, as it stops working within a few days of continued use, so I can only use it every now and then when my insomnia is really bad. The major downside is it makes me very depressive and anxious for 2 days after I've taken it. I cry a lot and lose all my self-esteem. It's a really rough time. If my insomnia wasn't so severe, I probably wouldn't touch the stuff. On another note, it's amazing for allergies and hay fever. Again, I just wish it didn't affect my mood."

6 / 10
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4 Report
  • Not...
  • Taken for less than 1 month
  • June 6, 2022

For Sedation "I only take Phenergan for sleep as a last resort, and only the low dose. Phenergan does help me sleep, but it gives me intense nightmares and leaves me feeling really stressed and anxious. It also makes me drowsy the next day, so I basically can't function. Even for sleep, though, it only works for a few days and then wears off. So, only good for the short term in my case. I wouldn't dare try the stronger stuff, I think it would be too much. As for allergies, it works well and instantly. So there's that at least. Still get the side effects, though."

6 / 10
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2 Report

Frequently asked questions

  • Not...
  • Taken for less than 1 month
  • June 6, 2022

For Sedation "I only take Phenergan for sleep as a last resort, and only the low dose. Phenergan does help me sleep, but it gives me intense nightmares and leaves me feeling really stressed and anxious. It also makes me drowsy the next day, so I basically can't function. Even for sleep, though, it only works for a few days and then wears off. So, only good for the short term in my case. I wouldn't dare try the stronger stuff, I think it would be too much. As for allergies, it works well and instantly. So there's that at least. Still get the side effects, though."

6 / 10
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  • Wal...
  • Taken for less than 1 month
  • June 12, 2023

"I have suffered bouts of severe stress, anxiety, and being unable to sleep on and off for years, sometimes a year being okay then ill again. Recently, I started taking Phenergan to help me sleep (10 mg tablets). I started off with one tablet in the daytime to see how my body reacted to it. Within 20 minutes, my anxiety reduced and my nausea went completely. In an hour, I was very tired but stayed awake. At night, I then took two (10 mg) tablets, I slept great and woke up without a headache. I still had anxiety and nausea, so I took one tablet in the morning, it worked within 10 minutes (for nausea and anxiety). Then at night, I took only 1 tablet instead of 2, I still slept great with no side effects and it took 1 hour 30 minutes to get me to sleep. I totally recommend them, BUT read the leaflet, it does say to start off low and then increase if need be. You must also be careful if you are taking other drugs, even herbal pills! And I wouldn't drive if you are taking them during the day for hay fever, etc."

10 / 10
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  • Cel...
  • Taken for less than 1 month
  • August 17, 2021

For Allergic Rhinitis "I take this when my hay fever is really bad. Works amazingly well for relieving hay fever symptoms and also as a mild sleep aid. I suffer from anxiety and panic attacks and unfortunately, this drug makes my anxiety 100% worse the next day, like I'm going to have a psychotic break or something. Disappointing as it works so well for sleep and hay fever."

5 / 10
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  • Lil...
  • Taken for less than 1 month
  • March 21, 2021

For Sedation "I take Phenergan, but they are making me feel nervous."

6 / 10
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5 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.